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How should the sensing bulb be mounted for maximum accuracy
yellow for medium-low
Setpoint drift is often caused by electrical noise on the sensor wires or high contact resistance
Designed as the direct replacement for Nordyne 626409
Watts 0278030 Valve Els PW 29614 How should the sensing bulbThe Watts 0278030, also identified as the Series 174A 2 30, is a heavy duty ASME Section IV certified pressure relief valve designed for high capacity protection of hot water heating and domestic supply boilers. This 2 inch NPT bronze boiler relief valve is factory set at 30 PSI with a massive steam relief capacity of 3,815,000 BTU hr. Built with a non mechanical seat to disc alignment, the internal stainless steel spring and working parts are
