{"title":"Apollo 4A Series Backflow Preventers","description":"\u003cp\u003eApollo 4A Series reduced pressure (RP), double check (DC), and pressure vacuum breaker (PVB) backflow preventers. Multiple sizes, test cock configurations, and ball valve options.\u003c\/p\u003e","products":[{"product_id":"apollo-4a-series-reduced-pressure-backflow-preventer-rp","title":"Apollo 4A Series Reduced Pressure Backflow Preventer (RP)","description":"\u003cdiv style=\"border-left:4px solid #1a1a1a;padding:10px 16px;margin-bottom:16px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eIn Stock – Fast Shipping from Multiple U.S. Warehouses\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eApollo 4A Series – Reduced Pressure Backflow Preventer\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eMultiple Sizes \u0026amp; Configurations – Select from Dropdown\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eNSF\/ANSI 61 Certified\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cp style=\"color:#c0392b;font-size:0.92rem;font-weight:700\"\u003eHigh Demand Item – Frequently Reordered by Contractors\u003c\/p\u003e\n\u003cp\u003eApollo 4A Series reduced pressure backflow preventer in Bronze. NSF\/ANSI 61 certified. Multiple sizes and configurations available — select from the dropdown above.\u003c\/p\u003e\n\u003cp\u003eDesigned for commercial, industrial, and mechanical piping systems. Quarter-turn isolation valves included where applicable for easy testing and maintenance.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eApplications\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003ePotable water and plumbing systems\u003c\/li\u003e\n\u003cli\u003eCommercial and industrial backflow protection\u003c\/li\u003e\n\u003cli\u003eIrrigation and fire protection systems\u003c\/li\u003e\n\u003cli\u003eMechanical and HVAC piping systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eSeries: 4A Series\u003c\/li\u003e\n\u003cli\u003eType: Reduced Pressure Backflow Preventer\u003c\/li\u003e\n\u003cli\u003eBody: Bronze\u003c\/li\u003e\n\u003cli\u003eCertifications: NSF\/ANSI 61\u003c\/li\u003e\n\u003cli\u003eMultiple sizes and end configurations available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:1rem\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f5f5f5\"\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eAttribute\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003e4A Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eReduced Pressure Backflow Preventer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eNSF\/ANSI 61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eWhat sizes are available?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eSelect your size from the dropdown above. Contact us at sales@pvfpro.com for sizes or configurations not listed.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eIs this NSF\/ANSI certified?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes. Apollo 4A Series valves are NSF\/ANSI 61 certified for use in potable water systems.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eCan I get bulk pricing?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes — contact us at sales@pvfpro.com for contractor pricing on large quantities or project orders.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eWhy Contractors Choose This Product\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eNSF\/ANSI 61 certified — approved for potable water service\u003c\/li\u003e\n\u003cli\u003eBronze body — durable, corrosion-resistant construction\u003c\/li\u003e\n\u003cli\u003eWide size range — 1\/4\" through 12\" available\u003c\/li\u003e\n\u003cli\u003eApollo — trusted brand in commercial and industrial backflow protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"border-left:4px solid #e87722;padding:10px 16px;margin-top:20px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e In Stock – Ready to Ship\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Bulk Pricing Available\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Fast Shipping from Multiple U.S. Warehouses\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Built for Contractors, Not DIY\n\u003c\/div\u003e\n\u003cp style=\"margin-top:16px\"\u003eBuying in volume? \u003ca href=\"mailto:sales@pvfpro.com\"\u003eContact us at sales@pvfpro.com\u003c\/a\u003e\u003c\/p\u003e","brand":"Apollo","offers":[{"title":"1\" \/ FNPT \/ Std \/ TC","offer_id":51895686136125,"sku":"4ALF205A2F","price":901.06,"currency_code":"USD","in_stock":true},{"title":"1-1\/2\" \/ FNPT \/ Std","offer_id":51895686168893,"sku":"4ALF207A2","price":1775.92,"currency_code":"USD","in_stock":true},{"title":"1-1\/4\" \/ FNPT \/ Std","offer_id":51895686201661,"sku":"4ALF206A2","price":1701.15,"currency_code":"USD","in_stock":true},{"title":"1\/2\" \/ FNPT \/ Std \/ TC","offer_id":51895686234429,"sku":"4ALF203A2F","price":841.22,"currency_code":"USD","in_stock":true},{"title":"10\" \/ Flanged \/ OS\u0026Y","offer_id":51895686267197,"sku":"4ALF20G03","price":21279.34,"currency_code":"USD","in_stock":true},{"title":"12\" \/ Flanged \/ OS\u0026Y","offer_id":51895686299965,"sku":"4ALF20H03","price":31575.8,"currency_code":"USD","in_stock":true},{"title":"2\" \/ FNPT \/ Std","offer_id":51895686332733,"sku":"4ALF208A2","price":2037.65,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\" \/ Flanged \/ NRS \/ SS Trim","offer_id":51895686365501,"sku":"4ALF20902","price":3844.02,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\" \/ Flanged \/ OS\u0026Y \/ SS Trim","offer_id":51895686398269,"sku":"4ALF20903","price":3844.02,"currency_code":"USD","in_stock":true},{"title":"3\" \/ Flanged \/ NRS \/ SS Trim","offer_id":51895686431037,"sku":"4ALF20002","price":4049.94,"currency_code":"USD","in_stock":true},{"title":"3\" \/ Flanged \/ OS\u0026Y \/ SS Trim","offer_id":51895686463805,"sku":"4ALF20003","price":4049.94,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ FNPT \/ Std \/ TC","offer_id":51895686496573,"sku":"4ALF204A2F","price":878.62,"currency_code":"USD","in_stock":true},{"title":"4\" \/ Flanged \/ NRS \/ SS Trim","offer_id":51895686529341,"sku":"4ALF20A02","price":4942.29,"currency_code":"USD","in_stock":true},{"title":"4\" \/ Flanged \/ OS\u0026Y \/ SS Trim","offer_id":51895686562109,"sku":"4ALF20A03","price":5010.94,"currency_code":"USD","in_stock":true},{"title":"6\" \/ Flanged \/ NRS \/ SS Trim","offer_id":51895686594877,"sku":"4ALF20C02","price":7104.57,"currency_code":"USD","in_stock":true},{"title":"6\" \/ Flanged \/ OS\u0026Y \/ SS Trim","offer_id":51895686627645,"sku":"4ALF20C03","price":7379.12,"currency_code":"USD","in_stock":true},{"title":"8\" \/ Flanged \/ NRS \/ SS Trim","offer_id":51895686660413,"sku":"4ALF20E02","price":13042.18,"currency_code":"USD","in_stock":true},{"title":"8\" \/ Flanged \/ OS\u0026Y \/ SS Trim","offer_id":51895686693181,"sku":"4ALF20E03","price":13385.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/2471\/4301\/files\/4A200RP_p.png?v=1782779987"},{"product_id":"apollo-4a-series-double-check-valve-backflow-preventer-dc","title":"Apollo 4A Series Double Check Valve Backflow Preventer (DC)","description":"\u003cdiv style=\"border-left:4px solid #1a1a1a;padding:10px 16px;margin-bottom:16px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eIn Stock – Fast Shipping from Multiple U.S. Warehouses\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eApollo 4A Series – Double Check Valve Backflow Preventer\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eMultiple Sizes \u0026amp; Configurations – Select from Dropdown\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eNSF\/ANSI 61 Certified\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cp style=\"color:#c0392b;font-size:0.92rem;font-weight:700\"\u003eHigh Demand Item – Frequently Reordered by Contractors\u003c\/p\u003e\n\u003cp\u003eApollo 4A Series double check valve backflow preventer in Bronze. NSF\/ANSI 61 certified. Multiple sizes and configurations available — select from the dropdown above.\u003c\/p\u003e\n\u003cp\u003eDesigned for commercial, industrial, and mechanical piping systems. Quarter-turn isolation valves included where applicable for easy testing and maintenance.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eApplications\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003ePotable water and plumbing systems\u003c\/li\u003e\n\u003cli\u003eCommercial and industrial backflow protection\u003c\/li\u003e\n\u003cli\u003eIrrigation and fire protection systems\u003c\/li\u003e\n\u003cli\u003eMechanical and HVAC piping systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eSeries: 4A Series\u003c\/li\u003e\n\u003cli\u003eType: Double Check Valve Backflow Preventer\u003c\/li\u003e\n\u003cli\u003eBody: Bronze\u003c\/li\u003e\n\u003cli\u003eCertifications: NSF\/ANSI 61\u003c\/li\u003e\n\u003cli\u003eMultiple sizes and end configurations available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:1rem\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f5f5f5\"\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eAttribute\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003e4A Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eDouble Check Valve Backflow Preventer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eNSF\/ANSI 61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eWhat sizes are available?