Worcester Electrode 871860028A0

Worcester Bosch 871860028A0 Electrode

Suitable for the following Worcester Bosch boilers:

533 Compact
and 533 Compact ErP
plus 535 Compact
with 535 Compact ErP
fits Greenstar 28 CDI Compact
and Greenstar 28 CDI Compact LPG
plus Greenstar 32 CDI Compact
with Greenstar 32 CDI Compact LPG
plus Greenstar 36 CDI Compact
fits Greenstar 36 CDI Compact LPG
and Greenstar 28 CDI Compact ERP
with Greenstar 28 CDI Compact ERP LPG
plus Greenstar 32 CDI Compact ERP
fits Greenstar 32 CDI Compact ERP LPG
and Greenstar 36 CDI Compact ERP
with Greenstar 36 CDI Compact ERP LPG
plus Greenstar 27 i System Compact
fits Greenstar 27 i System Compact LPG
and Greenstar 30 i System Compact
with Greenstar 30 i System Compact LPG
plus Greenstar 27 i System Compact ERP
fits Greenstar 27 i System Compact ERP LPG

and Greenstar 30 i System Compact ERP
with Greenstar 30 i System Compact ERP LPG
plus Greenstar 27 RI Compact
fits Greenstar 27 RI Compact LPG
and Greenstar 30 RI Compact
with Greenstar 30 RI Compact LPG
plus Greenstar 27 RI Compact ERP
fits Greenstar 27 RI Compact ERP LPG
and Greenstar 30 RI Compact ERP
with Greenstar 30 RI Compact ERP LPG
plus Greenstar 25 SI Compact
fits Greenstar 25 SI Compact LPG
and Greenstar 30 SI Compact LPG
with Greenstar 30 SI Compact NG
plus Greenstar 25 SI Compact ERP
fits Greenstar 25 SI Compact ERP LPG
and Greenstar 30 SI Compact ERP
with Greenstar 30 SI Compact ERP LPG

Usually, there are two different types electrode, Ignition electrodes and flame sensing electrodes .

The Ignition / Spark Electrode causes the spark that begins combustion.

The flame sensing electrodes are responsible for ensuring there is a flame present