the 10728319 is the standard 3-inch main limit switch for many models across the Goodman-Amana-Janitrol family

the packing offers excellent chemical resistance and thermal stability for steam systems up to 20 psi and chilled water lines

suitable for modern high-pressure refrigerant cycles

Broad Compatibility: Fully interchangeable with the N100-2501 and optimized for standard 1/4" poly tubing installations

Common indicators include heavy ice accumulation on the outdoor unit

Lennox 48G22 Conversion Kit the 10728319 is the standardThe Lennox 48G22 is an OEM natural gas to LP conversion kit engineered for precise fuel transition in residential and light commercial heating systems. This kit, also identified as Honeywell 393691 B, is essential for technicians adapting systems to liquid propane in off grid or rural applications. It is specifically designed for use with Honeywell VR series gas valves, including VR8200, VR8300, VR8204, and VR8205 models. By utilizing the 48G22,