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eSelect your size from the dropdown above. Contact us at sales@pvfpro.com for sizes or configurations not listed.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eIs this NSF\/ANSI certified?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes. Apollo 4A Series valves are NSF\/ANSI 61 certified for use in potable water systems.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eCan I get bulk pricing?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes — contact us at sales@pvfpro.com for contractor pricing on large quantities or project orders.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eWhy Contractors Choose This Product\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eNSF\/ANSI 61 certified — approved for potable water service\u003c\/li\u003e\n\u003cli\u003eBronze body — durable, corrosion-resistant construction\u003c\/li\u003e\n\u003cli\u003eWide size range — 1\/4\" through 12\" available\u003c\/li\u003e\n\u003cli\u003eApollo — trusted brand in commercial and industrial backflow protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"border-left:4px solid #e87722;padding:10px 16px;margin-top:20px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e In Stock – Ready to Ship\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Bulk Pricing Available\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Fast Shipping from Multiple U.S. Warehouses\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Built for Contractors, Not DIY\n\u003c\/div\u003e\n\u003cp style=\"margin-top:16px\"\u003eBuying in volume? \u003ca href=\"mailto:sales@pvfpro.com\"\u003eContact us at sales@pvfpro.com\u003c\/a\u003e\u003c\/p\u003e","brand":"Apollo","offers":[{"title":"1\" \/ FNPT \/ Lead Free \/ Std \/ TC","offer_id":51895686725949,"sku":"4A105A2F","price":568.29,"currency_code":"USD","in_stock":true},{"title":"1\" \/ FNPT \/ Std \/ TC","offer_id":51895686758717,"sku":"4ALF105A2F","price":579.51,"currency_code":"USD","in_stock":true},{"title":"1-1\/2\" \/ FNPT \/ Std","offer_id":51895686791485,"sku":"4ALF107A2","price":1212.14,"currency_code":"USD","in_stock":true},{"title":"1-1\/4\" \/ FNPT \/ Std","offer_id":51895686824253,"sku":"4ALF106A2","price":1028.18,"currency_code":"USD","in_stock":true},{"title":"1\/2\" \/ FNPT \/ Std \/ TC","offer_id":51895686857021,"sku":"4ALF103A2F","price":428.32,"currency_code":"USD","in_stock":true},{"title":"2\" \/ FNPT \/ Std","offer_id":51895686889789,"sku":"4ALF108A2","price":1532.91,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\" \/ Flanged \/ OS\u0026Y","offer_id":51895686922557,"sku":"4ALF10903","price":3260.55,"currency_code":"USD","in_stock":true},{"title":"3\" \/ Flanged \/ NRS","offer_id":51895686955325,"sku":"4ALF10002","price":3432.15,"currency_code":"USD","in_stock":true},{"title":"3\" \/ Flanged \/ OS\u0026Y","offer_id":51895686988093,"sku":"4ALF10003","price":3432.15,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ FNPT \/ Lead Free \/ Std \/ TC","offer_id":51895687020861,"sku":"4A104A2F","price":474.83,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ FNPT \/ Std \/ TC","offer_id":51895687053629,"sku":"4ALF104A2F","price":486.05,"currency_code":"USD","in_stock":true},{"title":"4\" \/ Flanged \/ NRS","offer_id":51895687086397,"sku":"4ALF10A02","price":4255.88,"currency_code":"USD","in_stock":true},{"title":"4\" \/ Flanged \/ OS\u0026Y","offer_id":51895687119165,"sku":"4ALF10A03","price":4255.88,"currency_code":"USD","in_stock":true},{"title":"4\" \/ Grooved","offer_id":51895687151933,"sku":"4ALF10A09","price":4461.8,"currency_code":"USD","in_stock":true},{"title":"6\" \/ Flanged \/ OS\u0026Y","offer_id":51895687184701,"sku":"4ALF10C03","price":6177.88,"currency_code":"USD","in_stock":true},{"title":"8\" \/ Flanged \/ OS\u0026Y","offer_id":51895687217469,"sku":"4ALF10E03","price":11669.