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  1. 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...
  2. 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
  3. 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...
  4. 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...
  5. 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...
  6. 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
  7. 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 (...
  8. Stants

    Glo worm V ,s Worcester Bosch

    Hi I was having a Worcester bosch Greenstar 30 Ri ERP system boiler installed however its been suggested I changed that to a Glo worm system boiler of similar size basically which is best ?
  9. D

    Worcester Bosch 32CDI . lots of air in Rads but no drop in pressure? please help

    Hi, i hope you can shed some light on this , Combi Boiler is located in the loft and was installed March 2020 on existing pipe work/ radiators , i topped up (2) radiators up stairs in October 20 it took a lot of water! Boiler pressure is set to 1.5 bar (cold resting) and never drops. But found...
  10. P

    Worcester Bosch Greenstar CDi - injecting additives

    Hi, I have been adding inhibitor via one of the radiators, but is there a way of doing it via the boiler itself please? I can't see where I would connect a pressurised can to? Thanks.
  11. S

    Worcester Bosch Greenstar 24i Mk4 system boiler that is locked out.

    Hey Folks. I have a Worcester Bosch Greenstar 24i Mk4 system boiler that is locked out. The boiler was working correctly, then the gas supply was turned off (to service another appliance) but the boiler was not turned off. I assume that the boiler tried to cycle on and off as requested by the...
    • StevePatts
    • Thread
    • boiler bosch greenstar system worcester worcester bosch
    • Replies: 3
    • Forum: Boilers
  12. S

    Worcester Bosch Danesmoor 20/25 Problem

    Is there anyone out there who has come across this problem. Our boiler locked out so pressed the reset button and it seemed that all was fine. Red light went out and fan started etc. About an hour later noticed nothing seemed to be warming up. But motor was still running and no lockout. Called...
  13. H

    Worcester Bosch Heatslave 26/32 Hot Water Problems

    I have a Worcester Bosch Oil Heatslave 26/32 which is about 17 years old. It has developed a fault that has come in stages so it might be more than one fault. It was fitted with the OEM programmer. 1. When the water heating is on, but the room heating is off, the boiler sometimes heats the...
  14. S

    Worcester Bosch Heatslave 20/25 Hot Water Not Working

    Hey there, I have a boiler (Heatslave 20/25) that had low pressure. I topped the pressure back up to 1 bar using the external filling pipe but the heating still won't come on. Do I need to reset anything? Thanks for any help
    • s7e
    • Thread
    • bosch hot water water worcester worcester bosch
    • Replies: 12
    • Forum: UK Plumbers Forums
  15. M

    Opinions Re: Worcester Bosch Greenstar 30i Combi

    Hi, would welcome some advice/opinions please. I currently have a Remeha Avanta plus 28c (combi) which is 11 years old, still working in a fashion but beyond economic repair. I have the opportunity to have a Worcester Bosch Greenstar 30i (Combi) installed using the boiler grant scheme...
  16. G

    Worcester Bosch Greenstar 24i Junior cuts out during use with reset button flashing red

    Hi So this morning I was having a shower and suddenly my hot water went completely cold. I jumped out and had a look at my boiler. I noticed that the burner had stopped and the reset button was flashing red. The blue oval shaped light in the middle was on and stable (it was blue). I reset the...
  17. T

    Advice please about fitting mixer shower from Worcester Bosch 25/ 32 heatslave oil combi

    Hello everyone. Looking for comments/advice please about my wife's latest request... Which is to remove the existing bath from an upstairs bathroom (apparently we don't like it anymore!) and replace it with a shower. The hot water is from an external oil combi also feeding a second bathroom...
    • Techie
    • Thread
    • bosch combi fitting mixer shower worcester worcester bosch
    • Replies: 5
    • Forum: Boilers
  18. J

    Worcester Bosch 37CDI Combi leaking

    Hi all, Our Worcester Bosch 37CDI has developed a leak from this part, located above the green casing, as you can see from the drip in the picture attached. Could you please tell me what this part is? Many thanks in advance John
  19. R

    Worcester Bosch wires melting

    Hi about an hour ago all the lights in my house tripped out. I went to the fuseboard and one switch was down. Flicked it back and it tripped out immediately. few moments later theres and acrid smell and a little smoke in the room tracked the smell down to the boiler, took the cover off and...
  20. J

    Worcester Bosch Greenstar Combi Anti Cycling

    Acquaintance has problem with a 5 radiator zoned system which takes ages to heat up. The boiler (don't know output) fires up normally and after ~ 20 minutes reaches its setpoint of 65C, over the next few minutes it will creep up to 70C and then cut out, again fairly normal if min boiler output...
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