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    Hot Water cutting out on combi boiler

    Can anyone suggest what the problem is if my combi boiler fires up for hot water and after about 30 seconds it clicks off, the red light comes on and the water goes cold? You can get boiling water but only for a few seconds. Help!
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    Glow Worm PRV & Expansion Vessel Help

    Having read other topics on this subject we are fairly sure that our PRV needs replacing. However will we also need to replace the expansion vessel or could it just be the PRV? If we need to replace the expansion vessel, do we need to buy a Glow Worm one or not? Also, can you add the new...
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