Lennox 22B87 Conversion Kit

For veteran technicians and contractors, the Lennox 22B87 Propane Conversion Kit is the essential OEM solution for transitioning high-efficiency Lennox furnaces and packaged rooftop units from natural gas to liquid propane. This authentic LP conversion kit includes precision-manufactured gas orifices and a high-performance pressure regulator spring designed to meet the exact manifold pressure requirements of the White Rodgers gas valve or specific Lennox gas valves. Engineered for a seamless fit, the 22B87 burner conversion ensures reliable ignition and clean combustion, maintaining the thermal efficiency of the heat exchanger while preventing common field issues like delayed ignition or carbon buildup. Whether you are servicing residential 80% AFUE units or commercial RTUs, this replacement conversion kit provides the technical HVAC parts necessary to calibrate the fuel air mixture to factory-specified standards, ensuring consistent performance in cold climates where propane is the primary fuel source.

Key Benefits for Technicians:

• Direct OEM Compatibility: Ensures a precise mechanical fit with Lennox HVAC systems, eliminating the risks associated with generic aftermarket components.
• Calibrated Fuel Orifices: Provides the correct BTU output per burner to prevent over-firing or under-firing during liquid propane conversion.
• Enhanced Manifold Pressure Control: Includes a dedicated regulator spring kit to achieve the 10.5" W.C. typically required for propane operation.
• Field Service Compliance: Supplied with official gas conversion stickers and nameplate labels to satisfy local code inspection and safety requirements.

Common Questions:

How do I verify if the 22B87 kit is the right fit for my furnace?
Compatibility is strictly model-specific. Contractors should cross-reference the unit’s serial and model numbers with the manufacturer’s technical data sheet to ensure this kit matches the installed gas valve and burner manifold configuration.

Does this kit include a low gas inlet pressure switch?
Hardware requirements vary by kit number. The 22B87 focuses on the core LP changeover components; for specific high-efficiency models requiring an inlet pressure switch to prevent nuisance lockouts, verify the individual packing list for your specific furnace series.

What is the recommended manifold pressure after installing this kit?
While technical specs depend on the unit's rating plate, most Lennox propane conversions require a manifold pressure of 10.0" to 10.5" W.C. Always use a digital manometer to perform a final clocking of the gas meter during commissioning.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.