Watts 0275174 Relief Valve R-407A suitable for a wide range

suitable for a wide range of HVAC systems

How is this unit powered

NPT Connections: Standard 1-1/2" male inlet and 2" female outlet allow for straightforward integration into existing pipe headers

this OEM furnace replacement part eliminates the need for field modifications

Operating on a 24 VAC power supply

Watts 0275174 Relief Valve R-407A suitable for a wide rangeFor high capacity pressure protection in commercial and residential hydronic systems, the Watts 0275174 Series 174A provides a critical safety boundary for hot water heating boilers. This 1 inch NPT pressure relief valve is engineered with a rugged bronze body construction and is factory calibrated to a 75 PSI set pressure, delivering a substantial steam discharge capacity of 2,055,000 BTU hr. Its internal stainless steel spring and non metallic disc