Posted by elvis on December 29, 1999 at 13:07:43:

In Reply to: Trap Primer Valve posted by Glenn on December 29, 1999 at 12:11:55:

: I was doing maintenance on an apartment and discovered a leak in the Trap Primer Valve. What does it do?

It usually releases water to a floor drain automatically when something else is used. You will find them attached to wall hung urinals, water is released to the floor drain when the urinal is flushed.
In industrial applications, I have seen them on timing circuits with their own sylenoid valves and piping and release water when cycled.

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