Sunday, September 8, 2013

Washing machine overflowing-does the height of the AAV matter that much?

I have a 2 inch PVC standpipe that goes to a p-trap 18 inches below. From the p-trap it goes into a tee where it drains to the bottom and vents to the top through a AAV(1 1/2″). The AAV is probably 3 to 4 inches above the flood point of the washer water box. Is it possible that...
Washing machine overflowing-does the height of the AAV matter that much?

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