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The Precision Plumbing Products PR-500NP is an automatic, pressure-drop activated Prime-Rite trap primer valve that meters cold water to floor drains. It features a 1/2" inlet and outlet, operates within a 20 to 80 psi system range, and requires a 10 psi pressure drop to activate. Constructed of 360 brass with EPDM E70 O-rings, Dow #7 silicone seals, and a #60 stainless steel mesh screen, it can prime up to two drains when used with DU-U or DU-4 distribution units.
Automatic pressure-drop activation; 1/2" inlet/outlet; primes up to two drains; electroless nickel plated 360 brass construction
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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