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Fernco 1056-44 4 in. x 4 in. Flexible PVC Clamp Coupling
Manufacturer Resources
Product Specs
- Department:
- Plumbing
- Product Group:
- Plumbing
- Product Subgroup:
- Pipe Fittings
- Product Type:
- Flexible Coupling
Fernco 1056-44 – Frequently Asked Questions
1) What is a flexible clamp coupling used for instead of a solid PVC coupling?
A flexible coupling like the Fernco 1056-44 is an elastomeric sleeve drawn down over both pipe ends with clamps, so it makes the joint without solvent cement and without rotating the pipe. That matters on repairs in a trench or in a wall where neither pipe end can be turned or pulled, and it absorbs a small amount of misalignment and ground movement. A solid PVC hub coupling has to be cemented and wants both ends dry, clean and free to move, which is why it belongs in new work rather than a cut-in repair.
2) What part number do I order for a Fernco 4 inch to 4 inch flexible coupling?
Order Fernco 1056-44. That is the manufacturer part number for the 4 in. x 4 in. flexible PVC clamp coupling, and it is the only configuration under that number, so there is no size or end option to specify.
3) Can a Fernco 1056-44 flexible coupling be buried or used underground on a 4 inch drain line?
The 1056-44 is a clamp-style flexible coupling for 4 inch drain, waste and vent pipe, the same joint style used on buried sewer and drain repairs, where the rubber sleeve tolerates minor settling that a rigid cemented joint would not. Local code often dictates whether a buried joint needs a shielded coupling with a full stainless sleeve rather than a clamp coupling, so check what your inspector requires for the depth and the pipe you are working on.
How fast can I get the Fernco 1056-44 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Fernco 1056-44 come with a warranty?
Absolutely. The Fernco 1056-44 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Fernco 1056-44?
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