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PPP (P1-500) | P-1 Primer Automatic Trap Primer Valve

SKU: P1-500 Category:

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PPP P1-500

The Model P-1 Trap Primer Valve is a precision device designed to deliver drinkable water for 1 - 4 floor drains.

A pressure drop of 10 PSIG (70 Kpa) is required to activate the priming valve.

The Trap Primer must be installed on cold, fresh water lines of 1 1/2" diameter or less.

Operating range: 20 to 80 PSIG (138 to 552 kpa).

What is a Plumbing Trap Primer?



Weight 0.95 lbs


Key Specs

System operating range: 20-80 psi

pressure drop requirement: 10 psi

Constructed of C693 Lead Free brass, EPDM E70 O-rings, Dow #7 Silicone, #60 stainless steel mesh screen, stainless steel adjustment screw.

Model P1-500 will prime 1-4 floor drains using our patented DU-U Distribution unit.

Owner's Guide


Consult local code requirements for installation.

Flush line prior to installation.