or the thermocouple failing to drop out due to insufficient heat from the pilot

As a veteran-preferred actuator accessory

commonly found in 30 to 75-gallon atmospheric and direct vent units

In a typical closed circuit application

making it a direct replacement for worn or damaged covers on single temperature or dual dial units

Reznor 82610 Limit Switch or the thermocouple failing toThe Reznor 82610 Limit Switch is a critical OEM safety component designed for precise thermal regulation in industrial and commercial unit heaters. Rated at 150F, this manual reset limit switch acts as a primary safety boundary, interrupting the electrical circuit to the burner if discharge temperatures exceed safe operating parameters. Engineered to meet strict HVAC thermal protection standards, this mechanical switch prevents heat exchanger damage