Santech MT18617 HVAC Blend Door Actuator

The Santech MT18617 is an HVAC blend door actuator, also called an A/C heater blend door actuator or climate control actuator. It is the small electric motor that moves the blend door inside the heating and air conditioning housing. The door's position controls how much air passes through the heater core and how much bypasses it, which sets the temperature of the air coming out of the vents.

Key Points:

• Blend door actuator for the vehicle's heating and A/C system
• Replaces a worn or failed actuator that can cause temperature control problems, clicking noises from the dash, or air that does not change temperature