Lennox 11K51 Natural Gas to LP Conversion Kit - 2-Stage

The Lennox 11K51 is a genuine OEM conversion kit designed to convert compatible Lennox two-stage gas furnaces from natural gas operation to liquid propane (LP) fuel. This professional-grade kit enables safe and reliable fuel conversion for specified furnace models.

Key Features:

• Converts two-stage natural gas furnaces to LP/propane operation
• Includes White-Rodgers F92-1008 gas valve conversion components
• 0.034-inch orifice size for proper LP gas flow
• Regulation range: 4.0" to 10.0" W.C. low fire, 6.0" to 12.0" W.C. high fire
• Compatible with two-stage, fast and slow open 36G, H, J gas valves
• All necessary components included for complete conversion

Compatible Models: Designed for use with Lennox EL280, SL280, EL296, EL297, and ML296 series furnaces. Also known by manufacturer part number 604888-14.

This conversion kit provides a cost-effective solution for converting natural gas heating systems to propane fuel, making it ideal for areas where LP gas is more readily available or economical than natural gas service.