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We have a Vaillant EcoTec 630 System boiler which appears to be heating water automatically. I've noticed that the water is always hot, even when we haven't switched it on but we were away last week so it wasn't switched on at all yet the water was hot when we got home and according to our...

We have a new Vaillant EcoTec 630 System boiler. There was some issue with the hot water control when it was fitted but I'm not sure what. So that we had hot water, the engineer switched the immersion heater on. It was on for approx 4 hours. The following day, the control issue was apparently...

I've had lots of useful advice on here before and I'm now hoping for a bit more. :giggle: We're currently in the process of getting quotes to replace our system boiler. Somebody suggested we should get a boiler capable of hot water priority that could keep the boiler in condensing mode most of...

Is there a kind person out there who can help me understand if these 2 quotes are comparable? One seems much longer than the other but with my practically non-existent technical knowledge, they both seem to be saying more or less the same thing. In a nutshell, is one offering more than the other...

We have received quotes for the following system boilers. Price-wise they are pretty similar but which one is best?: 1) Vaillant system boiler with 250L unvented hot water cylinder or 2) Worcester Greenstar 4000 system boiler, 24kW with 210L unvented cylinder Many thanks.

We are currently getting quotes to have our house rewired but at some point, we'd like to knock through between the kitchen and dining room to make it more open plan. First question - should we do the knock through before the rewire or will it not make much difference? Secondly - in order to...

We've recently moved house and inherited an old Kingfisher 2 boiler. It has suddenly started making a very loud intermittent roaring sound every time we run the hot water. Can anyone suggest what the problem might be, whether it's serious and roughly how much it would cost to fix? Any advice...