In the event the thermostat senses a modify in temperature, it sends a signal into the zone damper, which opens or closes to control the air stream to that zone. بطاقة العربية للطيران بلاتينوم الائتمانية تذكرتك لمزيد من السفر Avert unwelcome airflow and manage program effectiveness with our backdraft dampers. https://aircontroldampersforengin46890.snack-blog.com/36753454/an-unbiased-view-of-air-control-dampers-for-engine-sheds