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The Williams 9A337 is a high altitude conversion kit for the Williams 2001622A 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.
Product Compatible With
Williams 2001622A Room Heater
1-Year Limited Parts Warranty
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