Recent content by tramlink

Thanks all I've decided to live with the problem as it doesn't arise when a toilet is flushed / dishwasher or washing machine run, but only when I use a cold tap. Turning off slower than I was used to the problem doesn't occur. Still awaiting a response from Vaillant, though, as to why the...

> Why would the pressure gauge drop? The digital display correctly shows the pressure rising, but the analog (manometer) gauge shows it falling. My installer reported this on Vaillant's helpline yesterday but, because it isn't on their computer system, couldn't get any sense out of them -...

Thanks to all who said it is a dead leg - just what the installer says, although he thinks it's more to do with the number of bends and having pipes below ground floor level. Something to work on. Cheers Geoff Smith

My newly installed Vaillant ecoTec 831 is doing two things which puzzle me, and may be related :- 1) With central heating off - when I draw cold water, on turning the tap off the pump starts and the pressure gauge drops. There is no sound of water passing through the radiators, so I would say...