Worcester 87186643010 Set of Electrodes (Replaced by Worcester 8716121817 Set of Electrodes)
Product Information:
This electrode set has been replaced by the Worcester 8716121817 Set of Electrodes.
Typically, there are two types of electrodes in a boiler system:
- The ignition electrode produces the spark that initiates combustion.
- The flame-sensing electrode detects whether a flame is present in the burner. This vital safety feature ensures the boiler does not continue supplying gas if no flame is detected.
This part is compatible with 47 different Worcester boilers
Installation Recommendation:
We advise having all parts fitted by a fully qualified Gas Safe certified technician to ensure safety and proper functioning.






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