Watts 174A-85 3/4 - Part of the 174A Series Basement Window Well 1/8 inch DUO Vent

1/8 inch DUO Vent

Non-Tilt Grate - Handles vehicle loading while maintaining reliable water flow

Check Disc

and has a 100 year material lifespan when not exposed to direct sunlight

ZN415I-3IP

Watts 174A-85 3/4 - Part of the 174A Series Basement Window Well 1/8 inch DUO VentThis 3 4 inch boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non metallic disc to metal seating, stainless steel spring, and test lever. It resists corrosive water conditions,