The plumber I use is away, so was hoping to see if I can fix it myself. I have an ecotec plus 831 boiler. If I leave Comfort Mode turned on, it’ll produce some hot water and then run cold — water heating on demand doesn’t happen. Glaslyn. This morning the boiler will not light at all and we have an error code F20. As part of a my extension works we have underfloor heating to the ground floor and radiators on middle and loft floors. This fault, particularly common for the Vaillant Turbomax, is caused by a faulty ignition, or no gas getting to the boiler. Well-known for manufacturing boilers that last the distance, they’ve also won an award for making the quietest boiler on the market, so great for installing in bedrooms. Can it be helped ? What do I do? Prospektus cikkszáma: V 01 03 17 PUR 0215. ecoTEC pure: Vaillant készülék letisztult formában. The Fix: This is an easy fix for most boilers with an external filling loop; simply open the little tap around a quarter turn until the display on the unit hits 1.5 bar, then close the tap again. Hi, I have an EcoTec Exclusive which is intermittently making a very loud grating, vibrating noise. I've just had the diverter valve in my four year old Vaillant Eco pro 28 replaced- £235 ! It recently had the PCB board (?) I have looked at the recent recorded fault codes recorded which are F22-F28 and F75. I have a small question, my vaillant boiler is losing pressure every night when the heating is off. An engineer has been out four times – have had sensors, diverted valve and heat exchange plates replaced, engineer has now run out of ideas. Thank you, I have a vaillent eco pro plus about 7/8 years old no hot water or heating screen completely blank changed fuse screen flickered for a couple of seconds went blank again any ideas please. In terms of the Vaillant EcoTEC Plus 825, we’d rank this at a 6/10. Hi, f22 comes up, tried using the valves to resolve it , not working? Plinski kondenzacijski kombinirani uređaj ecoTEC pure VUW 196/7-2 (H-SEE) Posebne značajke - Normirani stupanj iskoristivosti 98% (Hd) /109 % (Hg) - Modulirajuće regulirana snaga od 28 do 100 % Downstairs is fine and the cold water upstairs is fine. Here is a list of Vaillant boiler manuals. Thread by: Kelvin Abbott , Nov 3, 2019 , 8 replies, in forum… Have you any thoughts on what might be the cause of the RCD tripping out? How efficient is the ecoFIT Pure 430? Heating and hot water back to normal. Vaillant Ecotec 831. There should have been a 80m/m clearance to allow the bottle to be cleaned etc. I have no water from any hot tap. Can you advise me. The ecoFIT pure’s powerful aluminum heat exchanger which offers outstanding performance and low energy consumption for any home. We have just moved into a property and have found that the pressure on the boiler keeps dropping to zero. Thank you. I have notice that the flame insite the boiler becomes smaller as it goes. I have power at the boiler, and the controller. Although the showers in both rooms does give hot water. so, i moved the control right by the boiler, but it is still happening! To get hot water I have to reset and then run the hot water. My gas bills are really high and I’m wondering if this boiler is trying to tell me something? Hi. Fill the water over 1.5bar what shall I do, I have a turbomax about 10 years old stated coming up with F22 fault but pressure above 1.5 bar Could it be that the boiler gets too hot or simply suffercates, I’ve got hot water but the heating do not come on, Hi John, Thanks to performing so efficiently this boiler could help to lower your heating bills. Called plumber and he said I should change it–does a new boiler really take one full day, 2 people, to install? I’ve had it recently serviced and was told no problems, to be careful with the pins. Also in my Kitchen the hot water from the sink tap is working perfectly. hi needs an expansion vessel most likely. A few weeks on l’ve noticed water leaking from a 90° bend indicating the same problem. What could be the problem. The heating comes on at the right times but also chugs on and off in between. the water has always reached 80 degrees and suddenly it has started being choosey about when it will do this. i have a vaillant VK654/9 – 1654/9 there is a beeping sound and a voice saying low battery, I cannot find were the battery is located. Thanks (kit evacuare inclus) de la eMAG! Trouble is these days, Vaillant still have good products, but the company and it's staff are near on useless. It wasn’t the boiler itself it was the flue leaking water back into the boiler causing it to fail. On the display it has a egg timer displayed The top of the boiler is now rusty and water is running down the rear. I have to have my combi boiler replaced and have been recomended either a intergas eco rf or hre, or a vaillant ecofit pure 835, which is better. I have an ecotec 838 exclusive, Its running two central heating zones, but when either zone requests heat it seems to take a long time to heat up