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  1. papachumba

    Acton W3 Servicing the Ariston Megaflo Cylinder & Vailant Ecotec 428

    Hi all, need someone to do my annual gas service and issue me a domestic gas safety certificate. In addition the megaflow cylinder needs checking and anti corrosion electrode replacement (have the part). In addition some of the honeywell motorised valves need replacement.
  2. N

    Vailant thermostat vrt350 not pairing with ecotec pro 28 boiler

    Hi everyone, I’m writing on behalf of my elderly neighbour and hoping this is a problem someone on this forum has experience of and remedied. The boiler was not responding to the wireless thermostat. The various settings on the thermostat seemed fine and 3 heating times and temperatures were...
  3. Z

    Vailant ecotec Flow Return f23 problem

    Please can anyone let me know if the NTC thermostats are on the correct way around?? I did have problems with the return pipe heating up before the flow so I'm thinking the last plumber may have swapped them around somehow. Havin now reconfigure the central heating i've plumbed in all the...
  4. M

    VAILANT PCB SERIAL NUMBERS

    Hi, I need to replace the pcb in my vailant eco tec Pro 28 r2 boiler. I am struggling to find one with the same serial number as mine which is 0020092508. Would a pcb which has a different serial number but fits that model boiler be compatible?
  5. J

    Vailant ecotec pro 28 pressure

    Hello. I’ve lived in the property for 4 years and anytime the pressure got low (0.8 bar) I would use the fill taps to release more water into the system. Ever since British Gas did their annual boiler check about 3 months ago, I’ve had to do this too up method more and more. My pressure is now...
  6. L

    "Should " A 3 year old Vailant have had a protection filter kit ?

    Friend has there boiler install company do the annual service exactly 3 years this week of them carrying out the install etc .The engineer told her that she needs a filter and it would roughly be £200 fitted (No issues there) .But was it not a requirement 3 years ago for all Vailants to have...
  7. A

    Vailant Turbomax Restarting on hot water demand - any clues?

    Hi, I have a 20yr+ old Vaillant Turbomax VUW 282 with a magaclean (on the flow side) and connected to Hive system for a 4 bed house. Had it serviced by British Gas engineers - but its a mixed bunch that come around and often depends on the engineer quality. Recently had its diverter valve...
  8. B

    Vaillant ecoTec plus 637 System boiler control options

    Vaillant ecoTec plus 637 and gledhill 250 indirect tank control options Hi, I am in the process of renovating an old farm house. I have been advised to have installed the Vaillant ecoTec plus 637 system boiler with a gledhill 250l indirect tank. I met with the heating engineers yesterday as...
    • Blondie44
    • Thread
    • boiler control controls ecotec ecotec plus options plus setup system system boiler vailant vaillant wireless
    • Replies: 11
    • Forum: Central Heating Forum
  9. 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*...
  10. r1k1n

    Vailant TurboMax VUW 242 - No hot water, heating constantly on, water dripping from underneath

    Hello there! Yesterday we turned on the heating as it had been off for a while (due to the heat we've had here). My brother went for a shower but noticed that the water wasn't hot. We reset the boiler (Vailant Turbomax VUW 242 - 2004 install) a couple of times and the problem is still present...
  11. L

    Vailant - how to lower heating output (kw)

    Hey guys, Really bugging me, my 32kw combi used to use about 25kw for the heating side and it would get up to temp so fast! I lowered it to 13kw on the boiler front controls, bit i cant remeber how i did it!! So I've told a college of mine (we're all gas engineers) that i can do it and will...
  12. E

    vailant boiler

    Hi All, If I isolated a boiler (combi) and opened the cold feed how much water approx should I expect to drain. Its a vaillant its a turbomax and the customer has no water comming out the hot tap. Thanks in advance Eddie
  13. C

    Whining from a new Vailant Boiler

    First a Hello from a new member. I wondered if any of you experienced heating engineers have heard an intermittent whining noise coming from a new Vaillant ecotec plus 637 system boiler? Fitted (complete new system) June '16, S.Plan -two CH zones and one HW (unistor 210), external by-pass & TF1...
  14. R

    Elnur CMX15 electric boiler vs Vailant Ecotec pro28?Hi

    Hi everyone, i really need one of your expertise to clear something up! which is more powerful out the two? Obviously the electric is 15Kw maximum and the gas is 28Kw but I have read that electric is 100% efficient and gas combi can vary? i have a three bedroom semi and want to ditch the old...
  15. 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
    • bucket eco filling filling loop leaking plus pressure refilling system vailant valve
    • Replies: 11
    • Forum: Plumbing Jobs | The Job-board
  16. M

    Vailant 630 r1

    Hi, I need to replace a Vailant 630 r1 boiler but the customer is 40 miles away so I don't want to drive there just to have a look, I can't get much sense from the customer and I can't seem to find if this boiler is a combi or system boiler or if this model has the option of either?
  17. D

    Controlling Vailant boiler CH and DWH temps independently

    Hi ​to all, found the forum on my quest to better my current heating system. Seems the most knowledgable forum so a good start. Ok So my house is a 1970's 4 bed detached, upgraded cavity wall and loft and new double glazing. The system consists of a valiant Ecotec pro 630 system boiler...
  18. S

    softened water and vailant

    does anyone know if you can run the dhw from a softened supply on a vailant from what i can find you can on a worcester but not on an ideal
  19. A

    Vailant eco tec 824e

    Hi folks, I have the vailant eco tec 824e boiler. I am having problems with the water leaking through the overflow pipe. Therefore, this is resulting in the boiler losing water, as shown in the gauge. Any help would be appreciated. M Avaas
  20. Z

    Recommendation on Vailant combi model and a few other items.

    Seasons Greetings to all.......please can you give me you're expert opinion of brands and models etc for my following requirement (will be doing a complete replacement of my 20year existing boiler/CH system in Jan) 1) Which Vailant combi model would be suitable for a 2 bed medium sized...
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