Recent content by Mark Walsham

  1. M

    Timer Firing Up Boiler for Water, not for Heating

    Here is a pic of the motorised valve, a Honeywell unit, and for some reason there is no label or serial/model number on the unit! We bought this place about 10 years ago, and I think the boiler is approx 12 years old. I am reasonably happy to replace the head unit myself as the wiring seems...
  2. M

    Timer Firing Up Boiler for Water, not for Heating

    OK thank everyone so far, I do believe the culprit is the motorised valve under the boiler. I listened to this very carefully this evening, and when calling for CH, I can hear the motor running, but it is very slow. Much slower than when the call for the CH stops. Additionally, after giving the...
  3. M

    Timer Firing Up Boiler for Water, not for Heating

    Hmmm, the other end of the cable is squirelled behind the partition wall and may be my next mission tomorrow! I am going to, as suggested, listen to the HW motor valve as I know that is working, and I will do the same for the CH one. Thanks for the help, and will report back after tomorrow...
  4. M

    Timer Firing Up Boiler for Water, not for Heating

    I will check again in the morning as had a few beers and not the best time to do DIY (or is it the best time)? Yes I do have a multi-meter and am Ok using it, checking for voltage or continuity, so I am guessing I would need to remove the cover of the valve and check the voltages? The timer...
  5. M

    Timer Firing Up Boiler for Water, not for Heating

    Guys the plot thickens!! After a good root around the airing cupboard, I did indeed find the motorised diverter valve, but it’s not on a three way valve system, it is just one in one out, and I am 100% certain that this is for the HW only. The motor seems to be working fine, since when calling...
  6. M

    Timer Firing Up Boiler for Water, not for Heating

    I will re-check the zone thermostat tomorrow in the day light, but when I check it via the app, it seems to be reporting the right temp (17deg), but will check it. I will also check the airing cupboard for the diverter valve too, and from memory it is the usual electro-magnetic type, with a...
  7. M

    Timer Firing Up Boiler for Water, not for Heating

    yes, I do indeed have an airing cupboard, where the pump is installed, and the storage heating tank. I will have a good root around in there and look for anything obvious. Thanks.
  8. M

    Timer Firing Up Boiler for Water, not for Heating

    Hi everyone, I have a Climote (but re-badged by Scottish Electric) timer, which I think has developed a fault, and need some advice as I have a problem. First off, I have a Valiant traditional boiler, pressure good, power good and regular servicing. I note that when I ask the Climote for HW...

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