Carrier HH22HA236 SPST Rollout Limit Switch Manual Reset 225°F

The Carrier HH22HA236 Limit Switch Manual Reset Rollout SPST 225F is a safety control component designed to monitor excessive heat conditions in compatible heating equipment. It detects abnormal temperature rises near the burner area and opens the electrical circuit to stop operation when the set limit is reached. The manual reset design requires a physical reset after activation before the circuit can return to normal status. Within HVAC systems, it supports heating safety controls by providing rollout protection for connected assemblies and prevent unsafe operation during furnace heating cycles.