Description
The A.O Smith 9006621005 Burner Door Assembly Kit is essential to achieve high efficiency and reliability of the gas-fired HVAC systems. This kit usually consists of the burner door and, if required, related seals, gaskets, and fasteners. The burner door has the function of regulating or controlling the rate of combustion air to the burner in other words it is mostly used for controlling the rate at which fuel is combusted. Therefore, the burner door assists in making sure that the air-to-fuel ratio is well-regulated and that problems such as stale combustion and inefficient heat exchange do not occur.
