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Grey PVC flexible coupling with ribbed cylindrical body and two slip-on ends

Fernco Inc.

Fernco Inc. 1070-88 FlexStraight PVC 8in Slip-On Coupling

SKU CH-WB77-PW2AX

Flexible PVC coupling connects 8-inch nominal pipes with a 5 45/64 inch overall length

  • Flexible PVC coupling fits 8 in nominal pipe
  • Slip-on design speeds installation without special tools
  • 5 45/64 in overall length suits tight spaces
  • Female-to-female connection joins two 8 in PVC pipes
  • New condition ensures reliable, leak-free performance

8-inch PVC Slip-On Coupling

The Fernco 1070-88 FlexStraight coupling joins two 8-inch nominal PVC pipes using a slip-on design. It is built for drainage, waste and vent systems where a flexible, watertight joint is required. The coupling fits standard 8-inch PVC dimensions and is supplied new.

Stainless-Steel Clamps Included

The coupling comes with two corrosion-resistant stainless-steel clamps that secure the flexible sleeve to each pipe end. Tightening the clamps creates a seal that accommodates slight misalignment and ground movement without the need for solvent cement or special tools.

Verify Pipe OD Before Ordering

Confirm that both pipes measure the standard 8-inch PVC outside diameter so the 8 3/8-inch and 9 1/16-inch clamp ranges can engage fully. Ensure the 5 45/64-inch overall length fits the available space between fixed fittings. This coupling is not for pressure-rated water supply lines.

Highlights

  • Flexible PVC coupling fits 8 in nominal pipe
  • Slip-on design speeds installation without special tools
  • 5 45/64 in overall length suits tight spaces
  • Female-to-female connection joins two 8 in PVC pipes
  • New condition ensures reliable, leak-free performance

Specifications

BrandZORO SELECT

Questions about this item

Will the PVC coupling need periodic tightening or seal replacement over time?

The flexible PVC construction forms a permanent slip-on seal without mechanical clamps, so no scheduled tightening or gasket replacement is required.

What is the first limitation that appears during continuous pressurised flow?

The 5 45/64 in overall length sets the maximum pipe insertion depth, which becomes the limiting factor when aligning long runs under sustained pressure.

Does the coupling transmit vibration or heat from the pipe into the surrounding structure?

The flexible PVC body absorbs vibration and remains at ambient temperature because it carries no electrical load and has no moving parts.

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