Carrier HH18HA160 Temp Switch 30067439-890 always verify the wiring diagram

always verify the wiring diagram and motor type before substituting relay technology

providing the necessary airflow control for specific rooms

or tripped high-limit switches caused by setpoint drifting

this linkage provides the mechanical advantage and stroke precision necessary for modulating or two-position control in hydronic systems

Carrier HH18HA160 Temp Switch 30067439-890 always verify the wiring diagramThe Carrier HH18HA160 Temp Switch is a critical OEM limit switch designed for heavy duty thermal protection in commercial and residential HVAC systems. Engineered as a safety limit control, this genuine Carrier replacement part monitors the heat exchanger environment, automatically interrupting the burner circuit if temperatures exceed safe operating parameters. With a precise 160F cut out and a automatic 120F cut in reset, it prevents thermal stress