Carrier HH12ZB200 Limit Switch and refrigeration compressors where reliability

and refrigeration compressors where reliability is non-negotiable

mechanical joints in refrigerant lines

Apply the recommended lubricant to the polymer seal to prevent binding or pinching during section pull-up

Reinforced with an integrated spring to ensure reliable airflow and prevent signal-dampening kinks

Carrier HH12ZB200 Limit Switch and refrigeration compressors where reliabilityThe Carrier HH12ZB200 Limit Switch is a critical OEM replacement part engineered for precise thermal protection in residential and light commercial furnaces. This auto reset limit switch features a 3 inch insertion depth and is factory calibrated for an L200 40 configuration, meaning it opens on a temperature rise at 200F and automatically closes once the system cools to 160F. As a furnace high limit thermostat, it prevents internal heat exchanger