Do you have to have a p-trap on a washing machine drain? - Quora
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Plumbing a Washing Machine - Fine Homebuilding
installation - installing a P-trap for the washing machine with this layout, will it convert to S-trap or causing problem? - Home Improvement Stack Exchange
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installation - installing a P-trap for the washing machine with this layout, will it convert to S-trap or causing problem? - Home Improvement Stack Exchange
Keeney 1-1/2-in Plastic Washing Machine Trap in the Under Sink Plumbing department at Lowes.com
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Do you have to have a p-trap on a washing machine drain? - Quora
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washing machine P trap and drain | DIY Home Improvement Forum
12 Pack of Washing Machine Lint Traps. Comes with 12 Ties. Attach to Your Washer Sink Hose and Allow The Metal Mesh Trap to Filter The Laundry Water. Stainless Steel and Rust
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is there a drain trap on a laundry room washer drain - Google Search | Washing machine installation, Washing machine drain hose, Plumbing installation