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/2471\/4301\/files\/4A100_p.png?v=1782780000"},{"product_id":"apollo-4a-series-pressure-vacuum-breaker-pvb","title":"Apollo 4A Series Pressure Vacuum Breaker (PVB)","description":"\u003cdiv style=\"border-left:4px solid #1a1a1a;padding:10px 16px;margin-bottom:16px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eIn Stock – Fast Shipping from Multiple U.S. Warehouses\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eApollo 4A Series – Pressure Vacuum Breaker\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eMultiple Sizes \u0026amp; Configurations – Select from Dropdown\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eNSF\/ANSI 61 Certified\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cp style=\"color:#c0392b;font-size:0.92rem;font-weight:700\"\u003eHigh Demand Item – Frequently Reordered by Contractors\u003c\/p\u003e\n\u003cp\u003eApollo 4A Series pressure vacuum breaker in Bronze. NSF\/ANSI 61 certified. Multiple sizes and configurations available — select from the dropdown above.\u003c\/p\u003e\n\u003cp\u003eDesigned for commercial, industrial, and mechanical piping systems. Quarter-turn isolation valves included where applicable for easy testing and maintenance.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eApplications\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003ePotable water and plumbing systems\u003c\/li\u003e\n\u003cli\u003eCommercial and industrial backflow protection\u003c\/li\u003e\n\u003cli\u003eIrrigation and fire protection systems\u003c\/li\u003e\n\u003cli\u003eMechanical and HVAC piping systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eSeries: 4A Series\u003c\/li\u003e\n\u003cli\u003eType: Pressure Vacuum Breaker\u003c\/li\u003e\n\u003cli\u003eBody: Bronze\u003c\/li\u003e\n\u003cli\u003eCertifications: NSF\/ANSI 61\u003c\/li\u003e\n\u003cli\u003eMultiple sizes and end configurations available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:1rem\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f5f5f5\"\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eAttribute\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003e4A Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003ePressure Vacuum Breaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eNSF\/ANSI 61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eWhat sizes are available?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eSelect your size from the dropdown above. Contact us at sales@pvfpro.com for sizes or configurations not listed.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eIs this NSF\/ANSI certified?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes. Apollo 4A Series valves are NSF\/ANSI 61 certified for use in potable water systems.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eCan I get bulk pricing?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes — contact us at sales@pvfpro.com for contractor pricing on large quantities or project orders.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eWhy Contractors Choose This Product\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eNSF\/ANSI 61 certified — approved for potable water service\u003c\/li\u003e\n\u003cli\u003eBronze body — durable, corrosion-resistant construction\u003c\/li\u003e\n\u003cli\u003eWide size range — 1\/4\" through 12\" available\u003c\/li\u003e\n\u003cli\u003eApollo — trusted brand in commercial and industrial backflow protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"border-left:4px solid #e87722;padding:10px 16px;margin-top:20px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e In Stock – Ready to Ship\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Bulk Pricing Available\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Fast Shipping from Multiple U.S. Warehouses\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Built for Contractors, Not DIY\n\u003c\/div\u003e\n\u003cp style=\"margin-top:16px\"\u003eBuying in volume? \u003ca href=\"mailto:sales@pvfpro.com\"\u003eContact us at sales@pvfpro.com\u003c\/a\u003e\u003c\/p\u003e","brand":"Apollo","offers":[{"title":"1\" \/ FNPT \/ TC","offer_id":51895687250237,"sku":"4A505A2F","price":337.86,"currency_code":"USD","in_stock":true},{"title":"1-1\/2\" \/ FNPT \/ TC","offer_id":51895687283005,"sku":"4A507A2","price":868.68,"currency_code":"USD","in_stock":true},{"title":"2\" \/ FNPT \/ TC","offer_id":51895687315773,"sku":"4A508A2","price":1235.46,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ FNPT \/ TC","offer_id":51895687348541,"sku":"4A504A2F","price":243.