Johnson and Starley Electrode Sit Gas Assembly BOS01970
City Plumbing
Johnson and Starley Electrode Sit Gas Assembly. The ionisation electrode serves as a sensor in the combustion, and the electrodes are a necessary component of the ignition process without which the boiler won't ignite.
Direct Heating SparesJOHNSON AND STARLEY BOS01970 ELECTRODE SIT. Genuine brand new Johnson & Starley Boiler Spares product, covered by a Johnson & Starley Boiler Spares manufacturer's guarantee.