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Robert Bosch GmbH (; German: [bɔʃ] (listen)), commonly known as Bosch, is a German multinational engineering and technology company headquartered in Gerlingen. The company was founded by Robert Bosch in Stuttgart in 1886. Bosch is 92% owned by Robert Bosch Stiftung, a charitable institution.Bosch's core operating areas are spread across four business sectors: mobility (hardware and software), consumer goods (including household appliances and power tools), industrial technology (including drive and control) and energy and building technology.

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  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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...
  6. 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...
  7. 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...
  8. 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...
  9. 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 (...
  10. 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 ?
  11. M

    Bosch dishwasher E19

    Afternoon everyone. Looking for some advice, I've got a Bosch dishwasher that is throwing up an E19 code, I've replaced the exhaust valve and the waste pump but the code is still coming up. Any thoughts on what else it might be would be very welcome. TIA, Mark.
  12. 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...
  13. S

    Eon boiler grant upgrade extra costs

    I've been approved for a new boiler on the scheme. My old Greenstar 28i Junior mark 3 has been great. They're fitting a replacement Greenstar 30i. However there's some high charges extra for a new flue, new brackets, flashing kit and other bits and bobs. This is around £300. A few services ago...
  14. 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.
  15. 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...
  16. 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...
  17. S

    10 year old Bosch Greenstar Junior water sloshing noise, then fault

    I noticed the boiler making some strange noises last night. It made the same noise previously during a severe winter several years ago when the condensate exhaust which runs into a sink waste outside froze. I checked the brass spiral filter and purged it and quite a lot of brown debris powder...
  18. M

    Bosch easy control - weather dependant control

    Hi I have had a wb life 8000 installed with easy control. there is a setting called”weather dependant control” which is set to no by default. I don’t have a external weather sensor. if I click no will it default to using weather on Google?
  19. K

    Wocester bosch 550cdi

    Hi we currently have a Worcester Bosch 550 CDI. I was having issues with it and had a plumber come out to have a look the pump was struggling so that was replaced. The boiler keeps going into a flashing mode where there is a E looking without the top line I have attached a video. The central...
  20. T

    Bosch EasyControl - Controller positioning

    I'm planning on adding the Bosch EasyControl (CT200 + TRVs) to my new boiler. If all rads are controlled by smart TRVs, does the central unit still operate as a thermostat, or function just as the controller? Question is related to the positioning of the controller - If it's still a...
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