maintaining the original equipment’s safety ratings and operational specifications

or carbon tracking

this model is an automatic reset switch

this 24-inch thermocouple features a robust copper lead and a high-nickel alloy tip to withstand the constant thermal stress found in residential heating systems

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

Lennox 18J37 Limit Switch maintaining the original equipment’s safetyThe 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