Description
Ensure safe, reliable operation of your furnace with the genuine Carrier HH12ZB200 high limit switch. This factory authorized component is engineered to precise specifications and provides essential temperature cut off protection to keep your HVAC system functioning and protected.
Key Features
- OEM part number: HH12ZB200, from Carrier — designed for direct replacement in compatible HVAC equipment.
- Operating range: Opens at approximately 200 °F (cut out) and resets around 160 °F (cut in) in the “L200 40” configuration.
- Auto reset type: The switch automatically resets after temperature drops back into safe range—eliminating the need for manual reset.
- Compact 3 inch insertion / 3″ stem style to match many Carrier/Bryant/Payne furnace applications.
- Heavy duty construction with common mounting footprint makes it a reliable choice for service replacements in older and current systems.






