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junior

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  1. 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...
  2. 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
  3. 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...
  4. M

    worcester 28i junior not firing

    Got called to service above boiler only to find red light flashing with fault. Asked for MI, none in there. Reset it nothing both in CH and DHW. Looked at pressure gauge less then 1 bar so topped it up to 1.5 and reset nothing. Fan going on fine whenever there is a call for heat and the...
  5. R

    greenstar 24i junior lockout

    Hopefully somebody will be able to throw a few suggestions my way. Worcester g star 24i junior. Flashing for ignition lockout everything seems ok except getting 6vdc out of pcb to gas valve should be 35 according to the manual. Checked transformer 46 ohms across the 2 pins and continuity...
  6. R

    Boilers to clear - Glowworm 18 SX & Worcs 24i Junior

    Hi All We have discovered a couple of boilers with problems that can't be sold as new, but may be of interest to a bargain hunter who doesn't mind putting a bit of effort in. The Glowworm Flexicom 18 SX system boiler has been hung on a wall, but not used. The template is torn and scruffy, the...
    • Ray Stafford
    • Thread
    • boilers glowworm junior
    • Replies: 2
    • Forum: Boilers
  7. F

    greenstar 28i junior water leak

    Hi all ,wanting some urgent help if possible. Came home today to find my boiler dripping water (greenstar 28i junior) .I have removed the cover and dropped down the control flap and can see that water is coming out from a black plastic manifold ? situated on the right hand side right at the back...
    • fencehouses
    • Thread
    • greenstar junior leak water
    • Replies: 2
    • Forum: Bathroom Advice
  8. N

    28i Junior modulating in minimum mode

    Hi all, Was wondering if anyone had come across this before or might know what the problem is. Trying to adjust the air gas ratio on a 28i junior. Put it in service mode. Turn the dial to maximum. Boiler goes to full output. Adjust the valve to get the reading I need. All good. Then turn down...
  9. T

    Many issues with Worcester green star 28i junior condensing combi - kindly help!!

    I have far too many issues with my boiler. Sorry if this is too long. (I) I have to refill every morning due to the needle on the gauge staying on red(0) when I wake up (ii) sometimes the heating works fine but sometimes only the two radiator nearest to the boiler gets hot and the other 8 in...
  10. Z

    Worcestor 28i junior pump/pump housing

    Pm if interested
  11. D

    worcester 28i junior

    hi guys got called out to this non- condens junior today , cust says it keeps locking out . when i got there i reset it and it all worked perfectly in hw and htg. hadnt got time to get too involved . cust says it stays on for an hour or 2 and then locks out. checked the flue was ok and gas wp...
  12. C

    Junior Plumber/DEI looking for work in Essex and East London - has JIB card

    Hi. I've completed my City & Guilds Level 2 NVQ in Plumbing and Heating 6189 and have recently got my JIB card through. I've also done the BPEC Vented & Unvented Water Systems certification too. As an add-on I thought it might be useful to have some electrical knowledge under my belt as well so...
  13. A

    Central heating not working but hot water does, worcester 28i junior

    my boiler has started playing up again. tried using the cnetral heating today and for the first few seconds everything seems ok. you can hear the boiler starting to heat up the water and pump it through then all of a sudden starts makeing a clunking noise and flashing light comes on. I took the...
    • ajsoad
    • Thread
    • central central heating heating hot water junior water worcester
    • Replies: 10
    • Forum: Central Heating Forum
  14. T

    Worc greenstar 24i junior intermittent timer fault

    Heya guys Got a bit of a head scratcher here, I serviced this 24i Junior GS a couple of weeks back. It was fine no probs. A chapel owns the boiler and they have been having some issues with the timing. They have a dt20 + wireless stat, I believe its one of the older ones as the room stat does...
  15. MZR

    greenstar 28i junior

    hey all the above boiler has a slow flashing blue light and the red error light flashing, the pump and fan run and i have lifted the spark electrode plate on the board slightly and i can hear it spark, the power on the gas valve is 35 volts dc and manometer does not drop at all this tells me...
  16. J

    Worcester Greenstar junior 28i - No water or CH

    Hi, I'm new to this and before I start, I've got a gas safe engineer coming out tomorrow, but I'd appreciate any advice so I know I'm not being messed about. At the weekend I noticed that boiler water pressure read 0 after the heating did not come on in the evening. I then repressurised system...
    • JimNutt21
    • Thread
    • greenstar junior water worcester
    • Replies: 6
    • Forum: Bathroom Advice
  17. M

    Radiators warm only - Worcester Bosch Greenstar 28i Junior boiler

    Hi, I recently moved into a new home and the radiators don't seem to be getting hot enough particularly in the living room. The radiators above the kitchen where the boiler is installed do seem to get hotter than most but those in the living room (other side of house) and the hallway seem...
    • matt-the-plumb
    • Thread
    • boiler bosch greenstar junior radiators worcester worcester bosch
    • Replies: 0
    • Forum: Boilers
  18. J

    Worcester 24i Junior RSF problem

    Hi all, Just wondering if anyone can shed some light to this. Having problem with hot water on this boiler, whenever the heating on for a while, hot water stop working but when heating is not on long enough hot water is fine. Tested all the components as per MI fault finding schematic...
  19. K

    Help with worcester 28i junior boiler

    Hi new to the forum and have been well impressed with what I have seen so far Worcester 28i junior boiler have a couple of problems with this boiler. 1. Keeps losing pressure, repressurise and within 24 hrs the pressure drops to virtually zero, have checked for leaks none found anybody any...
    • ken b
    • Thread
    • boiler junior worcester
    • Replies: 9
    • Forum: Boilers
  20. S

    Worcester junior 24i combi

    Hi new to forum been plumbing for over 30 yrs for my sins! and back on the tools after a number of years behind a desk supervising! i presume this question has been asked and answered on numerous occasions but i have a problem with the 24i combi in that it sparks but no ignition! After doing...
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