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If the negative pressure in the vent assembly is insufficient
This iron-core transformer utilizes a 120V primary supply to deliver a consistent 10
it is recommended to install a new capacitor whenever replacing a blower motor to ensure optimal performance
Designed to protect the primary heat exchanger from over-pressurization
Watts 0274427 Valve 326010-701 If the negative pressure inThe Watts Series 174A (Ordering Code 0274427) is a high capacity boiler pressure relief valve designed specifically for hot water heating boilers and water supply heaters. This 3 4 inch NPT female inlet outlet valve is engineered with a bronze body and a non metallic disc to metal seat, ensuring consistent performance in high temperature hydronic systems. With a factory set 35 PSI pressure relief and a high steam discharge capacity of 725,000 BTU Hr,
US$ 49.95
US$ 49.95
US$ 49.95