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  1. P

    Turbomax Starts Up When Cold Tap Turned Off

    I have a Vaillant Turbomax Plus combi of 2004 vintage. When a cold tap is used nothing happens to the boiler, but as soon as the cold tap is turned off, the boiler starts up for a short time. The hot water demand lights up and the fan (maybe also pump??) runs, but the boiler doesn't get as far...
  2. S

    Intermittent problem - Vaillant Turbomax

    Hope you can help with this one. Its an intermittent problem, which makes spot diagnosis by an engineer very challenging. Two heating engineers have already attended, and not fixed. The first one was a Vaillant specialist who advised that I ring Vaillant to use their fixed price service. The...
  3. G

    intermittent F22 error on turbomax combi boiler

    Hello everyone, I'm very puzzled with an error I have on my turbomax plus 824E, I would really appreciate if you could share your thoughts. I'm looking for a plumber or gas engineer advice. I have an intermittent F22 error. The pressure is around 1.4bar. The pump seems to be rotating ok...
    • goodguy1206
    • Thread
    • boiler color combi combi boiler engineer error f22 intermittent looking oil plumber turbomax
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  4. A

    Valiant turbomax 824 no hot water possible diverter valve

    Hi I have a valiant turbomax 824e that is not producing hot water for the taps. The central heating works fine, but if I have the CH on or off the hot water doesn't work reliably. It will sometimes fire up and produce some hot water for about 10/20 seconds but very rarely does really hot come...
  5. J

    Vaillant Turbomax 282

    How would you call this? Doing a safety check, this the only gas appliance and a tenants own cooker. Working pressure at meter 19.12 mbar. WP at boiler 14.12 mbar. Gas rate good, FGA boiler aswell an readings are fine. I'd say the carcass, 22mm off meter to bedroom then across to...
  6. M

    low operating pressure on Turbomax pro

    Hi, I went to service a valiant turbomax pro 28, gas rated it using hot tap got 17.5 then checked operating pressure at the boiler and only got 12.3 mbar and 20.47 at the meter, checked the pipework and found it under sized, 20m of 22 to the boiler and hob then a further 20m of 15 to a fire...
  7. T

    Vaillant Turbomax 837e

    'morning all! Finally got round to reconnecting my turboMAX in the office (now being used as a system boiler until it breaks or a "free" boiler comes up!) but have lost the gas cock for it! It's specific to the 837e due to larger bore, could anybody keep half an eye out if ripping any out...
  8. J

    Turbomax 828 e kttling

    I have issue with a boiler which I'm going to repair and we wondering if any one has had the same problem n what solved it. It's kettling hen stating up heating for about five minutes untill it warms up the unsecured sweet as a nut and on hot water seems a lot less noisy.I would be incline to...
  9. S

    Vaillant TurboMax Plus Boiler Issue - Fan not working

    This week my boiler failed giving an S.33 message "Check air/flue system" message. My plumber came around and identified the problem as a failed fan. I had my old fan handy (I replaced it 4 years ago due to it becoming noisey). He fitted that and all was well. However, when I next tried the...
    • Searcher2
    • Thread
    • boiler could engineer fan issue not working oil plumber plus problem turbomax vaillant working
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  10. S

    Turbomax VUW GB 242 E - Flow switch not engaging heating

    Hi all, I have a Turbomax GB 242E boiler, which provides instant hot water. The way it seems to work is that there is a water switch that detects flow of domestic hot water, which then causes the hot water to be heated (it's a bit more complicated than that but deliberately kept it simple for...
  11. D

    Turbomax problem

    Hi, went to boiler today no hw or htg. Fan and pump running , no odd noises etc but no ignition. Took combustion case off, boiler works, checked aps tubes etc nothing untoward. Put it back together, no joy. Noted quite an amount of cobwebs in the air intake, cleaned them out and boiler works...
  12. D

    Vaillant turbomax strange noise

    Hi, Now reposted after registering. Can anyone give me an idea what is causing this problem? CH and DHW both start normally, but after about 20 seconds after the burner has ignited it makes this load noise. Sounds a bit like a airplane flying over! Edit: when it's just central...
    • deathruddles
    • Thread
    • after boiler burner cheers engineer noise strange turbomax vaillant
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  13. D

    Vaillant turbomax strange noise

    Hi, Can anyone give me an idea what is causing this problem? CH and DHW both start normally, but after about 20 seconds after the burner has ignited it makes this load noise. Sounds a bit like a airplane flying over! Then the temp on the gauge very quickly rises and the burner shuts...
    • Deathruddles
    • Thread
    • boiler burner engineer noise seals still strange turbomax vaillant
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  14. gassafe

    Turbomax crazy buzzing!

    My bros trusty old vaillant turbomax (black fascia green dial type) has started to play up! It's developed a crazy buzzing fault & wont ignite, fan is running okay... when it's doing the crazy loud vibrating buzz it's coming from the gas valve, the spares parts code lists this item & calls it...
  15. J

    Vaillant turbomax plus 824e

    Hey guys, hope everyone is well, got the boiler named above to go look at "heating working fine but no hot water" the light doesnt change over and flash when hot tap opened up. found a manual online and having a look but doesnt have much on fault finding in it and havn't been out to this...
  16. P

    Where Is The Cold Water In Filter On Turbomax Plus?

    I've recently done some plumbing work on my house, and I think some debris may have got into the boiler as hot water flow is slower. Cold taps are fine. Research leads me to the filter on the incoming cold side of boiler, but I can't see anywhere that tells me where it is. Can anyone give me a...
  17. N

    Vaillant turbomax 837E Luke warm water not dhex

    Help me please guys. Diagnosed this boiler as blocked dhex, changed but still same problem. Water runs like warm, boiler Temp shows 45 even though control on Max. When demand is turned off, it jumps to 70 before pump switches off. Tried reducing cold water pressure onto boiler, still...
  18. P

    Vaillant Turbomax diverter valve.

    Is there a special way of getting the actuator push rod to connect with the diverter valve spindle. I recently replace a diverter valve which came as 2 seperate parts, it took me over an hour to get the push rod to capture the spindle on the diverter body. The valve just kept getting stuck in...
  19. A

    Turbomax PEX

    Going to a Turbomax on Friday, expected PEX issues, cutting on and off on HW. Prob around 12ish years old. If i'm stripping this out for a look, should it come out easy enough? And are the seals likely to leak once re-assembled? Just checking/pricing repair for letting agents. Don't want to end...
  20. B

    Vaillant Turbomax - Problems setting heating timer

    I'm having great difficulty setting the heating to come on and off using the timer on this boiler. I have looked online for manuals/instructions how to do it but to no avail. I basically want the heating to come on at 6:30am and go off at 7:30am every morning but I just cant get it to set...
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