Description
The Lennox 73W81 is an OEM LP to Natural Gas Conversion Kit designed to convert compatible Lennox heating equipment from liquid propane (LP) operation to natural gas. This factory-authorized kit ensures a safe, code-compliant fuel conversion while maintaining the original performance specifications of your Lennox unit.
Key Features
- Converts compatible Lennox heating equipment from LP (propane) to natural gas
- OEM Lennox replacement part — engineered specifically for compatible Lennox models
- Ensures proper fuel pressure, orifice sizing, and burner performance after conversion
- Supports a safe, code-compliant fuel-type changeover
- Maintains original equipment efficiency and heating output ratings
- Includes all necessary hardware and components for a complete conversion
Why Choose an OEM Conversion Kit?
Using a genuine Lennox conversion kit ensures that all orifices, gas valve settings, and burner components are properly matched to your unit’s specifications. Aftermarket alternatives may not deliver the correct fuel-to-air ratios, potentially compromising efficiency, safety, and equipment warranty. The Lennox 73W81 is the manufacturer-recommended solution for a reliable LP-to-natural gas changeover.
Application
- Designed for use with compatible Lennox furnaces and heating equipment
- Intended for installation by a qualified HVAC technician
- Verify compatibility with your specific Lennox model before ordering
Important Notes
- Installation should be performed by a licensed HVAC professional in accordance with local codes and regulations
- Always confirm unit compatibility using the Lennox model and serial number prior to purchase
- Refer to the equipment installation manual for complete conversion instructions







Reviews
There are no reviews yet.