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  1. wateece

    Worsted Bosch Green Star 24i won't fire

    Evening We have a Worcester Bosch Green Star 24i that keeps cycling on start up, makes some strange noises the inhibition light turns off and then it starts again until eventually lockout and reset. Reset does nothing but restart the process. Pressure is above 1 bar and in the green. It's been...
  2. L

    Worcester Bosch FS 30 CDI not coming on demand for heat

    HI All, Weird problem with an FS30 CDI, The boiler does not come on when demand for heat (LR terminal) is on, but I can turn it on manually via the service menu. Heating controls all seem fine, but anyone seen an issue before where it doesn't seem to register the demand for heat and just stays...
  3. B

    Worcester Bosch Greenstar 24i Pump Speed

    Can anyone tell me if the greenstar 24i circulating pump modulates? i have been looking at param 2.1c which references settings 0 to 4, i know the factory default setting is 4 (constant high pressure) which to me implies that it would not modulate on this setting, does it need to be setting 0 to...
  4. moonlight

    Worcester Bosch Fault code P3

    A customer rang this morning, says they have a intermittent fault on the boiler P3. Its a Worcester CDI30 I think from a past visit. I did quote for a new boiler 10 months ago, but the old one is still hanging in there. I looked on line as I don't have the book with me. Any suggestions? He says...
  5. M

    New Worcester Bosch startup whooshing sound

    Hi We just had a WB Greenstar 8000 Life 30kW System installed in the loft, and every morning when the heating comes on, the very first thing the boiler does is emit a loud whooshing of water away from the boiler, which results in what sounds like a bucket of water being chucked into the...
  6. J

    Hot water from Worcester Bosch Greenstar30i combi

    I have a newly installed Worcester Bosch greenstar 30i combi boiler. When i have the downstairs hot tap fully open, the upstairs hot water bath tap has very little flow. Is this a boiler problem, or is it down to the water pipe configuration, ie the downstairs tap is the easiest path for the hot...
  7. S

    Why is my Worcester Bosch 24i making this noise?

    Hello All. I have a Worcester Bosch 24i RSF (NG) that until recently has been working ok (not superb, but does it’s job). What is happening is there is a noise that I can only describe (through my years of working on cars) as, as if it is boiling and knocking maybe “kettling”. This is...
    • Scott Hanks
    • Thread
    • bosch noise worcester worcester bosch
    • Replies: 1
    • Forum: Central Heating Forum
  8. T

    Bosch dishwasher: no water entering but can hear a quiet motor

    Can’t find the model but this Bosch dishwasher is at least 10 maybe 15 years old. During the first wash for months yesterday it failed to finish, with a rather rough motor sound continuing until I eventually switched off power. It was clearly near the end, but it seemed that the final rinse had...
  9. D

    Regular boiler replaced with Bosch 25i system

    Quick question - our old regular boiler was just replaced after it failed. They installed a new Bosch 25i system boiler instead. I don’t really understand the details, but they say they fed it from the attic tank and so I should ignore the fact the pressure gauge is at 0. I think it is designed...
    • David B
    • Thread
    • boiler bosch system
    • Replies: 12
    • Forum: Boilers
  10. S

    How to check water psi on a Worcester Bosch Greenstar 8000 Life 40c ?

    How do you check the water pressure on a Worcester Bosch Greenstar 8000 Life 40c? I've searched online but cannot find any help on our boiler
    • Shajin
    • Thread
    • bosch greenstar water worcester worcester bosch
    • Replies: 1
    • Forum: Central Heating Forum
  11. F

    Anybody have experience with the Bosch 18v 10 litre wet vac.

    My Parkside wet vac has sh_t itself .20v battery is sound but motor seized.Is anybody familar with the 18v Bosch 10 litre?
  12. P

    Bosch Worcester Gr8300iw 30 C pressure loss and temperature

    Have just moved home and had a Worcester Bosch Greenstar Life Gr8300iw 30 C installed. It has a thermostat which I had turned down low overnight (but not that low, 18 degrees C) and found the pressure had dropped to something like 0.3 bar the next morning. I topped it up but since then the same...
  13. T

    Worcester Bosch 8000 Lifestyle 30kW : Disparity in pressure readings

    I require to change a slow leaking TRV on the lounge radiator and have a replacement available but I am slightly mystified by the boiler readings etc. The model is a Worcester Bosch 8000 Lifestyle 30kW. Pressing the electronic keys on the front panel shows digital readings of the prevailing...
  14. MancAnt

    Bosch Worcester Junior 28I pressure loss

    Hi all, anyone give any advice regarding our Bosch Worcester Junior 28I .... I have to keep re pressuring it every two weeks ( drops to 0.6- I put it back upto 1.2 and then it drops after 2 weeks). Expansion vessel was re-pressured earlier this year by the installer . It is in warranty until the...
  15. Stants

    Worcester Bosch 27i system boiler on when off on nest stat

    Hi I've just had a Worcester bosch 27i system boiler fitted on an unvented system I'm very happy with it great install but I've just happened to see it was on , so I checked the stat ( nest ) and hot water was not due on and no heating on either I did notice however that although the heating...
    • Stants
    • Thread
    • boiler bosch stat system worcester worcester bosch
    • Replies: 2
    • Forum: Boilers
  16. N

    Worcester Bosch 8000 Life 35 to replace High Flow 400

    Hi.. Advice please regarding a new Worcester Bosch 8000 Life 35 for a 4 bed detached with ensuite and currently powerful shower which is great. We currently have an old High Flow 400 . I understand heat output will be the same on a 40 / 45 / 50 model but will the 35 be sufficient especially...
  17. D

    URGENT worcester bosch greenstar 28i combi not hot water but radiators are fine

    having a few issues with my boiler. worcester bosch greenstar 28i. has been serviced every year. last serviced in jan. i moved into this property in feb. been experiencing these issues since feb but in the past month has gotten much worse. so radiators work fine they all heat up. the combi...
  18. L

    Idal Evomax 2 100kw vs Worcester Bosch GB162 100kw ?

    Hello, We are looking to replace our 50yr old heating boiler in a open vented system with a new 100kw boiler, or possibly 2 x50kw. The GB162 requires a sealed system, which would require a plate heat exchanger. It seems that the Evomax 2 can connect to an open vented system without a heat...
  19. R

    Worcester Bosch Greenstar Heatslave Boiler Smell.

    Hello, this is my first time on the forum. Three months ago we had a 1000 lt fill. We then noticed a strong oil smell when the boiler was firing up. There was no sign of an oil spill. Contacted our engineer to have the boiler serviced, still the strong oil smell was there. Recommended having new...
    • Roxy42
    • Thread
    • boiler bosch greenstar worcester worcester bosch
    • Replies: 29
    • Forum: Boilers
  20. Stants

    Worcester Bosch 30 Ri or Worcester Combi equivalent size

    Hi I was initially having a Megaflo ( 170 L ) and a Worcester Bosch 30 ( RI System Boiler ) in a loft conversion The guy that was doing the work can no longer do it so I was getting another quote for the same set up and the question came up again " why don't you have a Combi boiler (...
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