18L14 | NATtoLP HiAltitudeConvKitUHCM | Lennox

NATtoLP HiAltitudeConvKitUHCM: The Lennox NATtoLP HiAltitudeConvKitUHCM is a high-altitude conversion kit that allows Lennox furnaces to operate at higher altitudes. The kit includes a new burner with a different orifice size, a new air shutter to adjust the air-to-gas ratio, and a new gas valve spring to adjust the gas pressure. This kit is essential for Lennox furnaces operating at altitudes above 2,000 feet above sea level. Shop now at our HVAC supply store for the best prices and fast shipping!