Air flap knob De Dietrich 300028720

The air flap knob is a control component used to adjust the air intake on boilers and burners, regulating combustion and heat output. This knob allows for precise manual adjustment of the air flap, helping to optimize efficiency and maintain stable operation. As a part of boiler spare parts, it is often replaced when the original becomes loose, stripped, or difficult to turn. Installing a new air flap knob is a straightforward repair that can improve the performance of your heating equipment. Ensure compatibility with your air flap assembly for a proper fit.