Watts 174A 033 FS 3/4 - Part of the 174A Series Z100F-4NH drain grate

drain grate

This 1/2 by 1/2 IN lead free dual check valve backflow preventer helps prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets

The Zurn Z575 is a 6" × 12" medium-duty rectangular top gutter area drain engineered to provide dependable drainage in linear or edge conditions

Z415BL-4IP

The valve features lead free brass body construction

Watts 174A 033 FS 3/4 - Part of the 174A Series Z100F-4NH drain grateThis pressure relief valve has a 3 4 inch NPTF female inlet and outlet and a 33 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.