Description
The Carrier HH18HA505 is a genuine OEM rollout/high-limit switch designed specifically for Carrier, Bryant, and Payne HVAC systems. This critical safety component helps protect your furnace by detecting excessive temperatures and interrupting the electrical circuit when necessary.
Key Features
- Precision Temperature Control: Opens at around 235 °F and resets (closes) automatically at approximately 195 °F, helping prevent overheating and ensuring safe system operation.
- Automatic Reset: No manual reset required — once temperatures return to safe levels, the switch will automatically restore normal function.
- Robust Construction: Built to Carrier’s OEM quality standards, this limit switch is reliable and durable in demanding HVAC environments.
- Compact Footprint: Small and lightweight (about 0.02 lbs) for easy integration into tight furnace assemblies.
- Wide System Compatibility: Fits multiple Carrier, Bryant, and Payne furnaces and air handlers.







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