Watts 174A-70 1 1/2 - Part of the 174A Series

Watts 174A-70 1 1/2 - Part of the 174A SeriesThis 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,

Suitable for heavy-duty exterior environments requiring high flow capacity

Secure flashing clamp protects membrane integrity

gasketed brass cleanout plug for a secure seal

it combines rugged materials with intelligent engineering

UPC - 098268827606

Cover O-ring Kit Type Total Repair Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268545074

Dura-Coated Cast Iron Body: Durable construction resists corrosion and long-term wear

Provides debris protection for compatible roof drain systems

Available with threaded

ZB415G-4NH

UPC - 098268653533

which helps to prevent the reverse flow of polluted water from entering into the potable water supply