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  1. D

    Vaillant ecoTec Plus 418 D0 Setting

    Could anyone please provide an idiots guide how to change the D0 setting on my boiler. When I open the panel I'm faced with four buttons Bottom two + and - top two - -. That would be a great starting point. My D0 setting is apparently D00 (auto) and to cut a long story short, my boiler has...
  2. B

    Valliant Turbomax Plus boiler

    Hi everyone sorry its my 1st post and to start to beg for info straight away but really have problem with boiler, It comes on when its not supposed to, out side of its program in odd times, had 2 different plumbers come to fix it but still not fixed, one plumber changed the gas valve this do...
  3. S

    Vaillant Ecotec Plus 824 problem

    Just serviced a Vaillant Ecotec Plus 824 and after putting all back together and filling up got some issues. The burner keeps modulating between high and low ever few seconds when running hot water. I checked the inlet pressure and all is within parameters per MI. Heating came on for few...
  4. C

    Ideal logic plus and halo room stat, check serial number first

    morning as told by my local ideal rep if the boiler has a serial number earlier that AFQ meaning it was manufactured on June 2019 or before you will be unable to use/bind the new Halo combi stat
  5. V

    Boiler plus conformity

    Hi everyone. I'm only just qualified and have been asked to install a replacement boiler in a maintenance yard. There is a pre existing Building management system with zone thermostats linked to electronically operated trv's on ceiling hung radient panels, which are, in some areas, linked to...
  6. B

    Is powerflush really any better than chemical plus mains flush? (before boiler repair)

    Hello, BEFORE I cleaned the system last year with a mains flush. There was a little inky stuff and a bit of sludge at the very end when I emptied out the rad I took off the wall, but no rads have ever had cold patches. Most pipes are hep20 but I had small section replaced by copper 2 years ago...
  7. E

    Vaillant ecoTEC plus 824 actuator motor cycling

    Hi, as title says the actuator motor keeps cycling and sounds like the gears slipping. The pump is running freely and the diverter valve is running free. I have seperated the motor from the diverter valve and extended the motor piston. On powering up the boiler the piston retracts but then goes...
  8. A

    vailant plus 630 R1

    can someone clarify for me pls. I have a vailant plus 630 R1. Approx 18 years. Clean as a whistle as recently had power flush inc chems so know all is clean and well. Despite setting the rad temp to say 75*, it rarely if ever runs to that temp. it’s generally max at 60* and as low as 50*...
  9. R

    Promax Combi HE Plus recharge expansion valve

    Hi all, a little advice and validation of current advice (from dad). So boiler has been loosing pressure with an error code of E119. The pressure drops over a day or two and I top it up to around 1.5 by means of loop. This temporarily allows the boiler to fire up and do its thing. I can't carry...
  10. K

    Ecotec plus losing water?

    Hi guys, any ideas on my pressure problem? Friends boiler keeps loosing pressure, went out today to check the usual suspects (expansion,prv,system leaks, heat exchanger) but didn't find any issues. stopped for a chat for about an hour and checked system pressure when boiler was up to temp - all...
  11. plumb_know

    Eco tec plus combi

    Done service on eco tec plus - all working on leaving. Next evening get a call to say now F70 & F42 fault codes coming up. Which say incorrect part fitted or not set up, only thing I replaced was combustion door gasket. Apart from that just gave it clean and done safety checks as normal...
  12. D

    New Boiler Stop/Start Loud Vibration - Valiant Ecotec Plus 615

    Hi all, Looking for some advice on a new Valiant Ecotec Plus 615 boiler, fitted a few weeks ago. It makes an on/off vibration shown in the video link below, and is loud enough for me to hear easily in the living room (I live in a 2 bedroom apartment and my boiler is in the bedroom). Our old...
    • Danny145
    • Thread
    • boiler ecotec new boiler plus
    • Replies: 6
    • Forum: Boilers
  13. C

    Ecotec plus boiler with VR66 gives code s97

    I have mounted a VR66 wiring centre in dual zone (switch in position 0) with two VRT350 thermostats. The heater is an Vaillant Ecotec Plus with combiboiler from october 2020. And I must say it works very well when one or both thermostats ask for heat. When there is no demand for heat the boiler...
    • coenvm
    • Thread
    • boiler ecotec plus
    • Replies: 2
    • Forum: Boilers
  14. 5

    VAILLANT ECO TEC PLUS 835

    Installed the above boiler today. They quote 14 ltrs per min hot water. Looking at the heat exchanger, it does not look any different in size to the 832 (well I know, its only 3kw more!), but comparing this to the 838, that heat exchanger is nearly double the size? and the flow rate on that is...
  15. TMHM

    Cleaning Jet Blue Plus

    Simple Q, but one I cant seem to find an answer for. I have even looked on the manufacturers website and H&S data.... How do you clean off surplus Jet Blue Plus? I find that the lid of the container goes all cruddy and it smears everywhere but where I need it!! All I want to do is clean the...
  16. A

    Valiant EcoTec plus 831 strange noise!

    Evening all, My EcoTec 831 has begun to make a strange noise, the plumber suggested bearings in the fan but it's intermittent and goes when rebooting. Can go a good week without it happening and HW and CH working fine. Any Ideas? Thanks in advance. Video is attached. Arron
  17. R

    Vaillant ecoTec Plus 831 Filling Loop End Caps

    Good morning all Vaillant ecoTec Plus 831 Filling Loop Can anyone recommend a pair of suitable end caps for the above? An Amazon or eBay link would be good. Thanks
  18. P

    Recommend wireless replacement for Horstmann Plus 4 Channel Programmer

    Hi All. I have an old controller that I want to replace. I have 3 heating zones in the house (outside oil burner/seperate internal water tank)and want something that can replace this controller and give me wireless control of hot water and switching on the zones with a mobile device. I hope...
  19. Z

    Heatline Capriz Plus Drain Plug

    Hello, i require a drain plug for a Heatline Capriz Plus 28a, i've just phoned up the spares line and have been given a code of 0020203966, but when i look this up at any supplier it is listed as a 'handle'. I'm just wondering if anyone else has ever needed one of these, if they managed to get...
  20. J

    Potterton Promax HE Plus - Question about operation.

    Hi, I've got a Potterton Promax HE Plus combi boiler and had a question I was hoping someone could help answer for me? The boiler switches on and heats up the radiators upon being activated but it seems that once the radiators get hot the pilot light on the boiler switches off for a while until...
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