370V Standard Insulation: Provides high dielectric strength for reliable 240V and 120V line applications without premature breakdown

Built with a compacted bead desiccant

the Lennox 18J28 Limit Switch is a primary diagnostic point

ensuring dependable service life in demanding environments from -30°F to 275°F

The 1053017 typically refers to the knob itself

York S1-025-27747-011 Rollout Switch Els PW 17895 370V Standard Insulation: Provides highThe York S1 025 27747 011 Rollout Switch is a critical OEM replacement part designed for high performance gas furnace safety. Engineered to trigger at a 250 degree Fahrenheit open temperature, this manual reset rollout switch serves as a final line of defense against dangerous flame rollout conditions. When the internal sensor detects excessive ambient heat near the burner boxoften caused by a cracked heat exchanger, blocked flue, or insufficient