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junior

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  1. A

    Worcester 24i junior greenstar

    Called to this one today. Fan and pump running then fault code. Blue light is: Slow flash (normally off, flashes on) reset button flashing and then Ignition lockout. Would love to know best way of testing electrodes and which pins on the gas valve you test? Or what else can cause this...
  2. R

    Worcester 28i Junior fault (non greenstar)

    Been out to this boiler today, I've done all the checks and resistances of everything are within limits and everything is pointing towards the PCB and i'm 90% sure its the problem. Just thought I'd check here though as I hate diagnosing PCBs for intermittent faults and I've not come across this...
  3. D

    worchester junior combi boiler heating not working

    My combi boiler central heating isn't heating up although the hot water is working fine. - I've power flushed the system, now nice and clean except for at the boiler. - bleed all the 7 radiators and at the pump. - the thermostate clicks when I turn the temp up - the water still works fine -...
    • dholi85
    • Thread
    • boiler combi combi boiler heating junior
    • Replies: 15
    • Forum: Boilers
  4. G

    Worcester bosch 24i junior boiler losing signal any ideas?

    We have a 6 year old Worcester Greenstar 24i Junior boiler. Recently the signal between the receiver on the boiler and the roomstat in the living room is ittermittently beign lost, it can go a couple of days working fine, then say on on evening if we increase the temp on the roomstat the signal...
    • gibson033
    • Thread
    • boiler bosch junior worcester worcester bosch
    • Replies: 7
    • Forum: Boilers
  5. C

    Worcester Bosch 24i Junior emitting high emissions

    Hi Guys, I'm new on here, and would really appreciate any advice. We have a W/Bosch 24i Junior boiler installed, its approx 7years old and so had it serviced last week from a W/Bosch engineer, he said all is working fine. So on the weekend we had the gas inspection done and hesr informed us...
  6. F

    28i Junior Flow Unit

    Anyone changed a flow unit on a 28i before, been called out to a leak which has been running for over 2 days. In two minds whether to refer landlord to Worcester as looks like a pain in the arse to do, plus I'm concerned electrical components may be damaged. Any thoughts?
  7. G

    Greenstar 28i Junior pressure problem

    Attended the above 5 year old boiler for annual service. Cleaned through the magna booster and brought pressure back upto 1.5bar and left boiler on as elderly customer feeling the cold. Went on to service fire and as I went to turn boiler off to gas rate fire, noticed pressure was up at 2.5bar...
  8. S

    Worcester bosch 24 junior combi manual

    Has anybody got a manual on pdf for a worcester junior 24i non condensing combi? I need it for the electrician to wire a wireless thermostat? cheers Paul:6:
  9. C

    Worcester Bosch 28i Junior Condensing Combi Boiler

    Hi I am after a bit of advice with regards to getting a replacement boiler fitted & wondered if you could help We currently have a Baxi Genesis 80 Combi boiler in a 2 bedroom, 1 bathroom terraced house with 6 radiators, and were looking for a direct Combi boiler replacement. We have got a...
    • ChrisUK
    • Thread
    • boiler bosch combi combi boiler junior worcester worcester bosch
    • Replies: 11
    • Forum: Boilers
  10. B

    worcester junior

    faulty on on off switch faulty,customer says, just wondering is it part of pcb,i can't recall from memory ,moneys on,it is.
  11. leelister6

    PRV on W/B Greenstar 28i Junior

    Got a customer with a constantly leaking PRV. Just had a look through the manual and it says the hydraulic block has to be removed to replace! Has anyone done one of these and can it be changed without stripping half the boiler out?!
  12. E

    worcester junior air vent clogged up

    got a clogged up air vent that needs changing but boiler will not drain due to this. Whats the best way without making a mess???
  13. S

    Worcester Bosch 24i Greenstar Junior Presuure Vessel Problems ???

    Hi all usual symptoms; Pressure ok when central heating off, shoots up to 3 bar when central heating on with usual water out of external pressure releif pipe! Been told its Expansion Vessel that has failed! Trouble is on Worcester Bosch 23i Greenstar Juniour, expansion vessel is part of...
  14. G

    Greenstar 24i junior fan problem

    The boiler fires up fine to the point where there is a demand for dhw. Then the fan stops and starts constantly. Water still warms up. I have replaced the primary sensor on the heat exchanger. Any ideas?
  15. R

    worcester greenstar junior 24i fault on HW

    Ive got a worcester junior 24i and the hot water starts fine then just runs cold after a while youve also got to have the bath tap just cracked open for the water to stay hot any ideas thanks
  16. mvrobb

    Worcester Junior vertical flue

    Im having deep deep deep discussions with an architect about flues from a new boiler. He wishes to take the flue up thru' the attic and out through a ridge vent. I prefer it to go out the wall of the kitchen. Q: Can a Junior 28 flue be terminated via a ridge vent. My belief was that it couldnt...
  17. A

    Worcester 28i Junior pre 2007 model - Central heating overheating ?

    Hi there, Recently I have noticed my central heating is warmer than usual (the dial on boiler is set approx 3/4 high). Last night the boiler was on a while all rads reached a red hot temp then the boiler stated making horrendous noises, like it was boiling itself literally! I switched it off...
    • allallyouyou
    • Thread
    • central central heating heating junior worcester
    • Replies: 2
    • Forum: Central Heating Forum
  18. S

    Worcester Bosch 28i Junior Boiler problem

    Having trouble with my Worcester Bosch 28i Junior. Got up yesterday and the red warning light was flashing, followed the instructions to reset it and got it working again, topped it up with some water too as the pressure was just below 1 bar. Got up this morning to a cold house, the red light...
    • simonbuk
    • Thread
    • boiler bosch junior worcester worcester bosch
    • Replies: 3
    • Forum: Boilers
  19. S

    Worcester 28i junior

    Hi all, came across this boiler whilst installing s rad. The house has been extended many times and there are now There are 15 rads on the system, 6 of those are doubles and an average 1200 long by 600 high. They all get hot and the boiler condenses well but I would have thought that the...
  20. H

    worcester bosch combi 28i junior.

    hi, today I fixed a worcester bosch combi 28i junior. There was a problem with the pressure fixed by fitting an external pressure vessel and it has sorted the pressure which stays at 1.5. Today, however, the heating goes on fine but when it reaches the temp set by the thermostat on the boiler...
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