Discuss Glow Worm Ultracom 30cxi - Hot Water misbehaving! in the Gas Engineers Forum area at PlumbersForums.net
Boiler was working fine but now whenever I take a shower the hot water fluctuates from hot to luke warm. Looking at the boiler display, I can see the flames come on to max and hear the boiler working and then go down to min/off after a few seconds and then back on repeatedly. I checked the pressure is ok and reset the boiler. Attached a video which may make it clearer. Any ideas what it could be?
View attachment vid-20210429-114900_sZRICFL9.mp4
Reply to Glow Worm Ultracom 30cxi - Hot Water misbehaving! in the Gas Engineers Forum area at PlumbersForums.net
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