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The York S1-1PS3318 is a conversion kit for furnaces that are 33 inches in height and designed for high-altitude operation. This kit serves as a genuine OEM replacement part to ensure compatibility and reliability.
The kit helps in achieving optimal furnace performance in locations with high elevation.
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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