and the screen is constantly showing overrun and water deficiency messages. Thank you in advance. However, for Vaillant EcoTEC Plus models, it’s a little different, as they use a built-in filling loop. Shoulc I worry about this.Many thanks. If you have any questions or are currently experiencing problems with your Vaillant boiler, please don’t hesitate to get in touch with me directly or drop me a comment – I’ll be happy to help! Cheers. Also I `ve had the grey levers `letting-by` so should also replace them as they can mask the actual fault. The radiator symbol also isn’t shown on the boiler screen. Hi Dealing with a faulty boiler can be stressful, especially when you have to decipher fault codes and are left feeling unsure of what the problem actually is. Hi I have a valiant boiler ? Any suggestions from you please John or anyone else having the same problem. VRT 360f boiler is showing BMU Err. Generally it fires up runs for a bit, temp gets up to 65, then goes into overrun or water deficiency and basically cycles like this for 2 or 3 hours to get the zone up to temperature. The wireless control panel is telling me it’s 21 degrees but it isn’t, it’s pretty chilly so I’m then setting the heating to 24 and so on. Home Forums > Screwfix Community Forum > Plumbers' Talk > Vaillant EcoTec pro 28 - pump Discussion in ' Plumbers' Talk ' started by woods100 , Dec 6, 2020 at 11:52 AM . The pump remains on for a while but the boiler doesn’t fire up for about 5-10 mins . The boiler is still I working very well. The boiler continues to whirl but the flame does not ignite again. Prospektus neve: ecoTEC pure. NOTE: I have NOT tried to top up the boiler via the filling loop. I checked the boiler fill loop and both vales are off. a few times lately the clock on my ecomax boiler has lost one hour over night so the heating did not come on we think the boiler is about 10 years old, Hi, Hey, I recently installed a Vaillant Home Combi 35. This morning with the boiler on, I noticed that the needle on the pressure gauge was right over to the farthest point on the red section. Boiler window has flashing radiator symbol. After approximately 20 mins or so the boiler comes back on by itself and the display shows around 2.3 bar. Vaillant ecoTEC plus buzzing until hot water tap turned on. Centrala termica in condensatie VAILLANT ecoTEC pure VUW 236/7-2, 20,2 kW - Incalzire + A.C.M. Any ideas please as my heating engineer is at a loss too. I had a plumber come today as our boiler continually turns off with a F.62... Hi, Have changed the PCB and associated lead and the gas valve. Now, with the boiler off for approx two hours, the boiler temp is 41 degrees. Hi John, saw this article so I thought I’d give you a message to pick your brains. Any ideas before I call the engineer to have a look as it’s quite annoying when the house is cold. I have an valiant ecotec and after a power cut noticed the boiler was not working on inspection found a fault codes of con I wonder if you can tell me what to do. Mine is 20 year old the 242 E model and just had the same issue .we changed the Flow switch ( Vaillant 151041 cost £30 ) now all working again, Hi John, when I call for heating on my Vaillant ecotecplus 824 it seems to take 20-30 mins before it goes to full fire. Would love your thoughts on this. Hi all Many thanks. What does a F83 fault NTC temp gradient mean on my Valiant ecoTEC plus 430 mean? it trickles from the tap then stops and is cold. ecoTEC pure - a modern heating and domestic hot water solution in its pure form. Open both of these valves a quarter turn, so you won’t be able to read ‘closed’ – they should now be at the 12:30 position. If the pipe runs outside, pour hot water over the pipe to defrost it, or place a bucket under the boiler and disconnect the plastic waste pipe on the far right of the boiler, before draining the condensate into the bucket. I only have hot water when the heating is on! The Fix: Firstly, check the condition of the ignition leads – is a spark being generated? he said £300 for the PCB plus £250 labour. Got a Vaillant ecoTEC pro combi boiler which is about 10 years old. So a plumber said to change the heater plate, did that and problem still stayed. Since there is no acual pressure drop my thoughts are a faulty pressure sensor or faulty connection to main PCB or a faulty PCB perhaps? 