Johnson and Starley fan speed control around the fan portion is where you'll find this part. Fresh air is forced into the combustion chamber by the fan, which enables proper gas combustion. Immediately following combustion, it also removes the poisonous gas. If the fan malfunctions, the boiler is equipped with safety measures to ensure that no gas reaches the main burner.
Fits multiple appliances
Technical specification
Waist Sizeaa79cj12guCompatible WithJ25-32Supplier Part NumberS00134Brand NameJohnson & Starley