Fernco 1006 Concrete Adapter Coupling – Concrete to Cast Iron & Plastic
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✓ Adapts concrete pipe to cast iron, plastic or steel — same or different sizes
✓ Positive seal against infiltration and exfiltration on sewer & drain lines
✓ 300-series stainless steel clamps — corrosion resistant, install with a nut driver
✓ Conforms to ASTM C1173, ASTM D5926 & CSA B602 — passes inspection
High Demand Item – Frequently Reordered by Contractors
The Fernco 1006 is the concrete-adapter version of Fernco’s standard flexible coupling — sized to transition concrete sewer pipe to cast iron, plastic, or steel. The stepped sleeve takes the larger concrete outside diameter on one end and the smaller CI/plastic OD on the other for a watertight, no-hub joint with no primers or glue.
The sleeve is molded from elastomeric PVC that resists chemicals, UV, and normal sewer gases, locked down with 300-series stainless steel clamps. Sizes are listed concrete side × cast iron/plastic side. Stocked 4″ through 24″ in straight and reducing configurations.
Applications
- Connecting concrete sewer pipe to cast iron, plastic or steel
- Repairs and tie-ins on concrete sewer mains and laterals
- Underground sewer and drain transitions
- Reducing between a concrete size and a different CI/plastic size
- Fast no-hub connections without primers, glue or solvent cement
Key Features
- Stepped elastomeric PVC sleeve sized for concrete-to-CI/plastic transitions
- Two 300-series stainless steel clamps, corrosion resistant
- Leak-proof, root-proof, resistant to chemicals and sewer gases
- Connects same or different pipe sizes and materials
- Made in the USA — sizes 15″ and below are AIS and BABA compliant
Specifications
| Sleeve Material | Elastomeric PVC |
| Clamps | 300-series stainless steel |
| Connection | Concrete (Side A) to cast iron / plastic / steel (Side B) |
| Standards | ASTM C1173, ASTM D5926, CSA B602, UPC |
| Installation Torque | 60 in-lbs |
| Operating Temperature | -30°F to 140°F (non-consistent) |
| Origin | Made in USA (15″ and below AIS/BABA compliant) |
Sizes & Connections (Concrete × CI/Plastic)
| Part No. | Connects | Price |
|---|---|---|
| 1006-44 | 4" Concrete × 4" | $9.78 |
| 1006-46 | 4" Concrete × 6" | $63.58 |
| 1006-64 | 6" Concrete × 4" | $22.72 |
| 1006-66 | 6" Concrete × 6" | $21.41 |
| 1006-86 | 8" Concrete × 6" | $39.51 |
| 1006-88 | 8" Concrete × 8" | $32.15 |
| 1006-10-8 | 10" Concrete × 8" | $52.47 |
| 1006-1010 | 10" Concrete × 10" | $44.69 |
| 1006-1212 | 12" Concrete × 12" | $52.15 |
| 1006-1515 | 15" Concrete × 15" | $247.43 |
| 1006-1818 | 18" Concrete × 18" | $392.62 |
| 1006-2424 | 24" Concrete × 24" | $816.38 |
For exact outside-diameter ranges by size, see the Fernco dimensional drawings linked below.
Best Used For
- Tying new cast iron or plastic into existing concrete sewer pipe
- Concrete sewer main and lateral repairs
- Transitions where concrete OD doesn’t match the new pipe
- Any sewer or drain joint needing a fast, code-compliant seal
FAQ
How are the sizes listed?
Concrete side first, cast iron/plastic side second — for example, 6″ Concrete × 4″ connects 6″ concrete pipe to 4″ CI or plastic.
What does it connect?
Concrete pipe to cast iron, plastic, or steel. For a buried joint under heavy load or shear, step up to the 1006RC Strong Back shielded version.
Can it go underground?
Yes — rated for below-ground sewer and drain use, conforming to ASTM C1173, ASTM D5926 and CSA B602.
Why Contractors Choose This
- Sized right for concrete OD — no shimming or guesswork
- One fitting transitions concrete to almost any modern pipe
- No primers, glue or cure time
- Code-compliant: ASTM C1173, D5926, CSA B602
- Made in the USA
✓ Conforms to ASTM C1173, ASTM D5926 & CSA B602
✓ 300-series stainless steel clamps
✓ UPC listed
✓ Made in the USA (15″ and below AIS/BABA compliant)
Documents
Fernco Standard Coupling Specs & Dimensional Drawings
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