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My central heating system is a closed system with an expansion tank. There is a filler valve on the mains side of the expansion tank that allows me to top up/pressurise the system to the recommended 1 bar. The connection from the expansion tank to the is a braided pipe with a valve on it...

I suspect that on Tuesday I may be buying a new boiler because the heat exchanger in my Potterton Suprima 60 has a crack in it. It picked a cracker of a time to go wrong ' New Years Eve' :( If replacing it I would like to get something that will slot in as a replacment without too much...

What is wrong with my CH system. In the past 2 months I have replaced 3 radiators that have perforated. After the first one went I made sure the system had inhibitor in it. When I drained down to deal with the other 2 rads (that leaked within 2 weeks of each other) the water was clean and...

Is it possible/advisable to fix leaking heat exchanger by welding. I think I can see the crack at the back. Its about 2" long. The exchanger does not leak until the system is running, ie heat exchanger warm and under pressure. The boiler is a Potterton Suprima 60, closed system. Ta much...

I'm sure this is something silly and I'll kick myself(promise) when I find the answer. I have replaced a leaking radiator in the bedroom. It was a twin with single convector and I replaced it with a double with double convector. Not a problem in itself (I hope). I put the bleed valve on the...