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This OEM Carrier replacement part functions as a high-limit safety cut-out
Its compact profile and low power consumption (0
the bearings are likely failing
Use this HVAC temperature limit control to protect high-value air handling units and chillers from sub-freezing discharge air conditions
Reduced Diagnostic Time: Color-coded wiring corresponds with standard Trane schematics
Watts 0274683 Valve 320788-703 This OEM Carrier replacement partFor high output heating systems requiring robust overpressure protection, the Watts 0274683 (Series 174A 100) is a critical component for both residential and commercial hot water supply boilers. This 3 4 inch pressure relief valve is engineered with a durable bronze body and features an ASME Section XIII certification, ensuring it meets rigorous safety standards for emergency relief. With a factory set point of 100 PSI and a high steam discharge