ecotec | Page 9

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ecotec

Recent contents Top users
  1. Y

    Vaillant ecotec 624 slowly losing pressure

    Hi All My Vaillant 624 has been slowly losing pressure over 2 weeks. I filled up to 1.5 bars. when the heating turned on it increased to 2.0 bars. I then noticed over a period of 2 weeks or so it has slowly dropped to 0.9 bars. There is no obvious leaks around the radiator pipes. I bled all...
  2. Y

    Vaillant ecotec 624 loses pressure slowly

    Hi All My Vaillant 624 has been slowly losing pressure over 2 weeks. I filled up to 1.5 bars. when the heating turned on it increased to 2.0 bars. I then noticed over a perios of 2 weeks or so it has slowly dropped to 0.9 bars. There is no obvious leaks around the radiator pipes. I bled all...
  3. A

    Vaillant ecotec plus installed and one freezing radiator

    Good morning, Can someone help me please? I've had my kitchen extended and was advised by my builder to buy a Vaillant ecotec plus boiler as it would be able to accomodate at least 20 radiators (I now have 7 and a heated towel rail). The plumber came in and attached a hose pipe to the radiator...
  4. F

    Vaillant Ecotec Pro 28 F28 Fault Code

    Hi, have been out to look at this earlier today. Boiler won't even go through ignition sequence..... Have checked gas supply etc. Boiler is approx. 2 years old and has apparently played up from day 1 with this fault code. Tenant usually presses reset a few times and then fires up. They have a...
  5. V

    Valiant Ecotec Pro 24 F75 Fault

    Been having problems with the pressure in my boiler for months now, it dropped at least once a day and I was constantly adding pressure to get the heating and hot water on. Then came the F75 fault, the manual diagnosed water pressure sensor, pump defective, air in the heating system or too...
  6. C

    Vaillant ecoTEC pro 24 - New PCB, F70, can't enter menu to enter #7 DSN ?

    Hi all I've just had a friend who is GS reg drop over and fit a new PCB for me due to an intermittent fault with the old. He told me it would throw up a fault code as I drove him to Heathrow to catch his flight that he was late for. I don't have a manual and can't seem to find the correct one...
  7. B

    Vaillant ecotec flue bend

    Any Vaillant guys on here? need a flue elbow for a 6 year old ecotec,will part number 303910 fit?Leo?
  8. I

    Vaillant ecoTec 831 Plus and Nest - Flow Temperature

    So, recently had the Vaillant 350f thermostat replaced with a Nest and I'm left with a problem I can't wrap my head around. Boiler is Vaillant ecoTec 831 Plus and is only a couple of years old. With the Vaillant thermostat, the flow temperature would vary based on room temp vs set temp, but...
  9. J

    Vaillant ecotec plus 824 r1

    I have a few questions regarding common issues on the 824 r1 Expansion v flat so re charged n holding Flow hot n returns good It has the rubber hose at both rear ends Is the vaillant with main heat exchanger issues and was there a fix for the rubber hose or is this down to the owner as they...
  10. E

    Vaillant ecoTEC plus 831 gc 47.044.32

    F .61 fault says poss gas valve control faulty amongst other things any advice on most common problem please
  11. P

    Vaillant Ecotec - F01 & F04 faults

    Hi Guys, I have had a couple of people with the ignition fault codes showing up on Vaillant system and open-vent boilers one was repaired under warranty but the other is on the older ecotec open-vent boiler. My question is what do i need to look for if the ignition probes & leads are fine...
  12. D

    Third Generation Nest Heat Link installation to a Vaillant Ecotec Pro 30

    All, I know there are a lot of threads on this forum, on a number of other forums and also videos on YouTube but I have found little information on this specific install and the information I have found has been confusing and sometimes contradictory. I have just had a Vaillant Ecotec Pro 30...
  13. K

    Vaillant Ecotec F.75

    Got to go to one of these tomorrow and can't for the life of me remember what it was last time round but took ages I recall. Any pointers gents? Cheers
  14. jaydebruyne

    Ecotec Plus 824 combi

    How do the side panels come off? Sorry for stupid question! Just don't look like they do but I thought they did
  15. jaydebruyne

    Vaillant EcoTec Plus 428

    It's not going above 42 degrees. Burners on. Have checked thermostat and it's working fine. It ramps up every now and temp goes to 65 degrees for about 10 seconds and then ramps straight back down and temp goes back to 42...???? Didn't go as far as to check the thermistor as it was bloody late...
  16. jaydebruyne

    Vaillant ecotec Plus 428

    It's not going above 42 degrees. Burners on. Have checked thermostat and it's working fine. It ramps up every now and temp goes to 50 odd and then ramps straight back down and temp goes back to 42...????
  17. M

    Connecting 3rd gen nest to vailliant 838 ecotec plus

    Hi I am new to this and not sure how to put up a pic without it saying denied.I am unsure how to connect the nest heat link to this combi. Any advise would be great
  18. G

    vaillant ecotec plus 831 not responding to p tests

    can't test the boiler in full rate as when selected it doesn't respond, doesn't respond to anything in the p menu board fault i presume. going back tomorrow, anyone had this before?
  19. B

    Strange brown water marks on my white plastic cover vaillant ecotec plus 838

    HI everyone Had my new boiler about 4 months... it's a vaillant ecotec plus 838... Today I noticed some browning on the white plastic cover looks like could be water marks... or some sort of lacker issue... Anyone seen something like this before?
    • Buysite450
    • Thread
    • ecotec plastic plus vaillant water
    • Replies: 1
    • Forum: Bathroom Advice
  20. C

    vaillant ecotec plus 630

    Hi i have installed one of these into a large, does this boiler have frost protection built in. or do i need to buy a external stat. If one is built in does it just run its self as long as boiler is on . or does heating hot water have to be on cont on the programer thanks
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