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Its 12 ½-inch (approx
Designed to be heavy duty yet flexible
ZB415M-3NL
and the optional dome strainer prevents clogging from leaves and debris
Watts 174A 145 FS 1 - Part of the 174A Series Z100F-3NH Its 12 ½-inch (approxThis pressure relief valve has a 1 inch NPTF female inlet and outlet and a 145 psi pressure relief setpoint. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a bronze 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 discharges from the relief valve.
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