Lennox 48G22 Conversion Kit

The Lennox 48G22 is an OEM natural gas to LP conversion kit engineered for precise fuel transition in residential and light commercial heating systems. This kit, also identified as Honeywell 393691/B, is essential for technicians adapting systems to liquid propane in off-grid or rural applications. It is specifically designed for use with Honeywell VR-series gas valves, including VR8200, VR8300, VR8204, and VR8205 models. By utilizing the 48G22, contractors ensure the burner manifold maintains the required 10.0" to 10.5" W.C. pressure for stable LPG combustion. The package includes high-tolerance burner orifices, a heavy-duty regulator spring, and the necessary conversion decals to maintain code compliance and system safety.

Key Benefits

• OEM Compatibility: Guaranteed fit for Lennox 48G22 and compatible Honeywell gas valves, ensuring factory-spec performance.
• Precise Combustion Control: Includes a high-tension spring designed to regulate the higher manifold pressures required for propane.
• Comprehensive Kit: Features specifically sized 0.0472 inch orifices and regulator adjustment components for a complete gas changeover.
• Professional Durability: Engineered to withstand the chemical properties of LP gas, preventing premature component degradation.

Common Questions

Which gas valves are compatible with the Lennox 48G22 kit?
This kit is built for various Honeywell VR8205 and VR8300 series valves. Always cross-reference your specific valve model number to ensure the regulator threading and orifice count match your manifold requirements.

What is the standard manifold pressure setting for this propane conversion?
For stable operation, technicians typically adjust the gas valve regulator to 10.0" W.C., though you must always verify the specific requirements on the furnace or unit heater nameplate during commissioning.

Does this kit include orifices for multi-stage furnaces?
The Lennox 48G22 typically includes a set of standard orifices. For multi-stage or high-altitude applications, technicians should verify if additional specialized orifices are necessary based on the BTU input of the equipment.

This item is not eligible for free shipping.

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.