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/2471\/4301\/files\/4A500_p.png?v=1782780011"},{"product_id":"apollo-4a-series-backflow-preventer","title":"Apollo 4A Series Backflow Preventer","description":"\u003cdiv style=\"border-left:4px solid #1a1a1a;padding:10px 16px;margin-bottom:16px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eIn Stock – Fast Shipping from Multiple U.S. Warehouses\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eApollo 4A Series – Backflow Preventer\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eMultiple Sizes \u0026amp; Configurations – Select from Dropdown\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eNSF\/ANSI 61 Certified\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cp style=\"color:#c0392b;font-size:0.92rem;font-weight:700\"\u003eHigh Demand Item – Frequently Reordered by Contractors\u003c\/p\u003e\n\u003cp\u003eApollo 4A Series backflow preventer in Bronze. NSF\/ANSI 61 certified. Multiple sizes and configurations available — select from the dropdown above.\u003c\/p\u003e\n\u003cp\u003eDesigned for commercial, industrial, and mechanical piping systems. Quarter-turn isolation valves included where applicable for easy testing and maintenance.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eApplications\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003ePotable water and plumbing systems\u003c\/li\u003e\n\u003cli\u003eCommercial and industrial backflow protection\u003c\/li\u003e\n\u003cli\u003eIrrigation and fire protection systems\u003c\/li\u003e\n\u003cli\u003eMechanical and HVAC piping systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eSeries: 4A Series\u003c\/li\u003e\n\u003cli\u003eType: Backflow Preventer\u003c\/li\u003e\n\u003cli\u003eBody: Bronze\u003c\/li\u003e\n\u003cli\u003eCertifications: NSF\/ANSI 61\u003c\/li\u003e\n\u003cli\u003eMultiple sizes and end configurations available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:1rem\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f5f5f5\"\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eAttribute\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003e4A Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBackflow Preventer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eNSF\/ANSI 61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eWhat sizes are available?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eSelect your size from the dropdown above. Contact us at sales@pvfpro.com for sizes or configurations not listed.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eIs this NSF\/ANSI certified?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes. Apollo 4A Series valves are NSF\/ANSI 61 certified for use in potable water systems.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eCan I get bulk pricing?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes — contact us at sales@pvfpro.com for contractor pricing on large quantities or project orders.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eWhy Contractors Choose This Product\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eNSF\/ANSI 61 certified — approved for potable water service\u003c\/li\u003e\n\u003cli\u003eBronze body — durable, corrosion-resistant construction\u003c\/li\u003e\n\u003cli\u003eWide size range — 1\/4\" through 12\" available\u003c\/li\u003e\n\u003cli\u003eApollo — trusted brand in commercial and industrial backflow protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"border-left:4px solid #e87722;padding:10px 16px;margin-top:20px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e In Stock – Ready to Ship\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Bulk Pricing Available\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Fast Shipping from Multiple U.S. Warehouses\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Built for Contractors, Not DIY\n\u003c\/div\u003e\n\u003cp style=\"margin-top:16px\"\u003eBuying in volume? \u003ca href=\"mailto:sales@pvfpro.com\"\u003eContact us at sales@pvfpro.com\u003c\/a\u003e\u003c\/p\u003e","brand":"Apollo","offers":[{"title":"94A10201 \/ FNPT","offer_id":51895687446845,"sku":"94A10201","price":11.58,"currency_code":"USD","in_stock":true},{"title":"94A10101 \/ FNPT","offer_id":51895687479613,"sku":"94A10101","price":12.34,"currency_code":"USD","in_stock":true},{"title":"94A10301 \/ 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FNPT","offer_id":51895687774525,"sku":"94A10901","price":260.57,"currency_code":"USD","in_stock":true},{"title":"94A10001 \/ FNPT","offer_id":51895687807293,"sku":"94A10001","price":346.06,"currency_code":"USD","in_stock":true},{"title":"94A10A01 \/ FNPT","offer_id":51895687840061,"sku":"94A10A01","price":545.28,"currency_code":"USD","in_stock":true},{"title":"1\" \/ FNPT \/ Lead Free","offer_id":51895687872829,"sku":"94ALF10501A","price":37.98,"currency_code":"USD","in_stock":true},{"title":"1\" \/ Lead Free","offer_id":51895687905597,"sku":"94ALF20501A","price":37.98,"currency_code":"USD","in_stock":true},{"title":"1\" \/ Standard","offer_id":51895687938365,"sku":"4ALF3S54A","price":107.75,"currency_code":"USD","in_stock":true},{"title":"1\" \/ FNPT \/ TC","offer_id":51895687971133,"sku":"4A505A2F","price":337.86,"currency_code":"USD","in_stock":true},{"title":"1\" \/ 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Free","offer_id":51895688462653,"sku":"94ALF10801A","price":136.42,"currency_code":"USD","in_stock":true},{"title":"2\" \/ Lead Free","offer_id":51895688495421,"sku":"94ALF20801A","price":142.6,"currency_code":"USD","in_stock":true},{"title":"2\" \/ FNPT \/ TC","offer_id":51895688528189,"sku":"4A508A2","price":1235.46,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\" \/ FNPT \/ Lead Free","offer_id":51895688560957,"sku":"94ALF10901A","price":295.57,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\" \/ Lead Free","offer_id":51895688593725,"sku":"94ALF20901A","price":295.57,"currency_code":"USD","in_stock":true},{"title":"3\" \/ FNPT \/ Lead Free","offer_id":51895688626493,"sku":"94ALF10001A","price":418.66,"currency_code":"USD","in_stock":true},{"title":"3\" \/ Lead Free","offer_id":51895688659261,"sku":"94ALF20001A","price":418.66,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ Standard","offer_id":51895688692029,"sku":"94A20401","price":19.55,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ FNPT \/ Lead Free","offer_id":51895688724797,"sku":"94ALF10401A","price":23.92,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ Lead Free","offer_id":51895688757565,"sku":"94ALF20401A","price":25.32,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ FNPT \/ TC","offer_id":51895688790333,"sku":"4A504A2F","price":243.77,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ TC","offer_id":51895688823101,"sku":"4A204A2F","price":635.6,"currency_code":"USD","in_stock":true},{"title":"4\" \/ FNPT \/ Lead Free","offer_id":51895688855869,"sku":"94ALF10A01A","price":757.26,"currency_code":"USD","in_stock":true},{"title":"4\" \/ Lead Free","offer_id":51895688888637,"sku":"94ALF20A01A","price":757.26,"currency_code":"USD","in_stock":true},{"title":"4\" \/ Flanged \/ OS\u0026Y","offer_id":51895688921405,"sku":"4ALF60AG3","price":4785.83,"currency_code":"USD","in_stock":true},{"title":"6\" \/ Flanged \/ OS\u0026Y","offer_id":51895688954173,"sku":"4ALF60CE3","price":7070.23,"currency_code":"USD","in_stock":true},{"title":"8\" \/ Flanged \/ OS\u0026Y","offer_id":51895688986941,"sku":"4ALF60EE3","price":13007.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/2471\/4301\/files\/4A200RP_p_057fb739-ab26-4320-8480-2e746d9949c2.png?v=1782780018"},{"product_id":"apollo-4sg-series-large-bore-grooved-backflow-preventer","title":"Apollo 4SG Series Large Bore Grooved Backflow Preventer","description":"\u003cdiv style=\"border-left:4px solid #1a1a1a;padding:10px 16px;margin-bottom:16px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eIn Stock – Fast Shipping from Multiple U.S. Warehouses\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eApollo 4SG Series – Large Bore Grooved Double Check Valve Backflow Preventer\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eMultiple Sizes \u0026amp; Configurations – Select from Dropdown\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eNSF\/ANSI 61 Certified\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cp style=\"color:#c0392b;font-size:0.92rem;font-weight:700\"\u003eHigh Demand Item – Frequently Reordered by Contractors\u003c\/p\u003e\n\u003cp\u003eApollo 4SG Series large bore grooved double check valve backflow preventer in Ductile Iron. NSF\/ANSI 61 certified. Multiple sizes and configurations available — select from the dropdown above.\u003c\/p\u003e\n\u003cp\u003eDesigned for commercial, industrial, and mechanical piping systems. Quarter-turn isolation valves included where applicable for easy testing and maintenance.