no central heating

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    Vaillant Turbomax plus 828e working intermittently

    I am hoping someone here can help - have looked through this very helpful forum and couldn't find a similar issue discussed. I have a Vaillant Turbomax plus 828E which works intermittently for both hot water and heating - it comes on sometimes and at other times it doesn't. From what I can tell...
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    Vokera Linea 24 - No Error Code - No Hot Water - Intermittent

    Hello, I have a Vokera Linea 24 boiler. At times the boiler starts up, makes some noises for about 10 seconds or so, then stops. I believe this is an overrun cycle. Recently the unit has developed an intermittent issue where by the unit starts up, makes some noises, but does not stop: the...
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    No heating because of BDR91?

    Hi there, new to the forum and need some help. I have a Worcester Combi boiler 42cdi, with underfloor heating set up. We currently have hot water but no heating. The British Gas man has been round and said it is to do with the BDR91 relay which is tripping out when it tries to trigger the...
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    ATAG A325ECX: Hot water but no Central Heating. Any ideas?

    Have called the guy who installed it to come and take a look at the beast, but in the meantime does anyone have any ideas based on the following symptoms? ATAG A325ECX condensing boiler installed ~18 months ago. Heating system is a three loop job, each loop guarded by a valve controlled by a...
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    Water, but no heating. Possible 3PV?

    Hi, I've have a question that might help me clarify what the fudge is going on with my system, in particular a Honeywell 3PV: When I switch DHW off and turn the stat up for CH the 3PV motors open but the boiler isn't firing up. I've checked for 240v on terminal 7 from the orange wire and I...