highflow

  1. K

    Worcester Highflow 400 RSF intermittent DHW

    Guys, Drained the CH system, replaced expansion vessel and currently on Sentinel x400 since 1.5 weeks ...but notice DHW water burner is cutting out time to time when on constant hot water demand! think should remain constant and so water temp fluctuate bit. More noticeable when on shower, not...
  2. K

    Worcester Highflow 400 Electronic RSF

    Folks, Moved to new property about two years ago, where we have Worcester Highflow 400 Electronic RSF (originally installed ~2002) and looks there are some issues and was wondering if any experts around and able to check in Aberdeen/Aberdeenshire area. Here's what's happening... * Started...
    • ktnabd
    • Thread
    • electronic rsf expansion vessel highflow highflow 400 highflow 400 electronic rsf intermittent hw low pressure rsf worcester
    • Replies: 7
    • Forum: Plumbing and Central Heating
  3. M

    Worcester Heatslave Highflow (bf) pilot not staying lit

    I had a problem with water leaking out of the Automatic Air Vent. Skip forward 2 nightmare days or leaks at the air vent , at then at the drain cock, and the system is now refilled and not leaking, however the pilot won't stay alight. When I drained down the system I only vented the first...
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