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eApplications\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003ePotable water and plumbing systems\u003c\/li\u003e\n\u003cli\u003eCommercial and industrial backflow protection\u003c\/li\u003e\n\u003cli\u003eIrrigation and fire protection systems\u003c\/li\u003e\n\u003cli\u003eMechanical and HVAC piping systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eSeries: 4SG Series\u003c\/li\u003e\n\u003cli\u003eType: Large Bore Grooved Double Check Valve Backflow Preventer\u003c\/li\u003e\n\u003cli\u003eBody: Ductile Iron\u003c\/li\u003e\n\u003cli\u003eCertifications: NSF\/ANSI 61\u003c\/li\u003e\n\u003cli\u003eMultiple sizes and end configurations available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:1rem\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f5f5f5\"\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eAttribute\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003e4SG Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eLarge Bore Grooved Double Check Valve Backflow Preventer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eDuctile Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eNSF\/ANSI 61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eWhat sizes are available?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eSelect your size from the dropdown above. Contact us at sales@pvfpro.com for sizes or configurations not listed.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eIs this NSF\/ANSI certified?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes. Apollo 4SG Series valves are NSF\/ANSI 61 certified for use in potable water systems.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eCan I get bulk pricing?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes — contact us at sales@pvfpro.com for contractor pricing on large quantities or project orders.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eWhy Contractors Choose This Product\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eNSF\/ANSI 61 certified — approved for potable water service\u003c\/li\u003e\n\u003cli\u003eDuctile Iron body — durable, corrosion-resistant construction\u003c\/li\u003e\n\u003cli\u003eWide size range — 1\/4\" through 12\" available\u003c\/li\u003e\n\u003cli\u003eApollo — trusted brand in commercial and industrial backflow protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"border-left:4px solid #e87722;padding:10px 16px;margin-top:20px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e In Stock – Ready to Ship\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Bulk Pricing Available\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Fast Shipping from Multiple U.S. Warehouses\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Built for Contractors, Not DIY\n\u003c\/div\u003e\n\u003cp style=\"margin-top:16px\"\u003eBuying in volume? \u003ca href=\"mailto:sales@pvfpro.com\"\u003eContact us at sales@pvfpro.com\u003c\/a\u003e\u003c\/p\u003e","brand":"Apollo","offers":[{"title":"4SGLF10A03 \/ Standard","offer_id":51895692067133,"sku":"4SGLF10A03","price":6689.08,"currency_code":"USD","in_stock":true},{"title":"4SGLF10C02 \/ Standard","offer_id":51895692099901,"sku":"4SGLF10C02","price":9290.37,"currency_code":"USD","in_stock":true},{"title":"6\" \/ OS\u0026Y","offer_id":51895692132669,"sku":"4SG60CE3","price":13563.92,"currency_code":"USD","in_stock":true},{"title":"8\" \/ Standard","offer_id":51895692165437,"sku":"4SG10E03","price":19992.85,"currency_code":"USD","in_stock":true},{"title":"8\" \/ OS\u0026Y","offer_id":51895692198205,"sku":"4SG60EE3","price":28720.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/2471\/4301\/files\/4SGLF100_p.png?v=1782780100"},{"product_id":"apollo-4an-series-large-bore-flanged-backflow-preventer","title":"Apollo 4AN Series Large Bore Flanged Backflow Preventer","description":"\u003cdiv style=\"border-left:4px solid #1a1a1a;padding:10px 16px;margin-bottom:16px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eIn Stock – Fast Shipping from Multiple U.S. Warehouses\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eApollo 4AN Series – Large Bore Flanged Backflow Preventer\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eMultiple Sizes \u0026amp; Configurations – Select from Dropdown\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eNSF\/ANSI 61 Certified\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cp style=\"color:#c0392b;font-size:0.92rem;font-weight:700\"\u003eHigh Demand Item – Frequently Reordered by Contractors\u003c\/p\u003e\n\u003cp\u003eApollo 4AN Series large bore flanged backflow preventer in Bronze\/Ductile Iron. NSF\/ANSI 61 certified. Multiple sizes and configurations available — select from the dropdown above.