Johnson & Starley PCB S00134 Fan Speed Regulator (BOS01977) Replaces S00075 (BOS01244)

Johnson & Starley PCB S00134

This PCB is used in a wide range of is used in a wide range of Johnson & Starley heating and ventilation systems.

Manufacturer’s Part Number S00134 (BOS01977) Replaces S00075 (BOS01244)

This part is located around the fan section .

The fan is the component that pushes fresh air in to the combustion chamber, allowing the gas to be burnt correctly.

It also removes the noxious gas after the combustion process is complete.

The boiler has safety protocols in place to make sure no gas can be passed through to the main burner if the fan is not working correctly.