Quote:
Originally Posted by buldogge
Generally speaking the drain (box) for the washing machine needs to be 30" above floor height...
Now, if you've raised the machine on a plinth of say 12", the drain box needs to either have already been at 42" H, or will need to be raised, accordingly.
If not, you risk siphoning occurring as the machine cycles.
-Mark in St. Louis
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This sounds something like my irrigation system. When I had it rebuilt a few years ago, we had to move all of the valves way the heck up the hill and near the edge of my lot because of code. All of the valves are anti-siphon, but what the heck.