Description
The Carrier HH18HA498 is a genuine OEM furnace limit switch designed to enhance the safety and efficiency of Carrier, Bryant, and Payne heating systems. This auto-reset disc limit switch monitors the furnace’s temperature, automatically shutting off the burner when temperatures exceed the preset threshold (170–210°F) and resetting once the temperature drops, ensuring safe operation without manual intervention.
Key Features
- Temperature Range: Activates between 170°F and 210°F to prevent overheating.
- Auto Reset: Automatically resets once the temperature returns to a safe level, ensuring continuous operation.
- OEM Quality: Manufactured by Carrier to meet exact specifications, ensuring compatibility and reliability.
- Compact Design: Dimensions of approximately 2″ L x 1.5″ W x 0.75″ H allow for easy installation in standard furnace control panels.
- Direct Replacement: Replaces part numbers L210F-40 and HH18HA498A, facilitating straightforward upgrades.











