I've just heard from Vaillant who have cancelled tomorrows visit due to Engineer sickness!
It looks I'm going to struggle to get anyone to look at the boiler before Xmas.......So it seems I'll have to have a take look at the DHW Heat Exchanger myself (I am an Aircraft Engineer!) It looks...
The S code showing when the DHW runs cool is S14
Having another look, if I reduce the DHW demand (only half open the tap or less) then the water does not cool down!
Unfortunately, I can't accurately measure the Heat Exchanger pipe temps but by feel, all are lukewarm (apart from the mains...
Thanks for the replies......An update as I've had more time today to look at this.....
The DHW does not actually run totally cold but goes down to about 40o and obviously the burner is still running
With the heating turned off and hot tap left running for at least 15mins the water cools...
No fault code is displayed when the DHW runs cold. Based on how another Ecomax 835 with exactly the same problem on this forum was recently fixed, makes me think it could possibly be boiler sludging?
Ah OK thanks.......I've now arranged for a Vaillant Engineer to come out (but if it is sludge I wonder if that will be covered on a breakdown insurance visit?)
Hi
I have a five year old Ecomax 835E which has been totally problem free until a day or so ago.
We first noted a low pitch rumbling/vibrating noise coming from the boiler around a week ago but the boiler was still working fine. Now, since yesterday, any hot water demand results in the...
Thanks......Unfortunately, its not that easy to tell from catalogues as colour and finish differences etc can be hard to spot.
I was just wondering if anyone could confirm if Howdens are still supplying MFI?
Hi
Can anyone please throw some light on the current relationship between Howdens and MFI?
I understand they are now apparently seperate but do Howdens still supply MFI?
We have found a kitchen we like at MFI (Tazetta) but would rather buy from Howdens if they do the same range with a...