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  1. Tommo25

    Logic plus combi 30 scalding dhw

    Hi I have a boiler to service - ideal logic plus combi 30kw. Customer says when heating has been on for a while and they he runs the hot water the water is scalding hot. Anyone have a any ideas? I was thinking maybe thermister on flow?
  2. P

    Alpha Combi Boiler Eco 2 Plus and Thermostat.

    Please can somebody tell me what the correct settings should be for my Alpha Combi Boiler Eco 2 Plus and Thermostat. Please see the attached photograph with all my current setting. Currently, my daily electricity usage seems to be higher than normal and it just was serviced. kind Regards...
    • P. R. GRANT
    • Thread
    • alpha boiler combi combi boiler plus thermostat
    • Replies: 2
    • Forum: Boiler Advice Forum
  3. R

    Vaillant EcoTEC plus system boiler - DHW control?

    Hi there, Boiler question, but nothing that contravenes gas regs. To get to the point, the Vaillant EcoTEC Plus seems to have two knobs. One has a tap symbol, the other has a radiator symbol. Even the system boiler version of this boiler has two knobs. What I cannot make out is what purpose...
  4. Hobo128

    Sabre 25he plus problems

    I think this is a vokera. Sabre 25he plus. No dhw or Ch. Switch boiler on and boiler cycles through its light sequence, pump runs on and off and diverter moves after that I get left with solid green light and solid red light. Checked over heat stat which is ok (has continuity) checked...
  5. EvilDrPorkChop

    Vaillant EcoTec Plus 615 - F32

    Was called out to this today. Earlier in the week the boiler had leaked and the guy had an emergency plumber out who proceeded to repair the leak, replace the PCB and charge the guy £900 to then tell him the boiler isn't working and needs a new fan. It did need a new fan (They wanted to charge...
  6. M

    S53 on eco tec plus

    Hi all. I am having trouble with the boiler. The boiler works absolutely fine in central heating mode but in hot water it ramps up to temp and either goes to low burn or cuts out. Shows s53 which is temp difference across flow and return too high. The plate is fine and the diverter valve? Any...
  7. Luca

    Vaillant Combi Ecotec 824 Plus Error F.61/F.62

    Hello, My Boiler keeps blocking with those error code on display I saw somewhere it should be an issue related to the mainboard.Can anyone confirm or advise on any extra checks to do?Thanks
  8. M

    Boiler plus on oil question.

    I've been asked to quote for an oil combi which I dont do very often. What do I have to do to comply with boiler plus? Is it just fit a smart programmable stat like a nest? As obviously weather comp doesnt exist for oil does it?
  9. Christopher buzzard

    Vaillant ecotec plus 624

    Hi all. Got called to the above boiler with fault code F61. Checked wiring harness from gas valve and all was ok. Reset the boiler and it worked fine. Left it running for 20 mins coming switching it on and off, it worked every time. The only thing i did notice was the display was acting up...
  10. J

    TRV's & Boiler+ (Boiler Plus)

    Evening All! I am having a thick moment. Again. What does boiler+ say about installing TRVs when swapping a boiler? I have heard some say that you (always) need to fit TRVs when swapping a boiler. Others say that you dont now don't need TRVs with the uprated Boiler+ controls. Any thoughts? J
  11. I

    Issue with vaillant plus 630

    hey guys a customer called me up and asked me for my help on a peculiar job, he has a vaillant ecotec plus 630 which always stays on so there’s a demand even though controls are off and non of the motorised valves are sticking , he says it was installed like this from day dot. The boiler only...
  12. M

    Vaillant EcoTec Plus boiler whines until hot water is turned on and then stops

    So for a while, our boiler a Vaillant EcoTec Plus has made a whining noise, usually in the morning when it first comes on but can happen any time of the day (when on). The first time it happened I turned on a hot tap and it stopped. I have been doing this ever since, but actually, it is annoying...
  13. W

    Bunch of small jobs you want plus one you don't...

    *sigh* This bidet has a sort of integrated spray in the middle of the pan that no longer works. It looks like it's made by Swan and is pretty old. The middle control I guess work(ed) as a divertor between flow round the rim and that from the spray. The former function still works. I guess it's...
  14. A

    Vaillant 937 Ecotec Plus problem

    Hi all, Hoping someone can help... We have a 937plus about 8 years old. Some weeks ago we noticed radiators were hot but no hot water when demanded. Quick fix was to switch boiler off the back on. Our regular heating guy has diagnosed faulty diverter valve which seems logical to my very...
  15. M

    Any Ferroli optimax he plus 31 c gods on here?

    I have above boiler with A41 flashing up flow sensor disconnected. So i have checked for loose wires pcb end and sensor end. I have checked the ohms on the sensor both sides and got 11k on both that was both through the wiring loom and straight onto the connections. Which says to me that there...
  16. G

    Vaillant Ecotec plus

    Hello friends! I'm experiencing problems with my Vaillant heating system, I got an f22 error (low water pressure) and I cannot find the filling loop since there are no valves attached to it. I'll appreciate if you could help me out:)
  17. Windy

    Vaillant eco TECH plus 835

    Hi, writing up my last report for my gas portfolio and have come up against something i can't work out whilst doing the gas rate figures!! Data plate shows Hot water pnw 34kw and qnw 34.7kw (hi) manual shows gas rate norm level 3.78m3/h minimum 3.4m3/h maximum 3.97m3/h If i fudge a gas rate...
  18. J

    Language Setting Problem - Vaillant Ecotec Plus 824

    Dear All Help! My boilers settings are in Polish and the manual online has a different settings box to mine (cf picture). I have tried google translating the options that come up but none of the words translate to 'language' in English. Help greatly appreciated. Best Joan
  19. D

    Saniflow plus - Possibly serviced improperly - Not sealed properly to soil pipe

    Hi from a householder amateur! I have a saniflow plus for over 5 years. For the last 2 years it "gets blocked" about every 6 months. I then call a guy to fix it. I am aware of what should not be put in saniflow etc. For the first time - I decided to open it up and investigate. I removed...
  20. D

    Vaillant aqua plus water pressure low

    Hi, my ten plus year old Vaillant aqua plus boiler water pressure is low, however its not a conventional valve top open, I've purchased a key filling valve - below, unfortunately it doesn't fit the valve due to valve being previously opened with a flat screwdriver which has misshaped/worn out...

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