Mar 6, 2005 · Within the last 2-3 weeks soap suds have begun backing up out of the washing machine drain in the wall. You can run just water and there will be no drain problem at all. We have tried …

Aug 3, 2018 · The washer needs a standpipe with trap and the trap needs venting. UPC 804.1 All plumbing fixtures or other receptors receiving the discharge of indirect waste pipes shall be approved …

Jul 17, 2018 · This is a really clean build of this washing machine box, stand pipe, and P-trap. If only I was so lucky to have this much space. Anyway, I have a couple questions about the P-trap and …

Jan 18, 2025 · I have a speed queen top load washing machine, 8 yrs old. It’s worked great until 3 weeks ago. Suds backing out of stand pipe drain during final spin cycle in normal/eco and heavy/ …

Sep 10, 2012 · As long as the top of the stand pipe is above the elevation of the water in the machine during the wash cycle, then that's all that's needed. That's cuz if the drain hose for the washer were …

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Dec 22, 2010 · It definitely needs to extend above the water level of the machine or it will gravity drain the machine. The discharge on most machines is pumped without a valve. A trap set 6" above the …

Apr 29, 2020 · Right now, my washing machine in the basement drains into one of those very old, super-heavy concrete utility sinks. The sink is starting to crack and leaking more often, it often clogs with …

Mar 2, 2020 · Hi All, I understand UPC 804.1 requirements for a washer standpipe being no greater than 30", and the p-trap being between 6-18" off the floor; however, I am seeking clarification on what …

May 16, 2015 · A washing machine is a cross connection between potable water and DWV. The standpipe must have a minimum of a 1" airgap between it and the flood level of the fixture.