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Black PVC flexible coupling with two 15 inch slip-on ends, 10 inch overall length

Fernco Inc.

Fernco Inc. 1056-1515 FlexStraight PVC 15in Slip-On coupling

SKU CH-934K-T8TX9

Connects 15 in PVC pipes with a 10 in flexible straight slip-on coupling

  • Handles 15 in PVC pipe connections
  • Slip-on design speeds installation
  • Flexible body absorbs ground movement
  • 10 in overall length fits tight spaces
  • Durable PVC construction resists corrosion

FlexStraight PVC 15in Slip-On coupling

The Fernco 1056-1515 FlexStraight coupling connects two 15-inch nominal PVC pipes using a slip-on design. It provides a flexible, watertight seal for drainage, sewer, and vent systems in residential and commercial plumbing projects.

Thermals noise and power draw

This coupling contains no moving parts, electrical components, or active cooling, so it generates no heat, noise, or power consumption during normal operation. Performance depends solely on correct installation and the condition of the adjoining pipe.

Build fit and clearance

The fitting measures 10 inches in overall length and accepts pipe outside diameters of 15 7/16 inches and 16 1/2 inches on each end. It requires no special tools beyond standard band clamps and frees the installer from precise pipe alignment thanks to its flexible elastomeric construction.

Highlights

  • Handles 15 in PVC pipe connections
  • Slip-on design speeds installation
  • Flexible body absorbs ground movement
  • 10 in overall length fits tight spaces
  • Durable PVC construction resists corrosion

Specifications

BrandZORO SELECT

Questions about this item

How do I install the 1056-1515 FlexStraight coupling on 15 in PVC pipe, and what step causes leaks?

Slide each end over the pipe until it reaches the centre stop, then tighten the two stainless-steel clamps evenly with a torque wrench to the specified inch-pounds; skipping the torque step leaves a loose seal that weeps under pressure.

What maintenance will the 1056-1515 coupling need after it is buried?

The elastomer sleeve resists soil chemicals, but inspect the clamp bands annually for corrosion and re-torque them if ground movement has loosened the joint; replace the sleeve if cracks appear on the outer surface.

What is the first limit the 1056-1515 coupling hits during sustained pressure?

The 10 in overall length fixes the maximum deflection angle, so prolonged pressure combined with pipe settlement will reach that angular limit before the sleeve or clamps yield.

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