Watts 740 030 FS 1 1/4 - Part of the 740 Series ground-shipping This 1/2 inch lead free

This 1/2 inch lead free flow measurement valve monitors system flow in low to medium flow rate HVAC units

This valve complies with MSS-SP-110 and features a lead free body

This 1 1/4 inch boiler trim-out package is used for commercial and residential closed loop hydronic heating systems

Strap With Bolt Holes: Equipped with a strap featuring cast body holes sized for flat-head bolts

ZB400H-4NL

Watts 740 030 FS 1 1/4 - Part of the 740 Series ground-shipping This 1/2 inch lead freeThis pressure relief valve has a 1 1 4 inch NPTF female inlet, 1 1 2 inch NPTF female outlet, and pressure relief setpoint of 30 psi. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features an iron 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