Hammerlane
Member
In the diagram below, will either sketch 2 or 3 remedy a washing machine standpipe that has an S-trap(sketch 1)
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Washing Machine Standpipe...Remedy An S-Trap
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hj
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aan "S" trap is an "S" trap no matter how far apart the legs, or even the size of the legs. # 3 is the only proper design that you show.
SteveBath
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Absolutely #3 is the proper design ... you would be able to quickly tell if you could connect a washer and drain it into each one of these 3 designs. It would be very obvious very quickly
hj
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IF all he wants to do is drain the washing machine, ALL of them would work. The key is whether he wants to do it properly or not, and some people cannot be bothered with "proper".
SteveBath
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You are right about the "proper" LOL ... I used to go out to clients years ago who lived in older houses that would buy new washing machines - their existing drain lines could not handle the increased drain rate of the new machine - even though their drain lines would be perfectly clear ... either the drain piping was too small or had too many bends ...
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