bosch

  1. R

    Worcester Bosch 28cdi diverter valve

    Hi I am replacing suspect diverter valve on old Worcester Bosch 28cdi. There is a small black slotted screw there (see the photo). Could someone advise me what is it for, is it an adjustment? Thank you very much Rafal
  2. chris skeats

    URGENT Hi I am thinking to replace my ageing Alpha CD24R with a Bosch

    Hi I am thinking to replace my ageing Alpha CD24R with a Bosch equivalent, I have a few quotes which seemed fair, until today we had a company turned up, he really had a good look round. Far longer than the others, (one i had to send pictures ? And he quoted me the pics that I supplied?) He...
  3. D

    Worcester Bosch 542/i - failed sweep test on electrode plate?

    Hi I've just had my annual maintenance check on my boiler (in title), it will be 8 years old in May this year and is (I think) still under guarantee as I get it checked annually with British Gas (they installed it and said the guarantee would be extended until it is 10yr old if I kept the annual...
  4. J

    Worcester Bosch 24SBi

    The flow loop connector is leaking but is now obsolete. I ordered last one available and it has gone missing in transit. Any ideas or possibly a secondhand one?
  5. C

    Veisman or Worcester Bosch Boiler

    Hi guys, just after a little advice please. I must be very fortunate, as I have a 28 year old Valiant VCW-GB242-EH Combi Boiler, which over the 28 years has only had minor leaks caused by the odd gasket and rubber diaphragm replacement...Fingers crossed. I do however realise that the party may...
    • Chainsawcharlie
    • Thread
    • boiler bosch worcester worcester bosch
    • Replies: 8
    • Forum: Boiler Advice Forum
  6. P

    Mystery Worcester Bosch Combi Status Code 265.

    Can anyone please explain why my 12 month old WB Greenstar 28CDi Compact ErP Combi with fascia mounted Comfort ll room stat continually stalls with a 265 Status Code "Stand-by mode forced due to energy transfer limit", causing it to take twice as long to reach the set room temperature than it...
  7. Grifter

    Lp20rf not firing up cdi35 worcester bosch boiler

    I recently moved into a flat with a Worcester Bosch CDi 35 Compact (or Classic System maybe?) and the thermostat on the boiler was broken (the thermostat was visibly damaged). I replaced it with a Drayton LP20RF receiver and thermostat. The boiler guy came round once other work was completed to...
  8. P

    Bosch EasyControl & autobalance

    Hi, 1st question from a newbie. I've had a search & can't find a thread on this. I have a worcester bosch greenstar boiler with 17 rads. I have a EasyControl with 14 of the rads having Bosch eTRVS. I do not use the weather compensation settings. I have a couple of queries if anyone has set up a...
  9. S

    Upgrading Worcester Bosch 440 CDi ERP to weather compensation

    Hello everyone, I have a Worcester Bosch Greenstar 440CDI ERP installed in my cellar with EPH room thermostats, for 2 zones of heating in my house. These controls are a bit basic as they only allow one temperature and basic on/off times. I have seen the FW100 weather compensating controller...
  10. S

    Worcester Bosch System 8000 - Radiator symbol etc

    Hi I have a Greenstar 8000 Life 30kw system boiler and 250litre indirect unvented cylinder. The programmable Danfoss time clock is split Rads (controls upstairs rads) Hotwater (controls HW to cylinder). Ground floor is UFH and has a separate wireless Thermostat that kicks it on and off. All...
  11. J

    Worcester Bosch 30Si new room thermostat install

    I've got a Worcester Bosch Greenstar 30Si combi boiler and I'm trying to replace the room thermostat which has a faulty display. The faulty thermostat is a DT10RF optimiser which is discontinued so I purchased a Comfort 2 RF which is supposed to be the equivalent replacement. It should be a...
    • JasonC
    • Thread
    • bosch install room thermostat worcester worcester bosch
    • Replies: 1
    • Forum: DIY Plumbing Advice
  12. K

    Worcester Bosch boiler not working for hot water

    My Worcester Bosch boiler works for the central heating system but doesn’t turn on for hot water. On the boiler the chimney sweeper icon is flashing and then 100. Not sure what this means or what I need to do? Can anyone advise as I’m clueless
  13. grumpydad

    Baxi 836 Vs Worcester Bosch 8000 35kw

    Hi all. My glowworm e50 has seen better days. Situation = 4 bedroom detached house, header tanks in the loft, all the rads are singles, they are all the originals from 1996. No TRVS. Some are rusted on the bottoms. Vented heat only. Essentially, it's time to spend some money. Got two...
  14. P

    Intermittent Hot water issue with Worcester Bosch Greenstar 35 CDI

    I have a 16 year-old Worcester Bosch Greenstar 35 CDi combi boiler, which is recently suffering from intermittent issues with the hot water. I usually get the shout from a family member who’s in the shower and found there’s no hot water. If I’m near the boiler when this happens, I can see the...
  15. J

    How noisy is a Worcester Bosch 39CDi boiler?

    We’re thinking of replacing our veritable Ideal Mexico Floor Standing Boiler (installed by me in 1985 and pretty much reliable ever since!) with a Worcester Bosch Greenstar 30CDi boiler. Question: How noisy is it? We’re OK with the noise from our old boiler but we’re worried about any...
    • John Stuchbery
    • Thread
    • boiler bosch noisy worcester worcester bosch
    • Replies: 2
    • Forum: Boiler Advice Forum
  16. I

    Cost to repairing a leaking Worcester Bosch Combi Boiler flow turbine

    Hi there - could someone please tell me what is a reasonable price to pay for a plumber to repair a leaking Worcester Bosch combi boiler flow turbine, pls? Ta!
    • iannutt
    • Thread
    • boiler bosch combi combi boiler flow leaking worcester worcester bosch
    • Replies: 3
    • Forum: Boiler Advice Forum
  17. A

    Worcester Bosch Greenstar 30 CDi - Pressure loss

    Hi all, Recently moved into a new house and noticed the Greenstar boiler has low pressure on the dial. Quick Google suggests using a key, valves, or fill loop to increase the pressure. Only problem being is I don't have either of those things. Any help would be appreciated. Cheers.
  18. Jpm757

    Worcester Bosch Cycling Issue

    Good afternoon everyone, I am hoping you may be able to help me. I have a Worcester Bosch 19/24CBI boiler and it keeps cycling. When trying to heat the hot water (same for heating) the boiler is off more than it is on and thus unless timed for a very long time never gets the desired outcome. In...
  19. L

    How do I fit Bosch thermostatic valves to old radiators .

    background: I have 15 radiators 20+ years old with no thermostatic valves and Bosch instructions depend on replacing the actuator part only of old thermostatic valves. Surely there is an option for new complete valve replacing? Tom
  20. J

    Adding solar thermal to existing bosch combi idea.

    Hello, So I want to add a solar thermal system to my existing Worcester bosch greenstar but don't want to lose the functional benefits of the combi boiler. I'm proposing to install the solar collector on the side of the house in a position that will enable gravity flow to a 200litre tank just...

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