electrodes

Hi, I had my Worcester CDi classic serviced last week and was told the electrode kit should be replaced due to a glass safety issue (it can crack and leave open flames). I wondered if anyone could tell me: 1 how long this problem has been known about 2 should the electrode kit always be replaced...

Hi Team, I wonder if someone may be able to help with the following issue. The Thermecon boiler is approximately 15 years and in the main performs well. Last year we had a problem with the spark generation to fire the burner. On inspection the HT leads seem to be arcing and the spark wasn't...