Watts 0383942 Relief Valve THPU32HP7Y Key Benefits: High Thermal Resistance:

Key Benefits: High Thermal Resistance: Rated for steam applications up to 300°F

Its open construction and energy-limiting design ensure it manages momentary short circuits effectively

ideally within a mixing tube located down-stream of the blower to ensure a representative air sample is measured

If the original 621773R motor has seized or is showing high amperage

allowing for customized field installation of the compatible 510-350-223 plug-in relay

Watts 0383942 Relief Valve THPU32HP7Y Key Benefits: High Thermal Resistance:The 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