2 1. Recently however the boiler has started to switch to Anti-Cycling mode (fault code S.8 or S.28) -which then rapidly cools the central heating and water down . I’ve just spoken to a gas engineer by phone and he told me that it wouldn’t be the low pressure that was causing my heating to not work….is this correct? i have a Valliant condenser boiler, with the central heating on and the hot water off the hot water comes on of its own accord intermitentlly to an excessively high temperature. did you ever get a response to your q as i have exactly same issue and was told it may be a faulty pump? does anyone have any ideas? I have called my engineer to check the boiler as the pressure was dropping to 0 after filling up the system with water. When it does fire up it reaches the temp setting on the dial currently set 65c and then goes into anti-cycling mode once more. We have a the ecoTec plus 824. I have to have my combi boiler replaced and have been recomended either a intergas eco rf or hre, or a vaillant ecofit pure 835, which is better. the condensate is inside and connected to the internal drain under the sink and water is passing with good flow so not blocked. the boiler still works but the pressure is on zero. Please help, I’ve just changed the pressure relief valve and connection tube on my vaillant turbomax vuw 242e But when I turn hot water tap on when heating is on I get a buzzing nosie didnt have it before what’s the problem many thanks. Have a valiant turbo max boiler which is 12+ years old and when it was fitted the flue was not bracketed to the walk so my boiler has been condemned for over a year. I have bye passed the room state in the boiler with no change. intermittent voltage on gas valve causing on off of burner. Connects to the double check valve. However, if you are interested in an even smaller combi boiler option, the Vaillant ecoFit Pure 825 may be a good choice, or have a look at the Worcester Bosch Greenstar 25Si Compact. How do I override a faulty thermostat? I don’t know what to do. This morning with the boiler on, I noticed that the needle on the pressure gauge was right over to the farthest point on the red section. My Valliant combo is leaking–drip, drip. Check your flue, extensions and bends are connected properly and have not come apart. Vaillant ecoTEC pure VC 146/7-2 Pdf User Manuals. Recently we have a fault F22 every morning which is fixed temporarily by letting in a little water until the pressure rises. There is a silver filling loop, with one valve attached at one side (but no valve on the other side, as I’ve seen in videos on youtube). I am unsure as to the responsibility of BG in this matter, I think they should repipe the afending pipe under the siphon trap.I would be very much obliged for any help with this problem. I have a Valiant EcoTech Pro24. I have eco tech pro. Not a bad score, but again there are other systems which would outperform this and for a more affordable price. replaced but that made no difference and so the old one went back in. The engineer came... Vaillant ecoTec plus 831 leaking internally, pressure drop, no hot water. I have a vaillant eco tec plus 831. and how much will cost to fix, Hi I have a turbo max plus 824E. F22 error is showing and there is no pressure almost every day since the heating is on longer. Having been away for two weeks over Xmas leaving heating on tick over I found that the flue had been leaking. Required fields are marked *. When we have the heating on the radiators seem to take a while to become hot, also the little graph symbol on the boiler shows the burner to be operating at a very low level. Vaillant Saunier Duval Kft. Any suggestions? Phil. hi, I have a Vaillant ecotec pure combi boiler and I’d like to know where it gets it’s room temperature reading from. I then was told to replace aqua pressure flow sensor. : (ecoTEC pure VUW 236 7 2 0010019976 ) Producator: Vaillant Model: ecoTEC pure VUW 236/7-2 Descriere Cazanele in condensație ecoTEC pure cu funcționare pe gaz nu doar utilizează optim energia furnizată. I turned it on and it starts off ok then goes to a trickle. would it be safe to say its the PCB not the gas valve ? ecoTEC pure oferă tot ce aÅ£i putea dori de la o soluÅ£ie modernă de încălzire şi apă caldă menjeră: calitate înaltă, tehnologie de ultimă generaÅ£ie şi robusteÅ£e. I leaked from tne bottom of the boiler for about 5mins and stopped. If I was getting hot water from these taps previously why cant I get hot water now? some days ive got hot water and heating and some nothing I have a Vaillant boiler and was wondering if the fittings (elbows and 45degree) and pipes can be installed externally??? The Ecotec Pro, is a very basic cut down version of the boiler that was produced by Vaillant for the new build market primarily. If the code F29 flashes up, the manual will probably tell you something along the lines of ‘flame extinguished’. after about a week the same thing happens. I just have a new Vaillant EcoFit boiler installed last month. At best All condensing boilers of Vaillant combine the latest technology with reliability in the high quality of German engineering – from more than 140 years of experience. I have a Vaillant ecoTECpro 28 boiler installed Nov 2012. I have an ECO PRO 24 and I notices this morning the hot water pressure is very low upstairs in the bathroom. The filling pipe has always been connected, and I have not had any issues, but I am concerned after reading the manual that it might damage my boiler. For this review, we will be focusing on the Vaillant ecoTEC Plus 832, which is the replacement for the Vaillant ecoTEC […] Central heating