Direct Replacement: Eliminates the need for mounting bracket modifications in systems using part 20165703 or 20165703S

The A22-391 features an SPDT switch and a constant differential

ensure the sensitivity adjusting screw is calibrated to the specific flow requirements of the application to prevent short-cycling or delayed response times

essential for preventing bypass air and localized water damage

Key Benefits for the Jobsite: Fixed 7°F Differential: Optimizes compressor run times and prevents rapid cycling in refrigeration circuits

York S1-025-41017-000 Expansion Valve 30067439-890 Direct Replacement: Eliminates the needThe York S1 025 41017 000 is an OEM grade refrigerant metering device designed specifically for evaporator coils in legacy R22 HVAC systems. As a critical Thermostatic Expansion Valve (TXV), it maintains precise superheat by regulating the flow of liquid refrigerant into the evaporator, preventing compressor slugging while maximizing cooling capacity. This valve features standard 3 8" ODF inlet and 3 8" ODF outlet sweat connections, allowing for a