York S1-025-27747-011 Rollout Switch Els PW 17895 Common Questions What causes a

Common Questions What causes a plenum limit switch like the 10250809 to trip

protecting the burner assembly and improving energy efficiency

allowing technicians to sweat the body into the line without risking damage to the motor or electronics

ensuring a stable arc and reliable flame sensing via the flame rectification principle

Encapsulated 24V coil designed to resist environmental debris and moisture

York S1-025-27747-011 Rollout Switch Els PW 17895 Common Questions What causes aThe 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