Lennox 18L11 Conversion Kit 319848-301 This natural gas thermostat kit

This natural gas thermostat kit includes an adjustable pressure regulator

Precision Airflow: Sustains 1650 RPM output to ensure the blower wheel delivers the correct CFM across the heat exchanger

If your local code requires a high-amperage internal circuit breaker

To maintain accurate temperature control according to ASSE 1017 standards

allowing technicians to maintain peak system performance without full component replacement

Lennox 18L11 Conversion Kit 319848-301 This natural gas thermostat kitThe Lennox 18L11 LP Conversion Kit (617168 01) is the essential field service solution for transitioning Lennox compact unit heaters from natural gas to liquid propane. This OEM Lennox conversion kit is engineered specifically for LF25, LS25, and UHRS series units ranging from 30k to 105k BTUs. As a direct replacement for Lennox 45L85 and 617168 01, it ensures precise manifold pressure regulation when paired with White Rodgers 36G series gas valves.