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Read our privacy policyThe Williams 9A358 is a high altitude conversion kit for Williams 65K BTU natural gas furnaces. 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.
Product Compatible With
Williams 6501522A Room Heater
Williams 6501922A Room Heater
Williams 6502522A Room Heater
Williams 6502922A Room Heater
1-Year Limited Parts Warranty