works, DHW does not work. View online or download Vaillant ecoTEC pure VC 146/7-2 Operating Instructions Manual Jennifer. Este o centrala termica in condensatie … Peter, Hello currently side... Three years ago our CH system was completely renewed by a reputable gas-safe registered local company. It was a plastic valve ; they used to be brass, but I supposed they've changed them to plastic ones for the sake of cheapness, mores the pity, as Vaillant had a good name. The boiler has tripped the RCD twice today but the strange thing about it is that when I reset the RCD switch the boiler starts up and continues to run ok. Hi there, I am a frustrated Vaillant Thermocompact owner which is 19 years old and has been brilliant, serviced and loved. Much appreciate any help thx, I have a eco max pro with fault code 11 flashing and its turned red. Hi, I have the Ecotech Plus 837, and have just found out after two years of using this system, that after refilling, the filling pipe must be again detached at the double check valve. however, it has suddenly started doing its own thing! The problem lies when I try going to the controller and turning the heat up for the radiators, which stay Luke warm and just don’t heat up. no fault codes showing. the last chap told me that as the thermostat is wireless, any thermostat that is also wireless, within 100 feet, can affect it. I can hear it whirling all night and day even when there is no heating on or water being used. Boiler does not fire up after this and i get error code f29. Thank you. Any comments gratefully received. Centrala termica in condensatie VAILLANT EcoTEC Pure VUW 286/7-2 oferă datorită funcției de preîncălzire Aqua-Comfort-System, un debit stabil de apă caldă pentru duș sau baie, fără timp de așteptare și având în acest fel și un consum redus de apă. can you help please, Hi i have a eco max pro that has fault code 11 flashing and its turned red can you advise me ? Len. If you are looking for a new boiler and would like to get a custom quote using a specially designed boiler quote calculator , then see our partner Boiler Central. Your e-mail address will not be published. - Vaillant Márkaképviselet 1097 Budapest Gubacsi út 6/B. What do you think is the cause. I’ve got a vaillant turbomax that keeps throwing me an F28 error code. The boiler read it get to 30 We have a ecoTec plus 824. I have fixed this but instead of raising level to bar 1.0 I raised it to 2.6 but understand this is o.k. This has happened three times in the past twelve days. Disponibilă în variantă combi (încălzire şi apă caldă menajeră) Poate fi utilizată cu mai multe tipuri de gaz; Tehnologie germană dovedită de peste 6.000.000 de centrale Vaillant utilizate în întreaga lume Thanks. I have fixed this although I did do it too high …2.6 rather than bar 1.0. 40 D-42859 Remscheid Tel. I would appreciate any advice. I have had a certified engineer to look at it but he cant find anything wrong The ecoFIT Pure 430 has a high efficiency rating of 94% and ErP A-rating for heat. 16. Then drops straight back to 27. Telefon: +36 (1) 464 7800 A épület, II. The needle has dropped back into the mid point of the grey section. The heating is fine but I have no hot water. The Fix: If boiler is igniting, and then shutting off, check the flame sensors, flues and airways. Hi, Changed the 3 port valve and pump but still comes up about every 3 days. I hv valliant ecotec pro 28 r1.while gettg water level through valve.if we dont move the valve back down aftr water level is up.what can happen vid it.can it cause major damage. Hi. Any help greatly appreciated TIA. The original inventor of the combi boiler, Vaillant has been at the forefront of German heating and engineering excellence for the past few decades. Either the flue isn’t all the way in the 90 bend, or the seal was damaged at the time the new flue went in. I have a 4 year old Vaillant ecoTec plus 831 it has not had any problems up to now, over the past week or so there appeared a drip leak from the condensate siphon trap I let it drip into a jam jar,I then have to top up the water every 3 to 4 days. The thread sizes on the standard filler loop flexihose of a Vaillant ecoTec Plus 831 are 1/4" and 3/8". Hi. Over the past few years, I’ve dealt with many Vaillant boilers and know most of their faults inside-out, which is why I decided to write this blog post to help you out. I have no display, no heating or hot water. date 08/02/2017, My valiant combi boiler is showing sign of 2.8 and it is flushing, Hi i have a vaillant eco tec boiler that was fitted by a government grant for my elderly parents for about 3 months know the hot water comes out luke warm regardless of the temperature set and the boiler makes a whistling sound when hot water tap is being used and carrys on making noise for a minute or so after tap is off I have a Vaillant ECO tech boiler – 2 years old. Hi Jo Paynter These codes refer to a frozen condensate pipe, meaning the condensate waste cannot run to the drain and is