Watts 174A 075 FS 3/4 - Part of the 174A Series Z100F-3NH Neutral Base – Flat invert

Neutral Base – Flat invert base is perfect for driveway grades requiring precision

Z645-3NH-G

rated for NDS Class D loads (up to 575 PSI) and H-20 rated when properly installed with the Ductile Iron Frame (DS-200H)

while maintaining its strength for use in various demanding applications

Watts 174A 075 FS 3/4 - Part of the 174A Series Z100F-3NH Neutral Base – Flat invertThis pressure relief valve has a 3 4 inch NPTF female inlet and outlet and a 75 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.