flame failure

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I changed the diaphragm as there was a small leak from the nut which a rod protrudes from when the hot water is activated, since doing so I now get a vibrating sound and the flame does not ignite, any idea what I can do to rectify this? There are no errors showing? Here is a video with the...

Hi, I was wondering if anyone could help with an issue which has started on my ancient yet trusty boiler. I've recently noticed that it seems to have trouble with the flame and will sometimes have to reignite. This seem to be happening only when heating the hot tap and not central heating...

Hi, I have this boiler in a house I just moved into, for the first week boiler was fine, now it doesn't fire up unless its reset about 4 times, pump comes on, fan comes on, gas valve clicks, but only a tiny flame, then goes out, each time I reset it the flame gets larger,, and as I said...