Optimized Airflow: Maintains consistent draft for reliable pressure switch activation and burner ignition

reducing radial load on motor bearings

maintaining the sensitivity and modulation accuracy of the thermostat sensors

Reduced Maintenance Downtime: Precise dimensions allow for rapid drop-in replacement during steam system maintenance

Rigorous Testing: Every motor is factory-tested prior to shipment to ensure immediate out-of-the-box reliability

York S1-1NP0501 Conversion Kit 340155-7026 Optimized Airflow: Maintains consistent draftThe York S1 1NP0501 LP Conversion Kit is a critical component for field converting York gas fired furnaces from natural gas to liquid propane. Specifically engineered for 130,000 BTU 1 stage residential furnacesincluding the TG8S130D20MP11A seriesthis kit provides the precise #56 orifice sizes required for proper combustion and furnace manifold pressure adjustment. As a veteran grade OEM propane conversion kit, it includes the essential White Rodgers