or carbon tracking

The York S1-024-35309-000 is an OEM-specified air pressure switch designed for combustion air proving in high-efficiency gas furnaces and packaged units

Is the EK-304S compatible with R-410A systems

providing a rigid mounting solution that prevents mechanical stress on the gas valve and burner assembly

Which flanges are compatible with the 3JES

Lennox 18J37 Limit Switch or carbon trackingThe Lennox 18J37 Limit Switch is a critical safety component engineered for high performance thermal regulation in residential and light industrial furnaces. As a normally closed disc style limit control, this genuine OEM Lennox replacement part is specifically designed to prevent heat exchanger damage by interrupting the burner circuit if internal temperatures exceed safety thresholds. Featuring a yellow color coded sleeve for rapid field