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Our house was a 'self-build' that started in 2003. It is a bungalow but we fitted Velux windows in the roof and sheeted out the upstairs to leave it ready for an attic conversion (650 feet2). The thinking by the plumber at that time was to put in a boiler that would be capable of also...

My boiler is a Sime Rondo 6.

That seems to be common opinion alright. However I have been also told that overdosing with inhibitor can lead to 'foaming' of the central heating water ?

Hi, I am trying to find the volume of water in my central heating system with a view to making sure the proper amount of inhibitor is in it. The system is as follows ... 2300 ft2 four bedroom house with underfloor heating (1228m of 10mm i.d. pipe) 1 x small single radiator 1 x small...

After getting some advice from another very helpful gentleman (www.makewrite.demon.co.uk) on Friday I went home to look at this again. As it turned out I think twgas and tipper were both correct. When installing the new expansion vessel I thought it was a case of swap the new for the old as...

Firstly, thanks for reply. I replaced the expansion vessel and opened the filling line until I got 1.1bar. I have not touched the filling line since so correct I am not topping up the system. Last night as I was nervous about the whole thing I switched off the room thermostats so effectively...

Hi. Hope someone can help please. I have a Sime boiler running two radiators, two towel rails and my underfloor heating system (Polytherm). I have been having problems. The boiler has a pressure gauge but there is also a pressure gauge at the filling point of the system which is actually on...