Ensuring you are Ready for the Road Ahead™, the AirSource 12V 2-Pin Heater Valve Actuator maintains your truck heater’s efficient operation during cold months. Serving as the automatic temperature control and regulator of air intake for your HVAC system, this heavy duty actuator’s solenoid ensures the shut off of air pressure flow allowance to occur when electrically charged or uncharged. Keep your HVAC system in proper order during harsh winter months with this 2-pin heater actuator; properly permitting the heater core’s allowance of warm air into the cabin. FleetPride is your First Click in Heavy Duty®.