Spark about half way up PCB on switch off

I have just replaced the stabiliser valve - I thought all went well and it has cured the leak - thanks for the advice. However, when testing I noticed on switch off that there is a spark about half way up the PCB (near 5 and 6 on the diagram). Maybe a daft question, but is this normal behaviour? It looks like there are various contacts that could spark on separation.
Asked 12 years ago by Frances

Yes this is normal behaviour when contacts make and separate

Answered 12 years ago by The Shower Doctor

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