\u003c\/p\u003e\n\u003cp\u003eDesigned for commercial, industrial, and mechanical piping systems. Quarter-turn isolation valves included where applicable for easy testing and maintenance.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eApplications\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003ePotable water and plumbing systems\u003c\/li\u003e\n\u003cli\u003eCommercial and industrial backflow protection\u003c\/li\u003e\n\u003cli\u003eIrrigation and fire protection systems\u003c\/li\u003e\n\u003cli\u003eMechanical and HVAC piping systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eSeries: 4AN Series\u003c\/li\u003e\n\u003cli\u003eType: Large Bore Flanged Backflow Preventer\u003c\/li\u003e\n\u003cli\u003eBody: Bronze\/Ductile Iron\u003c\/li\u003e\n\u003cli\u003eCertifications: NSF\/ANSI 61\u003c\/li\u003e\n\u003cli\u003eMultiple sizes and end configurations available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:1rem\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f5f5f5\"\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eAttribute\u003c\/th\u003e\n\u003cth style=\"padding:8px;text-align:left;font-size:0.85rem;text-transform:uppercase\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003e4AN Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eLarge Bore Flanged Backflow Preventer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eBronze\/Ductile Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border-bottom:1px solid #eee\"\u003eNSF\/ANSI 61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eWhat sizes are available?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eSelect your size from the dropdown above. Contact us at sales@pvfpro.com for sizes or configurations not listed.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eIs this NSF\/ANSI certified?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes. Apollo 4AN Series valves are NSF\/ANSI 61 certified for use in potable water systems.\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem;font-weight:700\"\u003eCan I get bulk pricing?\u003c\/p\u003e\n\u003cp style=\"font-size:1.1rem\"\u003eYes — contact us at sales@pvfpro.com for contractor pricing on large quantities or project orders.\u003c\/p\u003e\n\u003ch2 style=\"font-size:1.5rem;font-weight:900;text-transform:uppercase\"\u003eWhy Contractors Choose This Product\u003c\/h2\u003e\n\u003cul style=\"font-size:1.1rem;line-height:1.8\"\u003e\n\u003cli\u003eNSF\/ANSI 61 certified — approved for potable water service\u003c\/li\u003e\n\u003cli\u003eBronze\/Ductile Iron body — durable, corrosion-resistant construction\u003c\/li\u003e\n\u003cli\u003eWide size range — 1\/4\" through 12\" available\u003c\/li\u003e\n\u003cli\u003eApollo — trusted brand in commercial and industrial backflow protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"border-left:4px solid #e87722;padding:10px 16px;margin-top:20px\"\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e In Stock – Ready to Ship\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Bulk Pricing Available\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Fast Shipping from Multiple U.S. Warehouses\u003cbr\u003e\n\u003cspan style=\"color:#e87722;font-weight:700\"\u003e✔\u003c\/span\u003e Built for Contractors, Not DIY\n\u003c\/div\u003e\n\u003cp style=\"margin-top:16px\"\u003eBuying in volume? \u003ca href=\"mailto:sales@pvfpro.com\"\u003eContact us at sales@pvfpro.com\u003c\/a\u003e\u003c\/p\u003e","brand":"Apollo","offers":[{"title":"2-1\/2\" \/ Flanged \/ NRS","offer_id":51895692230973,"sku":"4ANLF20902","price":4393.15,"currency_code":"USD","in_stock":true},{"title":"3\" \/ Flanged \/ NRS","offer_id":51895692263741,"sku":"4ANLF20002","price":5148.23,"currency_code":"USD","in_stock":true},{"title":"3\" \/ Flanged \/ OS\u0026Y","offer_id":51895692296509,"sku":"4ANLF20003","price":5148.23,"currency_code":"USD","in_stock":true},{"title":"8\" \/ Flanged \/ OS\u0026Y","offer_id":51895692329277,"sku":"4ANLF60EE3","price":15959.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/2471\/4301\/files\/4ANLF200_p.png?v=1782780107"}],"url":"https:\/\/pvfpro.com\/collections\/apollo-4a-series-backflow-preventers.oembed","provider":"PVFPRO","version":"1.0","type":"link"}