worcester

  1. C

    Worcester Bosch runs at constant (low) output

    Hello everyone, first post and I can't find anything on the search function. I have just had a new WB Greenstar 8700 system boiler installed. It is controlled by an Easycontrol wireless thermostat. The plumber has been useless - installed it, switched it on and said let it run for a few days...
  2. kpu56bl

    Can somebody check my wiring...? ☺️

    Good afternoon I'm installing a Hive and was wondering if somebody can verify my wiring for me? I have a Worcester combi boiler with a wireless Honeywell thermostat that's controlling a R6660D receiver unit. Would I be correct in saying both N wires would go to N in the Hive receiver, both L...
  3. R

    Boiler won't output DHW & CH at the same time.

    Info: Worcester Greenstar Heatslave Drayton MA1 Mid Position Valve Actuator Summary: Had to replace the valve actuator as the old one was sticking. Wired up the new one with the same pinout as the original. Tested but got the following failed outcome; Off = DHW Water On = DHW Heating On = CH +...
  4. J

    New Boiler and new bathroom. What would you suggest in term of brands

    I have been quoted for a new plumbing system with 2 option. Worcester and ATAG boiler system. What your thought about these 2 brands? As I have also buy all the bathroom components including shower mixer, taps and ceramic. I know this is very objective in terms of design but what would a good...
  5. R

    New boiler choice

    I have had a lot of issues with Explosive ignition on my boiler ... relayed here ... https://www.diynot.com/diy/threads/baxi-barcelona-explosive-ignition.470102/page-6#post-3784907 After another load of parts - flue, fan, gas valve, more boards, new burner(again), burner door (again) ... and...
  6. E

    Worcserter 24CDi DHW issue

    What flow rate does DHW turn on? My boiler works fine for CH but I have noticed recently that DHW has been problematic. The HW sometimes does not turn on until the tap is turned fully on and when I back off the flow rate to get hotter water, it turns off again. Usually I can get it so that is...
  7. L

    Worcester CDi electrode kit

    Hi, I had my Worcester CDi classic serviced last week and was told the electrode kit should be replaced due to a glass safety issue (it can crack and leave open flames). I wondered if anyone could tell me: 1 how long this problem has been known about 2 should the electrode kit always be replaced...
  8. T

    Old boiler woes.... ( Worcester 24cdi)

    Hey guys, I have an old Worcester 24cdi boiler. It's basically an antique, and I'm currently saving to replace it, but for the most part I must say its served us well. Sunday morning we woke up to a freezing cold flat, I open the boiler cupboard and its flashing on lockout. I reset it and it...
  9. F

    Worcester Combi Junior 24i Kettling CH

    Hi there, I have a 10-15 year old Worcester Combi Junior 24i that kettles only on Central Heating cold start. This winter is the first time it's started doing it. When it kettles, if I turn off the boiler via the thermostat for a few minutes then turn it back on again it runs no problem until...
  10. M

    Worcester Heatslave 20-25 - misbehaving!

    Hi experts. Well my old heatslave 20-25 has been running fine for ages. I thought how well it was doing just last week but it must have been reading my mind as this week it's decided to present me with some behaviour that I have not come across before. Turn the heating or hot water on and...
  11. D

    Worcester boiler juddering fault.

    Hi all. New to site and searching for answers. I have a Worcester Bosch MT10 combo boiler. It’s 5 yrs old. Usually efficient and quiet. Now, suddenly, it sounds like a machine gun. Loud sporadic clicking and then rumbling around the pipe work. First I switched the boiler off and bled the...
  12. B

    Worcester boiler buzz fading 37cdi

    Hi, got a 10yrs old WB greenstar 37cdi. Runs nicely but every few minutes has a loud buzz that fades in then back out, lasts for a few seconds and then fades out. Definitely not the pipe work or snagging. Can happen any time, not just upon fire up or shutting down. Any ideas? Thanks
  13. L

    Worcester 24i boiler sometimes fails to ignite.

    Hi guys, I have a Worcester 24i boiler which sometimes fails to ignite. I have checked the following - Water pressure is between 1.5 & 2.0 when cold. - On the top, reset switch is not tripped. When It works, it works fine. I think, there is a leakage in the system as I have to top-up the...
  14. M

    Vibration/impact effect on Worcester Bosch 24i?

    I’ve got a WB 24i (not Junior) located in the utility room. Yesterday a shelf support collapsed sending some boxes and cans of paint down and sideways into the side of the combi, and then the floor. No visible damage to case or smells of gas/H2O leaks. Since then the DHW works, the CH does not...
  15. B

    Worcester combi boiler wiring - from Honeywell BDR91 to Nest Heat Link

    Hi All. Apologies if this is a repeated question - I have tried to find an answer on several forums including this one, but none of the threads quite match the wiring diagram I have. This is my current set up: https://imgur.com/a/4Ao0B1P with the Honeywell BDR91 thermostat. If I had to...
  16. P

    Worcester 42cdi Hot water problem

    Hello, I have a problem with my Worcester Greenstar 42cdi. It was working fine until yesterday. when I noticed that the hot water would not get hot. upon further investigation, I am even more baffled. The boiler is in the upstairs bathroom. 1. Bathroom sink, (closest to boiler) gives warm...
  17. Steve Pearsall

    Help !!!! Combi problems

    hi everyone I’ve just moved into a static caravan We have Worcester Bosch Greenstar 30i on lpg We only have one small radiator fitted to the bedroom. We get our heating from a wood burner. The boiler heats up then cuts out. Can I assume that the system doesn’t have enough radiator...
  18. L

    worcester 9/14 cbi

    Hi all, I have a worcester 9/14 cbi boiler and has been working ok up until last week. When I turn on the boiler for heating the light comes on but the boiler doesn't fire up. However when I turn on the hot water the boiler fires up and works fine. The divertor valve is heating up both pipes...
  19. P

    Hot water mystery - faulty boiler?

    I have a shower running off bath mixer taps (i.e. not an electric shower) and for the last few weeks it has been driving me insane... hot water has been intermittent and water pressure is terrible. Plumbers can't figure out what is causing the problem. What happens is this: when I turn on the...
  20. G

    Hive on Worcester green star 30si

    Hi all I’ve got a receiver fitted on to a the boiler and purchased a hive 2 thermostat and hub 360. The thermostat won’t connect to the receiver even when I reset the receiver so it is flashing Amber. Called hive and they said maybe a compatibility issue with the boiler. Has anyone got a...
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