This high elevation kit is specifically for use with your Williams Natural Gas 55,000 BTU Forsaire Top Vent Counterflow Furnace with Intermittent Ignition. 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 – P332625
- 4001′ to 6000′ above sea level – P090544
- 6001′ to 8000′ above sea level – P090546
The Williams Natural Gas 55,000 BTU Forsaire Top Vent Counterflow Furnace with Intermittent Ignition requires two (2) kits.