The MRCOOL MLP1SS Signature Series Single-Stage Gas Furnace Propane Conversion Kit is designed to convert compatible MRCOOL single-stage gas furnaces for operation with propane fuel. It works by modifying the furnace’s fuel delivery system to properly regulate propane flow, allowing the burners to operate safely and efficiently. This kit is intended for use with compatible Signature S... https://www.partshnc.com/mrcool-signature-series-propane-conversion-kit-mlp1ss