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ensuring seamless integration and factory-spec performance
providing maximum mounting flexibility with universal break-off mounting tabs for conduit hub or screw-mount configurations
Please verify your power supply voltage before installation
which allows you to customize the length to match existing dial configurations
verifying the differential pressure with a manometer is recommended before replacing the high-limit safety switch
Watts 0383484 Valve 30067439-890 ensuring seamless integration and factory-specThe Watts 0383484 (Series 740) is a high capacity boiler pressure relief valve engineered specifically for commercial and industrial hot water space heating applications. Featuring a 1 1 4 inch NPT female inlet and an expanded 1 1 2 inch NPT female outlet, this ASME Section IV certified valve is designed to handle a massive discharge capacity of 4,285,000 BTU hr at a 75 PSI set pressure. Its iron body construction and stainless steel spring ensure