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  1. A

    logic plus, L6 fault

    Anybody come across fault on a logic plus with code L6 ...... false flame lockout? Boiler was serviced 2 weeks ago, all cleaned and good readings at the time. Fault resets and runs till next day then repeats. I have not had chance to attend yet, possibility no warranty due to being...
  2. C

    vaillant ecotec plus 630

    Hi i have installed one of these into a large, does this boiler have frost protection built in. or do i need to buy a external stat. If one is built in does it just run its self as long as boiler is on . or does heating hot water have to be on cont on the programer thanks
  3. J

    Biasi Riva Plus M90D.28SR, ho****er doesnt always work when heating is on

    Hi, we moved house this year so this is the first time we have had the heating on on our Biasi Riva Plus M90D.28SR. Throughout the summer we had hot water instantly but since we've started putting the heating on, whether it be manually or with the timer, its extremely hard to get any hot water...
  4. L

    Heatline Capriz Plus 24a

    Hi guys quick one would you replace the insulation panels in the combustion chamber if they were submerged in condensate, i ask this as i just been to a breakdown and the condensate was blocked backing into the chamber and then leaking out of the spark electrode which eventually causes the spark...
  5. 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...
  6. 3

    Remeha avanta plus 28c, hot water but no heating

    Hi Ive been called to look at a remeha avanta plus 28c with hot water working fine just no heating. No fault codes are showing up at all. Is there anyway of checking the motorised valve or the divertor as im not that familiar with these boilers apart from having to change the seals and ignition...
  7. 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
    • bobcr
    • Thread
    • ecotec plus vaillant wiring
    • Replies: 1
    • Forum: UK Plumbers Forums
  8. A

    Potterton Promax he plus no Central Heating

    Alrite iam a gas safe registered engineer I have come across a Potterton promax he plus combi boiler No error codes No Central heating Hot water is fine Pump and fan are both fine Thermostat calls fine the central heating light comes on for a few seconds but then goes off. The ch temp also...
  9. K

    Ideal Logic Plus 30 - loss of pressure

    Hi , you all have probably seen this problem but as im new to this i cannot seem to find the solution. We have an Ideal Logic 30 Combi boiler 4 years old and we are having to top up using the filling loop almost every other day. My boiler engineer assures me its not the boiler at fault although...
  10. J

    valiant ecotech plus 624

    Damsel in distress....I have a valiant ecotech plus 624 boiler and suddenly I have no hot water the boiler feeds a tank in the airing cupboard. I have tried everything and did succeed in getting hot water but only if I also put the CH on! There are no fault numbers showing. Could this be the...
  11. 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...
  12. S

    Vaillant TurboMax Plus Boiler Issue - Fan not working

    This week my boiler failed giving an S.33 message "Check air/flue system" message. My plumber came around and identified the problem as a failed fan. I had my old fan handy (I replaced it 4 years ago due to it becoming noisey). He fitted that and all was well. However, when I next tried the...
  13. M

    Vaillant ectotec plus 824, hot water but no heating.

    Hi all. I'm a bit stumped with regards to a repair I've been called out to.
    • monstratman
    • Thread
    • heating hot water plus vaillant water
    • Replies: 4
    • Forum: Bathroom Advice
  14. 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...
  15. B

    Worcester Bosch Greenstar R40 HE combi plus

    Hello, I have a worcester Greenstar R40 HE Combi plus that had been over heating and coming up with Fault code E9. I have had two engineer visits with the first one replacing CH sensor and DHW flow sensor. And the second engineer replacing fuses on the mother board. The boiler still overheats...
    • Bart
    • Thread
    • bosch combi greenstar plus worcester worcester bosch
    • Replies: 1
    • Forum: UK Plumbers Forums
  16. C

    Vailant Eco Tec 630 Plus Filling Loop leaking not refilling system bucket collecting

    Hello we have a Valiant Eco Tec 630 plus which was functioning fine however the pressure was low so we opened up the filling loop - water came out of the loop system under pressure 'like a back pressure' from within the sytem itself which meant water was spraying out from the valve head until...
    • cheshire_set
    • Thread
    • filling leaking plus system
    • Replies: 11
    • Forum: UK Plumbers Forums
  17. woodsy

    Potterton profile 80e to Vaillant ecotec plus 430

    Been asked to change a Potterton to the Vaillant - not fitted the Vaillant before so looking for any possible headaches , wiring alterations etc that I need to take into account.
  18. P

    Vaillant 415 ErP Ecotec Plus or Baxi ecoblue advance 25

    Evening all I need to get a new boiler and have got quotes from 2 installers - one for the Baxi ecoblue advance 25 and one for the Vaillant 415 ErP ecotec plus. I am in a quandary as to which to go with. Any views please? Thanks in advance Ian
    • pottonian
    • Thread
    • baxi ecotec plus vaillant
    • Replies: 16
    • Forum: UK Plumbers Forums
  19. J

    Low Pressure on boiler - Help! (Vaillant ecoTEC plus 618)

    Hi guys - I have a Vaillant ecoTEC plus 618 VU GB 186/5-5 that's showing a low pressure error. I understand I have to top up the pressure by turning/releasing some valves - the only problem is I have no idea where they are! I can't see any 'grey taps' and tried reading the manual but it's quite...

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