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While ratings may appear similar
it features a reliable foot-mount design for secure installation within air handlers and furnaces
allowing for customized field installation of the compatible 510-350-223 plug-in relay
Key Benefits: High Thermal Resistance: Rated for steam applications up to 300°F
Efficient Serviceability: The PopTop design allows for one-handed actuator attachment and removal
Watts 0383942 Relief Valve THPU32HP7Y While ratings may appear similarThe Watts 0383942 (Model 740 1 1 2 75) is a high capacity ASME Section IV safety relief valve engineered specifically for liquid filled hot water heating boilers and storage tanks. Featuring a 1 1 2 inch NPT threaded inlet and outlet, this valve is factory set to discharge at 75 PSI with a massive steam equivalent relief capacity of 5,909,000 BTU hr. The Watts 740 series utilizes a large orifice design and a silicon coated EPDM disc to ensure positive