Worcester Bosch Greenstar 24i Boiler Failure

[davegsm82]

I know this is a month or so old, but for the sake of clarification, I found this document to be quite useful as it states without too much tech jargon the Do's and Dont's (or, Can's and Cant's).

https://www.gassaferegister.co.uk/media/...tsheet.pdf