Watts 740 045 FS 2 - Part of the 740 Series HDPE This 2 1/2 inch flow

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

ductile iron grate with 18 square inches of free area and a 4 inch no hub outlet

UPC - 098268554786

Heavy-duty cast-iron construction with epoxy coating and anchor flange for durability

a loose set porcelain enamel coated cast iron full grate with 31 square inch free area

Watts 740 045 FS 2 - Part of the 740 Series HDPE This 2 1/2 inch flowThis pressure relief valve has a 2 inch NPTF female inlet, 2 1 2 inch NPTF female outlet, and pressure relief setpoint of 45 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 the