In the event the thermostat senses a transform in temperature, it sends a signal into the zone damper, which opens or closes to regulate the air circulation to that zone. Smoke dampers kick in once they detect smoke within the air, closing off parts of the ventilation program to prevent https://aircontroldampersforengin12334.thezenweb.com/the-fact-about-air-control-dampers-for-engine-sheds-that-no-one-is-suggesting-74790648