Utilizing a genuine Johnson Controls replacement part ensures that the spray pattern remains centered within the burner tube

Ensures consistent amperage delivery to the solenoid actuator for reliable valve cycling

Designed for use with non-corrosive gases like natural gas

Is this unit compatible with 120V systems

Carrier HH12ZB200 Limit Switch Utilizing a genuine Johnson ControlsThe 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