Common Questions: What causes a Trane SWT2173 to trip

Direct OEM Fitment: Eliminates the guesswork associated with universal fittings

we see these gaskets fail most often due to soot buildup in the heat exchanger fins

The CTR2577 contactor utilizes durable silver cadmium oxide contacts to minimize arcing and extend the operational life of the switching mechanism under heavy cycling

A veteran tech will check for electrical continuity across the terminals while the system is cool

Lennox 50J94 Burner Orifice Els PW 17895 Common Questions: What causes aThe Lennox 50J94 Burner Orifice is a high precision OEM replacement part engineered for liquid propane (LP) heating applications across various Lennox furnace platforms. As a veteran technician knows, maintaining the correct manifold pressure and stoichiometric ratio requires exact specs; this orifice features a 0. 0625 orifice size to ensure optimal fuel metering. Whether you are performing a Lennox LP conversion or a standard service call, using the