vailaint

Hi We have Vaillant Ecotec 824 R1 in our flat which has an issue that puzzles gas engineers. The boiler make a very loud noise when central heating is on - this in random and occurs mostly at night. I'm sharing video showing the problem via Google Drive. The engineers are puzzled and so far...

Hi All I have had a search through previous posts and google, but everything I find seems to get me more confused. I have just had a new Vaillant boiler fitted, an ecoTEC plus 838 combi. It is just the boiler at present, operated by the controls on the front only. My plumber is offering to...

Hello, Apologies if this is a stupid question, there's a bit of a story to this. So, back in April I noticed that our hot water was temperamental, you could draw some at 10a.m and it would be fine, at 11a.m it would heat up briefly before running cold. I looked at the LCD display when this...

Ecotec 418 open vented S-Plan 2 Port HW & CH Valves Standard HW/CH timer and roomsat/cylstat Pump 15/50 - Speed 3 ABV installed (setting 2) between pump/valves and return back before the Magnaclean but its on a 15mm not 22mm pipe 10 Radiators (6xType10,2xType20,1xVertical double column, 1xType11...

Hello Everyone, I'm new to this board and I wonder if you can help with the following enquiry, please? We had a new boiler fitted earlier this year, a Vaillant ecoFIT pure with a Vaillant timeSWITCH 150 and VRT50 thermostat. Since last night, for some reason we have not been able to lower the...

Hi All, I have read through several forums and tried everything I could see but with no luck. The house has 10 radiators all of which are stone cold. We have a Vailaint ecotec 630 boiler which has sufficient pressure, the pump works and the hot water is fine. The radiator symbol is constantly...

Hi All Got a problem with a turbomax boiler. Water cycles hot and cold and heating is cycling also. HW - goes cold for a couple of seconds. CH - From cold start will fire-up reach temperature on boiler and stay off for next 4min and then start gain. The temperature on the digital gauge drops...

Hi, I've moved into a new place and it has a Vailant 838 combi boiler which was installed in the last few months. I've noticed when you turn the hot water taps on it takes 15-30sec for the water to warm. I was reading if you turn on comfort mode it should speed things up, but I don't seem to...

Hi Guys, New to these forums and new to the Vaillant VRC470 weather compensator! I've seen many other threads on people trying to get there heads around how this system works. I was wondering if anyone could help with the following: 1) How do I know whether I have two heating zones, I have...

I have just bought hive single zone kit including hub. I have underfloor water heating in one zone, which I intend to control via hive thermostat. This would have its own two port valve. The second zone is upstairs with radiators, with a dedicated 2 port valve. I plan to control this via a...

I'm having the dreaded s53 problem and also s7. 418 ecotec plus (10yrs old) 15-50 pump External controls (pump boiler controlled) 2 zones (CH and HW) ABV After pump but before valves, back to return circuit Magnaflow 10 radiators (one is 2m long single, one is 1.9m high double 8kbtu, rest are...

Hi I live in a 2bed first floor flat with 8 rads, I have a 5yr old Vailant Combi boiler. The radiators in my kitchen, spare bedroom & storage cupboard are stone cold and recently the radiator in the bathroom cooled and stopped working. I've not had an urgent need to rectify this until...