Watts 174A-85 1 1/2 - Part of the 174A Series Hanes Geo This 3/4 inch residential purge

This 3/4 inch residential purge and balancing valve is used in heating applications to facilitate removal of air from heating zones on initial fill and to control water flow through a circulation loop

SOFT-WEAVE Process: Ensures the netting remains flat and pliable

It consists of a lead free bronze full port body with 3/4 inch solder inlet and outlet

This drain balances form and function by protecting the roof membrane

40 Standard Reduced Pressure Setting-PSI 50 Strainer Yes Strainer Material Stainless Steel Thermal Expansion Bypass Yes Trim Material Engineered Composite Type Kit Valve Style Standard Specification Sheet - LFN45B-EZ for 3/4 to 1 IN Sizes

Watts 174A-85 1 1/2 - Part of the 174A Series Hanes Geo This 3/4 inch residential purgeThis 1 1 2 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,