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This repair kit is for the replacement of the 2 1/2 to 3 inch lead free backflow preventer relief valve series 909-RV
Heavy Rating – Rated for H-20 vehicular loads
ZN400N-4NH
Z415-SZ1-2NL
a self-closing hinged grate for safety under traffic
Watts LF174A 120 FS 1 1/2 - Part of the LF174A Series ADA Pad This repair kit is forThis lead free pressure relief valve has a 1 1 2 inch NPTF female inlet and outlet and a 120 psi pressure relief setpoint. This valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a lead free copper silicon alloy body, non metallic disc to metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water
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