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  1. A

    How do I get rid of air lock??

    Check that your pipework is supported proparly
  2. A

    new conventional boiler

    Im going to be fitting new for old. the only thing is the existing system has gravity primary's. I am going to fit 2 zone valve's but i am looking for advice on where to fit the pump as i know it can cause problems.
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    Worcester cdi DT20 controlls

    On the twin channel programmer for this boiler. Does the hot water setting just preheat the water in the boiler when it is on
  4. A

    Vokera linea 24

    It drips at any pressure. I filled it to 1 bar and it drips
  5. A

    Vokera linea 24

    This boiler keeps losing pressure. on inspection i noticed the blow off is dripping constantly. At first i tried to check the expansion vessel, the valve would not let air in or out though. Need some help with what needs done guys :roll:
  6. A

    Gravity primarys

    can new heat only boilers still be fitted to a system with gravity primarys. Does it need to be a floor standing boiler?
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    Standard efficency combi

    Is it still o.k to fit a SE combi where there is no possible place to take a condensate pipe
  8. A

    waste pipe too big....

    use a mcalpine fitting or heat a bit of 32mm pipe and ease it over the other pipe to form a socket then glue it together with solvent cement
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    flushing a system

    Do you need to powerflush or can you use tubs of cleanser
  10. A

    flushing a system

    Just new to domestic heating. I served my time on commercial sites on the serious stuff and just looking for some tips.
  11. A

    flushing a system

    Can someone tell me a good procedure for cleaning and flushing a central heating system before changing a boiler
  12. A

    Systen boiler or heating only boiler

    I was looking for a boiler to replace and old one. The system will still have a hw cylinder. In a brochure i have there are system boilers and heating only boilers, whats the difference
  13. A

    HW cylinder with no drain

    I recently had this problem, the drain valve on the cylinder was broken. I disconnected the top connection and siphoned out as much as i could then lifted out the cylinder. Is this the easiest way or are there other methods
  14. A

    system with no drain

    What is the best way to drain a heating system with no draining point.
  15. A

    Combi regulations

    what do you mean by boiler interlock
  16. A

    Back boilers

    Thanks guys. I think this has been a good topic
  17. A

    Central Heating Problem, Motorised Valve

    If you know where the pump is the zone valves are usually near it. If you dont know where the pump is try to listen for it, it could be under the floor but can usually be heard and there should be an access hatch for it
  18. A

    hep pipe

    Are hep inserts for compression fittings only or should they always be used
  19. A

    Combi regulations

    Is it now a reg to fit a room stat with combi boilers
  20. A

    Best combi on the market

    I work for a company who fit and recommend Worcester. I usually fit the Greenstar CDi models. Just wondering what everyone else fits or rates the best. I personally find worcester make it very easy for the installer and manufacture very intelligent boilers
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