this disc-style limit control features a normally closed circuit and a surface-mount configuration for streamlined installation

Durable Construction: Steel shell design provides maximum burst pressure safety and corrosion resistance

The unit is built with a foot mount configuration for secure installation within junction boxes or control panels

excessive soot buildup

unlike manual versions that require a physical button press

Carrier HH22HA191 Rollout Switch Els PW 17895 this disc-style limit control featuresThe Carrier HH22HA191 is a commercial grade flame rollout switch engineered to provide critical thermal protection in residential heating systems and light commercial furnaces. This OEM replacement part is a Single Pole Single Throw (SPST) safety device configured to open at 190F and automatically reset at 150F once the temperature stabilizes. Designed for high heat environments, the HH22HA191 rollout switch functions as a fail safe, interrupting the