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Read our privacy policyThe Williams 7A320 is a high-altitude conversion kit for the Williams 6008831 furnace. The kit includes all adapters and orifices needed for high-altitude conversion.
Product Includes
Orifice for installation at 2,000 to 4,000 feet.
Orifice for installation at 4,000 to 6,000 feet.
Orifice for installation at 6,000 to 8,000 feet.