ecotec | Page 10

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ecotec

Recent contents Top users
  1. S

    Vaillant ecoTEC Plus 624 with VRC470f to HIVE?

    Hello all, I am really hoping for some help and advice on a little predicament i find myself in. 2 years back we moved into the house, i ripped the pre-historic heating system out and with the help of my brother we fitted a new system adopting the 624 with two zones, Upstairs and Down...
  2. B

    Vaillant Vsmart Wiring on ecotec plus 831

    Hi Vaillant have confirmed the Vsmart unit will work with the older 831 Combi.. but the wiring instructions for the ebus do not match the terninals in the boiler. Has anyone fitted a vsmart unit to an 831 combi. What terminals should it be wired to? 3 and 4 without bridge?? Thanks Bob
  3. M

    How to switch comfort mode off on a Valliant ecoTec pro28

    How to switch comfort mode off on a Valliant ecoTec pro28. only found instructions on how to do it on different models and not this one. Please see attachment. I have the following buttons: turn off flame, Info, - (minus), and +(plus). Thanks you.
  4. S

    Vaillant ecotec VU 1206/5-5 F29 fault

    Hi guys, Hoping one of you may be able to tell me something I've missed. Bank of 5 boilers, 3 out of 5 showing fault. All were serviced in the summer and were working fine. Until now. In summer boilers had full strip, new electrodes, gaskets, ionisation. All 5 then fired and tested after...
  5. S

    Frost stat for Vaillant Ecotec pro 28 combi

    Hi Guys, I have a combi Vaillant Ecotec pro 28 boiler in my kitchen. I have just added a rad in my garage and have been advised to add a Honeywell frost stat in the garage to be wired up to the boiler. I have also been advised to add a pipe stat to be wired in series to the frost stat but...
  6. C

    Valiant ecotec 831+ combi/ Honeywell wireless programmer

    I could do with advice in exactly what connection terminals to connect to on the 831 PCB, I'm OK regarding live neutral and earth from the programmers relay which is a bdr 91 but it's the switching part of connecting to the PCB I'm unsure of. ie do I connect to the 24volt after removing the link...
  7. sammathias

    Vailliant ecotec pro 28 low gas rate

    Alright guys, just a quick one. Fitted a vailliant ecotec pro 28 today and upon commissioning the gas rate was slightly lower than 10% of the nominal, which baffled me because ive probably fitted 20 of these boilers and they have all been within range. All of my other checks where fine so i was...
  8. sammathias

    Vailliant ecotec pro 28 LOW GAS RATE.

    Alright guys, just a quick one. Fitted a vailliant ecotec pro 28 today and upon commissioning the gas rate was slightly lower than 10% of the nominal, which baffled me because ive probably fitted 20 of these boilers and they have all been within range. All of my other checks where fine so i...
  9. Y

    Vaillant Ecotec Plus 624 question- only radiator sign comes up

    Dear All I recently had the above Vaillant stem boiler with megaflo system installed. I have 2 issues if someone could please kindly help: 1. When I check the control panel no hot water tap symbol appears. Only the radiator symbol even when hot water is switched on. Is this normal or do I...
  10. L

    Ecotec plus 824 r1

    Hi chaps Have one of these that builds temp within 30 secs and cuts out in heating or hot water. Vaillant have told her she needs a flush but the rads are brand new and the water looks like drinking water. Don't think a flush will cure it. Wondered if anyone has come across the same...
  11. R

    Elnur CMX15 electric boiler vs Vailant Ecotec pro28?Hi

    Hi everyone, i really need one of your expertise to clear something up! which is more powerful out the two? Obviously the electric is 15Kw maximum and the gas is 28Kw but I have read that electric is 100% efficient and gas combi can vary? i have a three bedroom semi and want to ditch the old...
    • Richie_C
    • Thread
    • boiler ecotec electric
    • Replies: 10
    • Forum: Boilers
  12. S

    External filling loop of Vaillant Ecotec pro appears not working

    Hello everybody! I rent a house with a Vaillant Ecotec pro combi boiler installed. I live in Brussels, not UK. Last year I had low pressure up to the point the boiler stopped working and saw the F.22 message. I searched my way through the Internet and found that I had to refill the boiler using...
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