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White PVC drum trap with cleanout hub, cylindrical form, smooth matte finish

Mueller Industries, Inc.

Mueller Industries, Inc. 1WKU1 PVC Drum Trap 1 1/2 in x 3 in x 6

SKU CH-K5V7-1SWDS MPN 1WKU1

A PVC drum trap with cleanout for 1-1/2 inch Schedule 40 pipe, rated to 140 degrees F

  • TypeDrain Components
  • ColorWhite
  • PVC construction resists corrosion for long service life
  • Schedule 40 rating handles standard drainage pressure demands
  • Cleanout access simplifies maintenance and blockage removal
  • Hub and socket ends enable solvent-weld connections
  • Operating range from -20 to 140 degrees Fahrenheit

PVC Drum Trap 1 1/2 in x 3 in x 6

The Mueller Industries 1WKU1 is a Schedule 40 PVC drum trap designed for gravity-flow drainage systems. It connects 1 1/2 inch and 3 inch socket hubs with a 6 inch socket section, providing a cleanout access point for maintenance. This component suits residential and commercial plumbing installations requiring a durable, corrosion-resistant trap assembly.

Thermals noise and power draw

As a passive plumbing fitting, the trap generates no noise and draws no electrical power during normal operation. The Schedule 40 PVC construction withstands operating temperatures from -20 degrees to 140 degrees Fahrenheit without degradation. It handles gravity flow at maximum operating pressure without thermal expansion concerns or mechanical vibration.

Gravity flow maximum operating pressure

The trap is rated for gravity flow at maximum operating pressure, which determines its suitability for standard drainage stacks and branch lines. It does not support pressurised supply lines or pumped discharge applications beyond gravity head. Installers must verify that system pressure remains within this gravity-flow limit to ensure proper sealing and long-term reliability.

Highlights

  • PVC construction resists corrosion for long service life
  • Schedule 40 rating handles standard drainage pressure demands
  • Cleanout access simplifies maintenance and blockage removal
  • Hub and socket ends enable solvent-weld connections
  • Operating range from -20 to 140 degrees Fahrenheit

Specifications

TypeDrain Components
ColorWhite
BrandMueller Industries
Model1WKU1

Questions about this item

How is the PVC drum trap installed and what step is commonly missed?

Solvent-weld the 1 1/2 in and 3 in hub sockets to Schedule 40 pipe using primer and cement; the step often missed is fully seating each pipe to the socket stop before the cement sets.

What maintenance will the drum trap need over time?

Remove the cleanout plug periodically to clear debris from the drum chamber; the PVC body and seal require no scheduled replacement if operating within the -20 to 140 °F range.

What limit appears first during continuous flow use?

The gravity-flow design and 140 °F maximum operating temperature are the first constraints; sustained hotter discharge or pressurised flow will exceed the Schedule 40 rating.

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