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greenstar

  1. P

    Greenstar heatslave 12/18 combi( condensing)

    been to look at this boiler to "service" numerous faults with install. Tried to fire the heating but boiler did nothing. Fires up on hot water fine. External Honeywell wireless stat and 2 channel timer calling for heat, 230 at heating controls on board. What voltages and when should I be...
  2. moonlight

    Worcester Greenstar 28i leak

    I went to complete a landlords gas safety check Friday and found a couple of leaks on this boiler. One was the automatic air vent the other? See the picture. Is this the heat exchanger that has failed or just the seal? I haven't taken it apart as yet I have to report back to the landlord and...
  3. P

    Worcester Greenstar Heatslave 12-18 Rad Capacity

    Hello I have a Worcester Greenstar Heatslave Internal 12-18 installed and it's currently running 7 rads (6 are around 60-90 x 60cm, plus one tiny rad in toilet). I'm looking to add 6 more (five 60-90cm plus another tiny rad). I've done the BTU calculations - current rads around 23k BTU, looking...
  4. J

    Worcester Greenstar 24ri - Possible airlock?

    Replaced an old Ideal Concorde WRS225a with a 24ri today, on fire up it lights for couple of seconds and overheats causing banging pipes etc. Couldn't find a manual for the Ideal so assumed flow was on the left and return on right as left came out from top of heat ex and right from the bottom...
  5. Ted808

    greenstar occasional reset but repeatedly, every few weeks- for a few months

    Is this something that is a known fault on worc gs's? Haven't been there yet just a phone call- any advice what to look for? Cheers
  6. R

    Worcester Greenstar 30i for a 4.5 bedroom 3 bathroom house?

    Hi We current have a 10-year-old pressured HWS with a Potterton Supremo 80. The system leaks at the pressure value above the boiler and the PRV also leaks. Our house has 4.5 bedrooms, 2 lounges, 2bathrooms and kitchen. With the possibility of a third bathroom going into the loft in the next 3...
    • Rueben Derrick
    • Thread
    • bathroom greenstar house worcester
    • Replies: 11
    • Forum: UK Plumbers Forums
  7. A

    WB Greenstar 30CDI combi rads lukewarm

    Hi guys, Looking for advice on customers boiler. Called to customers house who said no heating, hot water fine. Picked up diverter v/v on route and new room stat as remembered there old one was looking a tad tired. Got to customers house and carried out initial safety checks and looked at...
  8. V

    Worcester Bosch Greenstar 24i (installed 2011) pressure dropping & PRV overflow leak

    Hello All My Boiler is dropping pressure and the hot taps are running lukewarm. Pressure was never great..3 floors up so only ever just over 1 bar. I called out the Gas Safe engineer who usually services the boiler and he said that the flat plate exchanger would most likely be scaled up...
    • vivvov
    • Thread
    • bosch greenstar leak overflow pressure worcester worcester bosch
    • Replies: 2
    • Forum: UK Plumbers Forums
  9. C

    Hive fitting on Greenstar HE plus

    Hi All has anyone fitted a Hive on a Worcester Bosch Greenstar HE Plus, Bosch says to can't be done due to the software,
    • Colins1967
    • Thread
    • fitting greenstar plus
    • Replies: 1
    • Forum: UK Plumbers Forums
  10. W

    Worcester greenstar 18ri purpose of the CH control knob on face

    Hi, I have a conventional Greenstar 18ri in a house I rent out. Can anyone explain to me in simple terms the function of the CH control knob on the front of the boiler? When it was installed, the engineer set the knob at about three quarters way round to the right and said that was about the...
  11. W

    Greenstar ri , Want to replace separate timer and thermostat

    Sorry but I'm bit of a novice on these things. I have a 7 yr old Greenstar Ri conventional boiler with hot water tank in my new house. When fitted, they wired next to the boiler a Potterden ep2002. This switch is a bit limited in what it can do. You cannot independently have different CH and HW...
  12. the_d_o_t

    Worcester greenstar 28i junior dripping flow turbine

    Hello people i have a Worcester greenstar 28i jnr where there was a leak coming from the front section (if you was looking stood in front of the boiler) of the flow turbine I've herd its quite common on this model because they came up with the fantastic solution of covering the diverter with...
  13. M

    Worcester Greenstar 30si No hot water

    Hi, I attended this boiler just before Christmas to repair a no hot water situation, symptoms were no response from the boiler when hot water tap was opened. I had a replacement flow switch on the van so I just changed it and all was well. Customer called again a couple of days ago for same...
  14. A

    greenstar

    what does it mean when a worcester CDi25 is flashing SE, boiler seems to be working so i couldnt be bothered to read manual. now i'm currious, is the boiler asking for a service, or sex, or holiday to the seychelles (cant think of anything else that starts with se, or indeed anything funny)...
  15. S

    Worcester 24i greenstar junior locks out

    Hi all I'm wondering if anyone can help with any suggestions on a very frustrating problem We moved into a house about 2 years ago and it had the greenstar 24i junior feeding a mega flow. Randomly, the boiler would lock out - the blue, reset and eco light flash in sequence. As soon as you...
  16. jaydebruyne

    Worcester Greenstar 18ri

    Got called to a boiler leaking but only when it rains. Checked condensate pump, works fine and no blockages. Checked no blockages in condensafe neutraliser and all good. Opened up the cover and water on the bottom. Dried it out and ran boiler on max for a while but no leaks. Checked sump of...
  17. M

    Greenstar 27cdi Worcester boiler - Clock problems!!

    Hi, I'm a newbie to this forum so hoping someone can help with this as sick of getting up at 5am to a cold house!!! i have just moved into a new house and the boiler is a Worcester Greenstar 27cdi - boiler works fine when using the on/off control however when I tried to use the timer...
  18. G

    Worcester Bosch Greenstar Heatslave 18/25 Oil Combi Lockout Issue

    Hi, I'm new to this forum and the question may have been asked previously, but if it has I can't find anything. My problem is that the boiler seems to always "Lockout" during the night and has to be reset in the morning to fire up. Sometimes it fires up briefly then locks out again. When you...
    • GAZZECK
    • Thread
    • bosch combi greenstar worcester worcester bosch
    • Replies: 11
    • Forum: Boiler Advice Forum
  19. P

    greenstar 24ri banging noise on shutdown

    My 24ri boiler is four years old and has started making loud clicks and banging noises when shutting down. This after it was off for six months due to house rewiring and relocation of header tank. It does not happen every time it shuts down and was serviced by plumber in September.
  20. P

    Greenstar 37cdi misbehaving = cold Christmas

    Hi there, Just registered with the site in the hope that someone might be able to help. We've got a Worcester Greenstar 37cdi Combi hooked up to a Hive heating system. Up until yesterday, everything worked flawlessly. We've been living in this current house for a year, and I don't think we've...

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