ecotech

  1. eveares

    Vaillant Ecotec 937 plus - Flu fan constantly on, LCD dead, No heating or hot water - Common fault or not?

    Had a short power cut earlier and when the power came back on, it looks like my Vaillant Ecotec 937 plus boiler died. My educated guess is either when the power went out or when the power came back on, the PCB on my boiler died, as now it is completely unresponsive (LCD dead, no heating or hot...
  2. M

    Valiant ecoTECH plus 825 boiler flue

    Have family members currently putting up a conservatory for me. Last week I noticed the boiler flue inside the conservatory. When I queried it, they told me they were putting attachments on so it comes out of the side.... I have queried 2 gas engineers who haven't been very helpful. Just...
  3. Sarahstuck

    Ecotech 835

    Hello newbie here I wonder if anyone could help me, our boiler worked fine for about 18 months. Then it stop coming on and going off on the scheduled times. on Automatic it does not come off or go on. so I have to manually set the temp to come on and below 30 to turn off when I have had...
  4. N

    Vaillant boiler timer

    Can anyone please help. I'm brand new to this forum so please bear with me. I have moved house and there's a vaillant ecotech pro 28 boiler with the old style (hands and pins) clock dial. It seems the clock is running slow and losing around 30 mins per day. What can I do please?
  5. S

    S-Plan with no Bypass

    Hi Great forum btw! I have a Vaillant EcoTech 418, S-Plan system, 2 zones (HW unvented cylinder + CH), installed 1 year ago. Standard 3 speed Grundfos pump. The system seems to work, but boiler periodically (say once a month) cuts out with error F72... "Flow and/or return NTC fault". I've now...
  6. A

    Vaillant ecoTEC plus shuts down with Low Water Pressure

    Hi Folks, Moved into a new house 3 weeks ago (not a new build). Previous owners had a Oil to Gas conversion done 2 years ago this week. Copper cylinder has been removed and a Vaillant ecoTEC plus gas combi boiler fitted. When we moved in 3 weeks ago the previous owners left a note saying "Water...
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