Recent content by MW9

  1. M

    help with ecoTEC valliant 831 and heating

    as an update to all following this post or to whoever will have similar issue Today engineer have managed to changed the parts Diverter : 0020132682 Filter : 179030 And the boiler behave much better or as it should as I never seen it working correctly since I moved in here Radiators get...
  2. M

    help with ecoTEC valliant 831 and heating

    Might just get it as well then and put new one when I replace the bypass valve The other engineer said it can run without but obviously it is there to do something I wonder how often it will get block as this is something I won’t be touching.
  3. M

    help with ecoTEC valliant 831 and heating

    I have the infrared gun for temp but on some silver radiators it does not work, I have one as well with probes which I can stick with masking tape might use that but all radiators heat now roughly at the same time so unless I feel cold in winter I think i will leave it like this now the bypass...
  4. M

    help with ecoTEC valliant 831 and heating

    I had the heating set for today morning to test and it was set with pump on Auto, and all the radiators heat up, I even lowered the flow temp to 65 from 75 not sure if I will go lower as I have hot water tank which mix cold water from the loft, so to be safe with legionella I think I will leave...
  5. M

    help with ecoTEC valliant 831 and heating

    "Is the stuck screw the bypass screw, if so where is the bypassing going to?" yes it is the bypass screw to regulate the pressure, i think it is stuck in middle position, as default settings "What are your pump and power settings now?" power output is on Auto, pump was at 100% but I switch it...
  6. M

    help with ecoTEC valliant 831 and heating

    This is now when it’s heating up I have 13 degree difference between flow and return which I have never seen before it was always 5. And the boiler it’s not cycling as it used too. I’m still using the old diverter valve with stuck screw as this will be replaced on next visit but it’s working...
  7. M

    help with ecoTEC valliant 831 and heating

    An update: The filter removed, it was proper stuck didn’t want to barge, we needed to insert inspection camera to actually see if it’s there after removing I rinse it in the glass to see how dirty it was and to be honest it’s quite a bit of dirt for such a small part The other issue is the...
  8. M

    help with ecoTEC valliant 831 and heating

    It might be the hose under I have put some zoom and how water looked after few drains.
  9. M

    help with ecoTEC valliant 831 and heating

    You mean the plastic box in the pic above? X800, water, and few black bits which I think have dissolved and started floating after x800 was out in. It was from the first drain, the next drains was clear.
  10. M

    help with ecoTEC valliant 831 and heating

    It’s a shame as they were installed as brand new when we moved in 2019 but I didn’t know they are not Drayton as they look the same as our old house so thought it’s the same brand. Would be good if the different heads just work as I’m not fancy changing all the valves again in all radiators...
  11. M

    help with ecoTEC valliant 831 and heating

    So I have drain the system multiple times after putting the x800 on Thursday, I have run the water as well through the radiators with air vents closed and drains open and filling loop open so a lot of water went through the radiators and I was closing certain drain to change the direction of...
  12. M

    help with ecoTEC valliant 831 and heating

    Much warmer than it used to be more like when I was just running cylinder, I can still hold it without being burnt but it is very warm, so I recon it’s still lower than what d41 shows 68/70. Once I’m back I will take the cover off and compare with return pipe inside the boiler and I will connect...
  13. M

    help with ecoTEC valliant 831 and heating

    They should have made this vent more accessible for normal user to use after draining/refilling so you don’t need to take the cover off. Or made it automatic that if you go to that program on the boiler it opens automatically. I will report back when I’m back on Saturday and drain the x800 few...
  14. M

    help with ecoTEC valliant 831 and heating

    This is the air vent to vent the pump and boiler after refilling as without venting the boiler the radiators weren’t getting hot even after couple hours, not even the closest one fully open This could be an issue why they weren’t getting hot after x400 being in the system for months, after I...
  15. M

    help with ecoTEC valliant 831 and heating

    the burn time seems stable now constant 74-75, sometimes it will go to 77 but haven't seen it cut off yet every time I go and check it is burning / running, it came on while I was sleeping so on Saturday I will monitor how it is rising from the cold that problematic radiator was 10th in the...
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