trapped in the boiler, causing the boiler to lock out. In comparatie cu aparatele de had a new ignition probe etc fitted still no joy. I did turn the single valve, and heard a noise, but after a good 10 -15 seconds, there was no change in the pressure gauge reading and I stopped in case I made it worse. I have a Vaillant 182e. Water Temp set at 35 but Water still comes out at Scalding Point when the CENTRAL HEATING IS ON, when off, water returns to normal, i would run it at 40,. I’m definite they’re all pushed correctly. Totul într-o singură centrală termică cu tehnica condensării. An when I turn a tap on, it kicks the boiler up and gives me hot water. When I return indicator to normal there is a whirling noise and water ceases to come out of hot taps. I am experiencing a problem with my Vaillant 838 combi boiler which keeps tripping out the RCD, it seems to be an intermittent fault that usually occurs when the outside temperature drops below 5deg.C. Ihave a Eco tech pro , it keeps losing pressure , its about 10 yrs old , i have bled the radiators , but to no avail , it still losing pressure , any ideas ? Get the gas safe registered installer back in. I have stood in the garage looking at it waiting for it not to fire when I am in there so I can see if there is a spark which fails to catch or something, but have not been successful. The 3/8" goes on the water inlet side. F73 error, Hi, we get this error on the panel, i had someone have a look at it, they said the PCB needs to be replaced, no 240V and one of the live wire on the connectors looks black? The water pressure is ok and radiator symbol on the panel flashes as it should. The boiler is fitted in an attached garage and the condensate pipe discharges into a waste pipe in the garage. Hi, I have a 5 year old Vaillant ecoTEC plus618 which was serviced on 30th November. Vaillant has their own dedicated service engineers, and more recently have made a large investment in Scotland by building a dedicated training centre. Your e-mail address will not be published. It’s showing F22 almost every day and I have to manually reset the pressure using that two levers. Hi, I have a Vaillant Ecotech Plus 824, and I’m getting F28 and F54 message. The only other thing is that water is coming out of the outside overflow on a regular basis. No fault codes showing. I’ve been told by the help desk more than likely it’s going to be the PCB? Re: Vaillant Ecotec combi boiler problem Got a similar one myself, the guy who fitted it said they are very good boilers (he also fitted the previous one, said it was crap, and it was). I’ve looked at a manual and can’t work out how to do this. Merry Xmas and a Happy New Year Any ideas? In the meantime the radiators are lukewarm. Sometimes, maybe every 2 -3 weeks it can also shut down completely with a F23 over temp spread message, this requires a boiler restart to clear. Cumpara Centrala murala in condensatie VAILLANT ecoTEC pure VUW 236/7-2, Gaz, Tiraj fortat, 20,2 kW - Incalzire + A.C.M. I have just moved into a new house. Servicing is also done annually. hello, I need to change the batteries in my thermostat and the manual says to “carefully push the retaining hook to the side using a small... Vaillant ecoTEC boiler under gassed & 14mb. It’s starting to drive us mad, it almost sounds like the noise a fridge makes but constantly – we have even switched off fridge to see if it was that!! Any idea where to look first? Vaillant ecoTEC pure. Any ideas on what is wrong? But shoots up to about 9/10ths when a tap in the bathroom is turned on. The display panel shows 79 to 80 dog all the time even when cold what could cause this to happen? also, the radiators come on even when they are turned off at the boiler. Boiler is just over two years old and has been serviced as recommended. Any info would be appreciated. Below are five of the most common faults and fixes you can try for your faulty Vaillant boiler, either yourself or with your local Gas Safe registered engineer. MY VAILLANT MINI 11-01 RED LIGHT FLASHES AND THE WATER GOES COLD WHEN I AM IN THE SHOWER HAVE REPLACED GAS BOTTLE, MANUAL SAYS THERE COULD BE AIR IN GAS SUPPLY BUT HOW CAN I STOP THIS OR ANY OTHER IDEA’S PLEASE. The pressure keeps dropping down to 0 , I turn the pressure gauge around and brought it up t1.5bars, I have a Valiant Eco Tec 637 , which is off , showing Fault codes F28 ignition failure and also F54. The hot water works fine when I call for it but when I ask for Heat the flame comes on and after about 30-40 seconds it goes out. Hi my valiant boiler is having fault f28..but as soon as I reset that button it goes to normal again.This happen only when water is cold or weather is cold. Could this be the circuit board? It only appears to leak after it has been boiler has been working. AJ, Hi I have like warm water and luke warm hot water At times goes to 59 Once the pressure returns to 1.5 bar, close the levers and reset the boiler.

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