Watts 174A-85 3/4 - Part of the 174A Series Basement Window Well Warranty - Z880

Warranty - Z880

1/8 inch DUO Vent

quick-connect union inlet and outlet connections

while the perforated stainless-steel ballast guard helps prevent soil and debris from obstructing flow

It is a sealed in a glass tube with a Valox case

Watts 174A-85 3/4 - Part of the 174A Series Basement Window Well Warranty - Z880This 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,