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The York S1-1PS3316 is a conversion kit intended for high altitude furnaces measuring thirty-three inches. This kit includes an air pressure switch, essential for proper operation. It is an OEM replacement part for reliable performance.
This conversion kit enhances furnace efficiency in high altitude environments.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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