Williams Furnace Company 7A323 High Altitude Conversion Kit for 4007332 and 4007732 Includes P090535, P090537 and P090539

This high elevation kit is specifically for use with your Williams Natural Gas 40,000 BTU Forsaire Direct Vent Counterflow Furnace. It includes all required orifices to meet your specific elevation needs. A high elevation kit is required for elevations over 2,000 feet above sea level.
Orifices are included for the following elevations:
  • 2001' to 4000' above sea level - P090535
  • 4001' to 6000' above sea level - P090537
  • 6001' to 8000' above sea level - P090539
Current stock: 0

Please call Williams Furnace Technical Support at 888-444-1212 to confirm the correct part required for your specific furnace needs. You will need the model and the serial number of your specific furnace.

Usually Leaves Warehouse in 2 - 3 Business Days
Calculated at Checkout
Product Type:
High Altitude Conversion Kit

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