Watts 0275464 Valve 326058-756 this unit features a diaphragm-operated

this unit features a diaphragm-operated design with a balanced poppet

allowing for flexible mounting locations relative to the fan coil

Does this part replace the HK28UZ300A

Automatic Reset Logic: Eliminates the need for manual intervention by resetting the circuit once the unit cools

or rooftops

Watts 0275464 Valve 326058-756 this unit features a diaphragm-operatedProfessional 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