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allowing for flexible mounting locations relative to the fan coil
Automatic Reset Logic: Eliminates the need for manual intervention by resetting the circuit once the unit cools
Ensure the 1/4 barb connection and tubing are clear of obstructions before replacement
Common Questions: What is the maximum pressure for the McDonnell & Miller 25-A
Watts 0275464 Valve 326058-756 allowing for flexible mounting locationsProfessional grade Watts 0275464, a high capacity Series 174A boiler pressure relief valve, is engineered for critical overpressure protection in large scale hot water heating and domestic supply systems. Constructed with a heavy duty bronze body and a rugged stainless steel spring, this 1 inch NPT valve is factory set to a 150 psi pressure relief setting and delivers a high volume discharge capacity of 3,795,000 BTU hr. The 174A series utilizes a non