Carrier HH12ZB220 Limit Switch Key Benefits for Contractors: Direct

Key Benefits for Contractors: Direct OEM Compatibility: Engineered specifically for Bradford White flammable vapor ignition resistant (FVIR) systems

Oval) affect performance

System Integrity: Acts as a secondary seal to protect the Schrader valve core from dust

the hopper may sit at an angle

A trip usually indicates restricted airflow due to a dirty filter

Carrier HH12ZB220 Limit Switch Key Benefits for Contractors: DirectThe Carrier HH12ZB220 Limit Switch is a critical safety component designed for high limit protection in residential furnaces, packaged units, and air handlers. Engineered as a normally closed (NC) switch, this part initiates a system cutout when the 220F open temperature is reached, effectively preventing heat exchanger damage and hazardous operating conditions. Once the plenum cools to the 180F close temperature, the bimetal disc automatically