The Carrier HH12HA142 is a genuine OEM high-limit / manual reset (M/R) safety switch designed to protect furnace systems from overheating. Rated at 140 °F, this limit control is a critical safety component in many Carrier heating units, helping prevent damage to internal components by interrupting operation if temperatures exceed safe limits. HVAC USA
Key Features
- Factory-Authorized Reliability: As an official Carrier part, the HH12HA142 provides exact fit and functionality, ensuring your system remains safe and code-compliant.
- Precise 140°F Temperature Rating: Designed to trigger at 140 °F, this limit switch safeguards your furnace from overheating, reducing the risk of component failure or fire hazards.
- Manual-Reset Design: Once triggered, the switch must be manually reset, making it a reliable safety cut-off that signals when abnormal thermal conditions arise.
- Durable Construction: Built for long-term use, this switch is engineered to withstand frequent cycling and harsh furnace environments, giving you dependable performance.
- Compact & Easy to Install: With a streamlined form factor, the HH12HA142 fits neatly into standard furnace cabinets. Technician-friendly design reduces installation time and effort.
- Wide Compatibility: Commonly used in a variety of Carrier, Bryant, and Payne gas furnaces.
