worcester bosch

Worcester Bosch (commonly referred to as Worcester) is a United Kingdom based heating and hot water products manufacturer.The company was founded in 1962 by Cecil Duckworth as Worcester Engineering Co Ltd in Worcester, England. After changing its name to Worcester Heat Systems Ltd, in 1992 the company was acquired by Robert Bosch GmbH, adopting the new name of Worcester Bosch.
Headquartered in Warndon, the company employs more than 2,000 people across the headquarters and manufacturing plants in Worcester and Clay Cross, Derbyshire, including a network of over 300 service engineers and over 80 technically trained field sales managers.

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  1. R

    Worcester Bosch heating not staying on

    I have the WB green Star 24i with a manual timer. We only have it set on/off and not use the timer, the issue we have is that it runs fine but when the heating switched off it doesn't come back on. The only way is to push the on switch on the timer upwards from the on position and it fires up...
  2. T

    Worcester Bosch combi timer issue

    I have a WB combi boiler. We never use the timer which is the mechanical type on the lower front of the boiler but have it set to constant and use room sat to turn it on and off when required. This method of use suits us well. I noticed recently that the constant setting has stopped working and...
  3. M

    Worcester Bosch Greenstar (conventional) Not Firing

    Evening Guys, No heating or water from our Worcester Bosch Greenstar 30cdi conventional boiler. When starting up the boiler the pilot light comes on for around 30/40 seconds. There is then sharp gurgling noises and the ignition from the pilot light goes out. I did a quick video here which I...
  4. J

    Worcester Bosch 30i Combi boiler HW problem!

    Hi, New to the forum so sorry to jump straight in with a question...but I have Worcester Bosch combi 30 boiler with a hot water issue and I need some help! I recently purchased a house and the boiler is a Bosch Combi 30. It is relatively new (approx 3/4 years) but is out of warranty. After...
  5. S

    Worcester Bosch boiler change query

    Hi all. Just signed up to this forum to ask some questions so all new to me. I have a Greenstar 30si boiler at the moment which is about 11 years old. Recently had problems with central heating system pressure and so a GSE changed the pressure relief valve and expansion vessel which involved...
  6. Stanios

    Worcester Bosch not so great customer service

    One of my regular customer rents out a house with worcester bosch air source heat pump that does heating and hot water. I am quite an amateur when it comes to anything other than gas this is in fact the first air source pump I've seen in a domestic property. The unit started having trouble...
  7. N

    Problems draining old Worcester Bosch highflow 3.5 combi boiler with header tank

    Hi all. First post from a first time home owner, and very amateur DIY'er. I've inherited an old Worcester Bosch highflow 3.5 combi boiler when i bought this house. I'm needing to drain the system to give it a general clean, and to practice for fitting a new towel rail, and unblocking (or...
    • Niko
    • Thread
    • boiler bosch combi combi boiler draining header header tank highflow oil old problems tank worcester worcester bosch
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  8. M

    New Worcester Bosch mag filter?

    Are these filters not bi directional?
  9. gas tec

    Worcester Bosch G3 unvented course

    I need to renew my unvented cert, looking online Worcester Bosch do the course for £100. Which is a lot cheaper than I paid last time. I know they are all the same but it seems too cheap. Has anyone done the course with Worcester?
  10. jaydebruyne

    service by Worcester Bosch

    Just been to look at a job for some plumbing bits and they mentioned their boiler, said it was just serviced by Worcester Bosch. 42cdi on 22mm pipework. The engineer mentioned they should change it but signed it off.. Really?????
  11. M

    System boiler to install with Megaflo Eco Slimline: Baxi or Worcester Bosch?

    Hi there - can anyone make a recommendation as to whether I should go with a Worcester Bosch or Baxi system boiler when installing a Megaflo hot water cylinder? This is a full house renovation and the owner wants to use an iBoost (from their new solar PV) with the tank. Any experiences (good...
    • MaidenheadChris
    • Thread
    • baxi boiler bosch eco install megaflo oil system system boiler worcester worcester bosch
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
  12. H

    After some advice on a Worcester Bosch 38cdi

    Just had a new customer having a problem with her boiler Worcester 38cdi showing fault code C6 boiler installed 2012 December saying it's out of warranty not a Worcester man myself so any advice would be very helpful before i pop round to have a look.
  13. 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...
  14. gmartine

    Worcester Bosch RI series.

    I've only fitted WB combis so any reason not to like'em? My local merchant has a reasonable deal on them and I have a couple of OV swaps coming up.
  15. G

    worcester bosch supply chain

    Anyone know of a co.who can supply and deliver me with Worcester boilers at a good price and high volume (50 a month) indirectly? Don't want to deal with Worcester directly or any plumb centres? All suggestions welcome
  16. king of pipes

    worcester bosch system boiler and 180litre Greenstore cylinder

    I am quoting on a job in a very nice property the problem I have is the boiler will be in a purpose built boiler room just off the utility room downstairs the existing boiler has a mono draught flue and if floor mounted , the cylinder will go in the same place as the existing which is central to...
  17. 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
    • again bosch combi experts greenstar heatslave issue lockout oil problem without worcester worcester bosch
    • Replies: 11
    • Forum: Plumbing Jobs | The Job-board
  18. J

    Worcester Bosch 30cdi HELP!!!

    ​Hi our worcester 30cdi is causing us much confusion. A while ago the temp in the shower started fluctuating this got worse until the water got very hot, followed by the boiler cutting out, ice cold water, then boiler went from U0-U9 before restarting. Same thing happening at taps. New parts so...
  19. B

    thanks to worcester bosch

    just sat my re assessment at Worcester bosch £400 instead of £1400 locally and when I found out I could use my Worcester points I asked for a refund and they gave it to me cant say fairer than that before you all rush off to do your re-sits with them we were six"lads" with 200 + years in the...
  20. H

    Worcester Bosch 37 CDi greenstar - code " -¦¦- " and loud vibrating noise

    We have just had our boiler serviced, after about an hour of having the heating on the display shows: -¦¦- and the boiler makes a very load vibrating noise which can be felt when touching the boiler. Our engineer wasn't sure what could have caused it, he will be back in a few days to take a...
    • Hullstar
    • Thread
    • after boiler bosch code engineer greenstar noise power should vibrating worcester worcester bosch
    • Replies: 8
    • Forum: Plumbing Jobs | The Job-board

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