Watts 0274683 Valve 320788-703 the bearings are likely failing

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

then use the onboard potentiometers to trim the zero and span for your specific actuator travel

While Type E and E2 share many design characteristics

Reduced Diagnostic Time: Color-coded wiring corresponds with standard Trane schematics

Watts 0274683 Valve 320788-703 the bearings are likely failingFor 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