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  1. K

    Voker Unica HE - Hot Water but no Central Heating?

    Hi Everyone, Very late in the response to this but I thought I would get back and let everyone know the solution - Who knows, It may help someone out in the future! After trying the diverter valve replacement which unfortunately didn't work and after being unable to get hold of any local...
  2. K

    Voker Unica HE - Hot Water but no Central Heating?

    Thanks Ian I'll give that a go, Fingers crossed!
  3. K

    Voker Unica HE - Hot Water but no Central Heating?

    Thanks Ian - If i was to change that cartridge would I have to drain the system down? Probably an obvious question just don't want to remove something and get an unrequested shower...
  4. K

    Voker Unica HE - Hot Water but no Central Heating?

    Thanks for your replies. While the divertor actuator was off I did push the pin in which moved quite freely. I could hear water moving around when I pushed the pin in but the boiler still did not fire. I did think it could be the flow return pipes - would these have been turned when the heat...
  5. K

    Voker Unica HE - Hot Water but no Central Heating?

    Hi Everyone, I've been struggling with this for a week or so now and after reading a few similar posts, I thought I would see if anyone could give me a little bit more advice. I apologise in advance as there is a little bit of a backstory to this. In December our hot water started going...
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