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junior

  1. R

    worcester 24i junior

    Does anyone know what pressure the fan on a worcester 24i junior should be producing if i put my monometer on the venturi?
  2. G

    Poor flame when internal cover fitted on Worcester junior 28i

    Hi, this is my first time on a forum so hopefully will get to the bottom of this. I'll do my best to keep this straight to the point; 1. Boiler kept locking out after about 30 mins of central heating. 2. About 4 weeks later boiler cut out and would not reset. 3. Found APS hose connections...
  3. K

    Worcester junior 24i

    Getting pressure loss on this boiler ( at my caravan) Pressure on gauge is going to over 3.5bar, then at some point must be dumping through PRV, still monitoring it, why is PRV not releasing earlier and what's causing pressure to climb that high in the first place, filling loop is closed Ta
  4. E

    Worcester I junior 28

    H/W won't work unless heating on changed flow switch on info from WB tech still same problem If you run hw without heating on boiler goes in to rapid flashing red light but it is random sometimes it works Help please
  5. Z

    Strange greenstar 28i junior fault

    Customer complaining heating would only stay on for 10 mins. Boiler fired for ht/hw and worked fine. Pressure would rise to over 2 bar and the burner would knock itself off. No lockout. Thermistors in range. Expansion vessel ok and flexi connecting it. Pump ok. Heres the strange part , the...
  6. Kewat66

    Worcester Greenstar Junior 28i issue

    Hi All, I had look at at Worcester Greenstar Junior 28i today that stopped working. Boiler wasn't producing any heat or hot water. When assessing the problem a strong smell off gas was found coming from the gas valve. The reset button was flashing 1 per second. The boiler was trying to function...
  7. B

    worcester 24i junior not greenstar wont fire up

    hi guys i went to a customers today to have a look at her boiler. when i arrived the boiler was not firing up no fan spin or anything. i removed the red pipe off the venture and made pressure to ap switch the boiler fired up. and run fine until i let the pressure out of the pipe. i have not...
    • bawsdogg
    • Thread
    • fire greenstar junior worcester
    • Replies: 2
    • Forum: UK Plumbers Forums
  8. Kewat66

    Worcester Junior Issue

    Hi All, Just looking at a problem on a Worcester Junior combi. It's a junior. The pressure sits just under 1 bar. The boiler seems to work if no heating is on, so the hot water works, I have turned the heating off. If the heating comes on, the boiler builds up pressure going up to about 1.5...
  9. Kewat66

    Worcester Junior Issue

    Hi All, Just looking at a problem on a Worcester Junior combi. It's a junior. The pressure sits just under 1 bar. The boiler seems to work if no heating is on, so the hot water works, I have turned the heating off. If the heating comes on, the boiler builds up pressure going up to about 1.5 bar...
  10. Z

    Fitting new seal. Worcestor 28i junior

    Any tips for this? Had a nightmare today changing electrodes fitted the new seal and it took me ages to get the fan back due to the thickness of the new seal!
  11. M

    Worcester 28i junior

    Good evening and hello everyone. Not posted for a while. But here we go - so the boiler fires ok heat and DHW all fine for a while then the burner goes out and red fault light blinks once a second. When pressed reset for 5 secs it blinks even faster, about 4/5 a second. Oh the pressure gauge...
  12. M

    Worcester Junior 24i Fan fault

    Went to one of these today. Sequence went: Demand > Pump > Dead, light flashing slow. Getting 240v at the fan during this sequence. Went off to get a fan. Came back, fitted it. Now I get: Demand > Pump > Fan... No ignition. Took the + pipe off the fan and blew into it. APS clicks and it fires...
  13. J

    what the best way to change a worcester junior greenstar 24i prv

    seen one today and have to change it in the next couple of days. any idea's on the best way to do it. dont really want to take the whole hydroblck out which worcester tech suggested. blinking stupid place to put it. taking out the return to the boiler to get a bit more space should make it a...
    • julesverne
    • Thread
    • greenstar junior worcester
    • Replies: 29
    • Forum: UK Plumbers Forums
  14. M

    greenstar 24i junior not working

    worcestor 24i greenstar junior combi. Hi, My greenstar went on the blink just as I arrived home from holiday. I Tested the expansion vessel only to find that it had failed (water coming out of the valve when depressed.) I replaced this by fitting an external 8 ltr expansion vessel from...
  15. O

    Problem repressurising a Worcester 28i Junior Boiler

    Hi everyone, I've got a little problem with my boiler and any advice would be absolutely brilliant. I recently noticed that my hot water was cutting out when I showered and I think the problem is that my boiler needs repressurising. I went on the Worcester website and found a video which takes...
  16. P

    No central heating after Worcester 24i Junior service

    I had my combi boiler serviced in June. I had to call the engineer back the next day because he left me without hot water. He came and fiddled for two minutes with something under the base of the boiler - and my hot water was restored. Now with the cold weather approaching I've just tried...
    • podgert
    • Thread
    • central central heating heating junior service worcester
    • Replies: 3
    • Forum: Central Heating Forum
  17. M

    Worcester 24i Junior

    Hi lads, At a call out on the above boiler, pressure guage stuck (to be replaced) Hot water was OK before I started, CH would come on for about 20 secs then go off, checked pump etc, what I did notice is the pump kept powering on and off within seconds constantly on and off Even with demand...
  18. GQuigley67

    24i Junior problem(SE)

    got a problem with this boiler, nothing is operating whatsoever and its flashin red around once per minute. I'm the 3rd guy to have a look at it, its for my auntie's tenant. First guy changed gas valve, 2nd guy changed PCB still the same. I have tested the water pressure switch with my...
  19. J

    worcester junior 24 no central heating

    Morning guys hoping for some advice on a problem I've got with a Worcester junior 24 had the heating off whilst we've had great weather got hot water perfect turn the tap straight away, however turned the heating on via the thermostat unit clicks the boiler goes through the usual noises the fan...
    • jone1303
    • Thread
    • central central heating heating junior worcester
    • Replies: 6
    • Forum: Central Heating Forum
  20. P

    28i greenstar junior lockout

    A bit of advice needed please ,been to look at a greenstar 28i junior & it is locking out in heating mode only ..hot water mode is fine . Flue is ok , condense pipe is clear ,inlet pressure is good 22mb & getting a 2.5mb drop when running at full load ... It runs for about a minute or 2 then...

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