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worcester boiler

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. D

    Worcester boiler no heating

    Hi, Found the forum via google, and hope someone can help :) Ive got an Oil Heatslave 20/25. When using the hot water everything is fine, the burner fires up and everything works fine. However, when putting the central heating on there is a solenoid click and then hum which I would describe as...
    • dest
    • Thread
    • boiler central heating system no heating oil worcester worcester boiler
    • Replies: 16
    • Forum: Plumbing Jobs | The Job-board
  2. D

    Worcester boiler won't stay on

    I have a Worcester Bosch Greenstar 35 CDi and came home to find it off. If I press the on button on the boiler it lights up and starts working, but the second I let go it turns off. I've gone through the manual, but typically for me this isn't listed! If I press and hold the on button...
  3. M

    Worcester boiler 28 si ii cutting out

    Hi, I wonder if anybody could help me please, My Worcester 28 SI II will cut out after filling half a bath, then the red light flashes, after resetting it just trips again straight away and again and again. Same happens with central heating, it will run for 20 mins then cut out and wont reset...
    • mindiawl
    • Thread
    • again boiler cutting cutting out oil repair worcester worcester boiler
    • Replies: 8
    • Forum: Plumbing Jobs | The Job-board
  4. jtsplumbing

    One for all you worcester boiler lovers !

    New web site for worcester spares going back 15 years, www.worcesterspareacatalogue.co.uk in this mts HVP mag. :waving:
  5. P

    Worcester boiler needs refilling daily

    Hi just got a customer complaining he is having to fill his boiler Daily.When central heating is on pressure rise as normal on Gauge but when heating is off pressure falls and discharge via blow Off..I'm thinking expansion vessel needs recharging any other thoughts Would be appreciated..thanx
  6. T

    worcester boiler noise after hot tap use

    hi any help would be greatly appreciated.. i have a worcester 28i junior and it has started to make a rumbling noise and the pressure release valve is opening. this only happens when the central heating is on and then a hot water tap is used. the noise is after the tap is turned off. this is...
    • theexey
    • Thread
    • after boiler boiler noise hot noise oil tap worcester worcester boiler
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  7. Y

    Worcester boiler programmer anomoly

    Hi all I have a Worcester Greenstar 28i junior boiler which incorporates a dt20 programmer. There appears to be an anomoly as there is hot water being supplied to the taps even when HW on the DT20 is in the OFF position ! How can this be ?? Would pressing the RESET button clear this apparent...
  8. K

    Worcester boiler problem

    Hi all I hope to get help with worcester 24i junior combi boiler. the reset light flashes every second and the blue light flashes every 2 second the hot water is not coming up
    • Khanmmy
    • Thread
    • boiler button fault mains oil problem reset worcester worcester boiler
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  9. M

    worcester boiler

    Hi which combi would you prefer for a 2 bed terrace 5 rads and 1 bathroom Worcester 30si or Worcester 30CDI
  10. kennedy1978mark

    worcester boiler course

    hi all , just found a worcester fault finding course that apparently , when attended and passed ,it qualifies you to give the customer a 5 year warranty on all their boilers as you are then a "approved installer " ... thought that they only give a 2 year warranty on their boilers , like most of...
  11. R

    Valiant 310 ltr unvented and Worcester Boiler

    Went to customer's house yesterday, was told they are having problem with hot water. The unvented tank is located in the loft, its a 310 ltr Vaillant tank. Heating is working fine. The boiler is located in the utility room downstairs. Had a look at the boiler not close enough though, flow and...
  12. P

    worcester Boiler strange noise

    Hi, I have a worcester greenstar 12RI condensing boiler. For a while now the pump attached makes a rattling sound when dispersing the gas/liquid. It only last for about 3 second every half hour or so so not a big deal but it is obviously a noise it shouldnt be making. My second point when i...
  13. F

    Worcester Boiler Shut Itself Down

    Hi I've got a Worcester Bosch 350 Combi boiler which just seems to have shut itself down tonight as if it has no power at all. When I checked it the pressure was pretty low so I topped it up. I'm assuming it shut down due to low pressure but the boiler won't come back on now. It's done...
  14. M

    first time i have fitted a Worcester boiler

    Hi iv just fitted a Worcester 24i junior and the gas rate of 2.59/m3h seems a bit high to me.;)
  15. S

    Worcester boiler flame detection light staying on for a few minutes

    Hi, any advise greatly appreciated. We have a Worcester 24CDi boiler. The flame detection light goes on for 1-2 minutes then goes off for a few minutes then on again for 1-2 minutes and so on. The radiator light stays on and the radiators remain hot. Is this normal or is there a fault. Today the...
    • sammick80
    • Thread
    • boiler detection difficult flame hot light minutes oil pcb problem radiator radiators temperature worcester worcester boiler
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  16. S

    Frozen condesate pipe and fault code not recognised

    Hi all New Wprcester bosch 30CDI boiler has frozen condensate pipe and given fault code F7. Sorted the pipe by cutting it and letting it drip into a bucket in the garage. However pipe now empty from boiler but the on start up the temperature gauge goes and alternately flashes with what looks...
    • Scottley
    • Thread
    • boiler bosch code condensate condensate pipe fault frozen pipe temperature trap worcester worcester boiler
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  17. S

    Worcester 28si II

    Hi, I have a worcester 28si II. It seems to have started to not realise when it the system is on. When the heating or hot water is running for a little while 5 / 10 minutes say, it starts to re-ignite even though it's already running. Has anyone come across this problem and know what's up...
    • symondsjames
    • Thread
    • boiler central heating system hot hot water ignition leads manual pcb problem starter system test water worcester worcester boiler
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  18. J

    Worcester Boiler 28CDi Fault

    Got a Worcester 28CDi Fault which would like some advice on: Worceter Combi that heating works ok but has no hot water - what could it be Please Advice
    • Jamie Banks
    • Thread
    • 28cdi boiler central heating system combi diaphragm fault hot hot water no hot water oil power tap valve water worcester worcester boiler
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  19. T

    Worcester 28cdi swapping manual timer control for digital single channel - nightmare!

    Hi, Hoping that someone can solve this very frustrating problem for me. The manual timer on our boiler got bashed and damaged. Needed to be replaced as the pon holding the control on had snapped so couldn't use the auto feature for timed heating. Looked up relevant part number, searched for...
    • taylor.simonp
    • Thread
    • 28cdi boiler central central heating system channel control digital flame inside installation lead manual nightmare pcb problem radiator replacement single timer worcester worcester boiler
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  20. M

    Flushing Worcester Boiler :)

    Hi All. We completed a power flush on a central heating a couple of months ago, so Worcester could take it under their repair scheme. We completed a full power flush, then heated the system up with system cleaner, fully drained the system, and then flushed the system with cold water, radiator...
    • Marsdendean
    • Thread
    • boiler boilers central central heating system cold cold water condensing control flush flushing hot hot water oil pipe pipes power powerflush pressure radiator system water water pressure worcester worcester boiler
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
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