Key Benefits Broad Operating Range: Adjustable from 12°F to 47

suction line cleanup requires the HH series or RSF models

The thermistor design ensures consistent accuracy across a wide ambient operating temperature range of -40 to 212

this overload relay monitors electrical current in real-time

Is the P170NA-1 compatible with R-410A

York S1-031-01251-000 Control Board R-410A Key Benefits Broad Operating Range:The York S1 031 01251 000 Defrost Control Board is a critical OEM replacement part engineered for heat pump systems across the York, Coleman, and Luxaire product lines. As a veteran grade HVAC control board, this component manages the timing and execution of defrost cycles, ensuring the outdoor coil remains clear of ice accumulation during low ambient operations. This specific S1 03101251000 model serves as a direct upgrade for legacy part numbers,