York S1-1PS3307 Conversion Kit 322057-301 Optimized Compressor Protection: Maintains oil

Optimized Compressor Protection: Maintains oil temperature to prevent refrigerant dilution and ensures smooth compressor start-up

ensuring stability in unconditioned mechanical rooms

Field Versatility: Compatible with both R22 and R407C

Series 3 units utilize a different electrode configuration

York S1-1PS3307 Conversion Kit 322057-301 Optimized Compressor Protection: Maintains oilThe York S1 1PS3307 High Altitude Conversion Kit is a critical component for ensuring proper combustion and operational safety in high elevation installations above 5,000 feet. Specifically engineered for York residential furnaces, including the TM9X single stage series and select 95% AFUE models, this kit includes a high altitude pressure switch factory calibrated to 0. 80 IWG. At elevated altitudes, lower oxygen density can lead to suboptimal air to