The Williams 7A322 is a high-altitude conversion kit for the Williams 6508631 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.
1-Year Limited Parts Warranty