Can I use this on a UDX unit

This transition is specifically designed for 90+ RPJ3 series systems

If you are troubleshooting a furnace not heating or encountering a frequent flame loss error

Optimized Conductivity: Precision-engineered nickel and copper alloys ensure the millivolt output remains within specified tolerances

this part is compatible with a wide range of Lennox

Lochinvar & A.O. Smith 100208182 Limit switch Els PW 17895 Can I use this onThe Lochinvar & A. O. Smith 100208182 is a high limit thermostat designed for precision thermal monitoring in commercial boiler and water heater applications. This 230F CO Auto Limit Switch acts as a critical safety integrated component, engineered to automatically interrupt the heating circuit if internal temperatures exceed the 230F threshold. As a direct OEM replacement part, it is identical to the HLC2909 and HLC2909K models, ensuring seamless