Description
The Williams 9A377 is a high altitude conversion kit for the Williams 4505621A furnace. The kit includes all 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.
Specifications:
- Product Configuration: High Altitude Conversion Kit
- Manufacturer Warranty: 1 Year Limited
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