Recent content by upacs

  1. U

    Saunier Duval Thelia 623 - No hot water but CH ok!

    Hi Andy. I already checked the micro switches. I replaced them earlier this year, but I removed it just to check. They seem fine and dry
  2. U

    Saunier Duval Thelia 623 - No hot water but CH ok!

    Hi Tony. Don't worry, we still have hot water, we just have to switch on the heating first :)
  3. U

    Saunier Duval Thelia 623 - No hot water but CH ok!

    Hi Thanks for your replies. I'm trying to fix this boiler myself, rather than having it professionally repaired. We have already decided to get rid of this boiler, so just want to keep it working until we replace it next year. As such, I would rather avoid the expense of getting someone to...
  4. U

    Saunier Duval Thelia 623 - No hot water but CH ok!

    No, this bugger leaks all over the place. Unfortunately it came with the property when we bought it. Installed sometime in the 90s, and for the past four years has been working fine, but has started giving trouble. Had it been my choice, there's not enough French wine in this world that would...
  5. U

    Saunier Duval Thelia 623 - No hot water but CH ok!

    Hi all We have a Saunier Duval Thelia 623 that has just started giving us trouble. In short, we have no hot water, although the central heating works fine. When the hot water tap is open, I can hear the boiler becoming active. The fan goes off, but it won't fire. The pilot is lit, but it...
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