Damper Overview 
 
For Electric & Natural Gas Customers

An inlet damper allows the proper amount of air to enter a boiler for optimal combustion with the fuel. When the boiler is off line or in standby mode, a well-sealed closed inlet damper will stop the air flow from going through the boiler, allowing the boiler to stay as hot as possible and not cool off. 

After a boiler cools, fuel is needed to heat the water to the operating temperature. The cooling from a poor seal or faulty inlet damper requires more fuel to reheat the water to operating temperature. A well-sealed damper will stop or limit the cool air from flowing through the boiler, reducing the heat loss which reduces the energy needed to reach the operating temperature.
damper replacement
 
 
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