Watts 0383800 Valve Els PW 17895 the 1F56N-444 is designed to

the 1F56N-444 is designed to work with 3-wire zone valve installations and includes a terminal wallplate to facilitate these connections

providing a robust solution for switching blower motors and heating elements

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6" Water Column specifically for Liquid Propane systems

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Watts 0383800 Valve Els PW 17895 the 1F56N-444 is designed toThe Watts 0383800, also designated as the Model 740 1 1 2 60, is a high capacity boiler pressure relief valve designed for heavy duty protection in hot water space heating applications. Engineered with a rugged iron body and a 1. 5 inch FNPT inlet by 2 inch FNPT expanded outlet, this valve facilitates massive discharge rates of up to 4,907,000 BTU hr. As a veteran grade ASME Section IV safety device, it utilizes a non mechanical disc to metal