Re: Washing machine tray
Posted by the-edj on December 12, 2003 at 21:54:27:
In response to Re: Washing machine tray
: : Does a washing machine overflow tray get plumbed into a drain line? Does it need a trap?
: : Wouldn't that trap need to be primed? Or does the tray just catch the first two gallons or so?

: : Thanks

: Reply:
: Yes, these pans are supposed to be piped to an appropriate drain receptacle. And yes, a trap primer will be needed if the drain trap where the pan discharge drains to is subject to evaporation.
: Good Luck. e-plumber

In my plumbing area it is acceptable to pipe a drain pan indirectly, meaning that the end of the drain terminates near the floor drain in your mechanical room. This prevents the need for the trap primer because it isn't directly hooked up to the plumbing system therefore no sewer gas.It is after all for emergencies and hopefully it is never needed.


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