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  1. M

    Airlock or blockage in HW flow

    Familiar story I'm afraid. I drained the water down to replace a tap and after refilling the hot water is now not flowing. The water spurts and then flows to a trickle then stops. Upstairs there is no hot water flowing at all. Trying again an hour later gives another burst of activity then...
  2. M

    Central Heating making scary sounds

    I have a central heating system that is making some very strange noises that I’d love someone to explain. I have a bog standard open vented system with a 5/6yr old Worcester Greenstar boiler, Greenfos Selectric UPS 15-50 pump. The central heating comes on (HW+CH) and everything sounds...
  3. M

    CH not working as expected

    I'm having a problem with my central heating which someone might be able to help me with. My system has the usual boiler, pump, valve, cylinder and room stats. The programmer is a Landis Staefa RWB2E with separate controls for the CH and HW. However no matter what I do to the room stat, I...
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