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Black flexible coupling, cylindrical, stainless steel bands, 4 in long

Fernco Inc.

Fernco Inc. 1059-150 Trap 1-1/2 in x 1-1/2 in

SKU CH-WR43-BT9CW MPN 1059-150

Connects 1-1/2 in pipes with a flexible elastomeric PVC coupling rated to 4.3 psi and 140 degrees F

  • TypeDrain Components
  • Flexible elastomeric PVC adapts to pipe misalignment
  • 300 stainless steel bands maintain a secure seal
  • Resists chemicals, fungus and normal sewer gases
  • Withstands ultraviolet exposure for outdoor durability
  • Rated to 140 °F and 4.3 psi for reliable service

Flexible Coupling for 1-1/2 in Pipe

The Fernco 1059-150 joins two 1-1/2 inch pipes using an elastomeric PVC body secured by 300 stainless steel bands. It suits drainage and sewer connections where a watertight, flexible seal is required. The coupling measures 4 inches long with an inside diameter of 2-17/64 by 1-59/64 inches. It meets ASTM D5926 for material and performance standards.

Pressure and Temperature Limits

The fitting is rated for a maximum pressure of 4.3 psi and a maximum operating temperature of 140 degrees Fahrenheit. These limits restrict it to gravity-flow drainage, vent lines and low-pressure sewer applications rather than pressurised water supply systems. The elastomeric PVC resists chemicals, fungus growth, normal sewer gases and ultraviolet rays for durable outdoor or buried installation.

Replaces Rigid or Deteriorated Joints

This coupling replaces cracked, misaligned or incompatible rigid fittings such as glued PVC, cast iron hubs or clay pipe joints where excavation or precise alignment is impractical. The jump is worth it when a quick, tool-tightened repair restores flow without replacing long pipe runs. It is not suited for pressurised potable water lines or high-temperature discharge above the rated limit.

Highlights

  • Flexible elastomeric PVC adapts to pipe misalignment
  • 300 stainless steel bands maintain a secure seal
  • Resists chemicals, fungus and normal sewer gases
  • Withstands ultraviolet exposure for outdoor durability
  • Rated to 140 °F and 4.3 psi for reliable service

Specifications

TypeDrain Components
BrandFernco
Model1059-150

Questions about this item

Should I pick the 1059-150 for 1-1/2 in pipe or a different size?

Choose the 1059-150 when you need a flexible coupling for 1-1/2 in pipe on both ends; it fits that exact size.

What does the 4.3 psi rating mean once the coupling is installed?

The joint will hold up to 4.3 psi internal pressure, which covers typical residential drain and sewer flow without leaking.

How does the ASTM D5926 standard affect what the coupling can handle?

ASTM D5926 certifies the elastomeric PVC material for chemical, fungus, sewer-gas and UV resistance at temperatures up to 140 Degrees F.

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