The Lennox 19D58 (604888-22) Natural to LP/Propane Gas Conversion Kit is a factory-engineered solution designed specifically for ML180UHV series gas furnaces. This conversion kit provides the precise components needed to safely and efficiently convert your furnace from natural gas to liquid propane. Ideal for residential and light commercial applications, it ensures proper combustion, stable operation, and full compatibility with Lennox OEM performance standards. A must-have for licensed HVAC contractors performing propane conversions in areas without natural gas service.

 

Key Features:

 

• Compatible with Lennox ML180UHV high-efficiency gas furnaces
• Converts natural gas units to LP/propane fuel
• Includes factory-specified orifices and required components
• Supports safe ignition, combustion stability, and rated BTU input
• OEM Lennox kit ensures correct fit and reliable long-term performance
• Intended for installation by qualified HVAC professionals

 

Technical Specifications:

 

• OEM Part: Lennox 19D58
• Catalog/Kit Number: 604888-22
• Furnace Compatibility: ML180UHV series
• Fuel Type Conversion: Natural Gas → LP/Propane
• Application: Residential & light commercial forced-air heating
• Components Included: LP orifices, conversion label, hardware (varies by kit)
• Certification: Lennox OEM certified components