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Common Questions Is this wheel compatible with older McQuay units
suitable for a wide range of HVAC systems
Common Technician Questions Is the Nordyne 920669A compatible with R-22 systems
ensuring 100% safety lockout protection in the event of an ignition failure
NPT Connections: Standard 1-1/2" male inlet and 2" female outlet allow for straightforward integration into existing pipe headers
Watts 0275174 Relief Valve R-407A Common Questions Is this wheelFor 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