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Field Versatility: Compatible with both R22 and R407C
terminating power to the oil valve and igniter to ensure system safety
Series 3 units utilize a different electrode configuration
specifically regarding Btu input and safety cutout timings
York S1-1PS3307 Conversion Kit 322057-301 Field Versatility: Compatible with bothThe 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
