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So after moving to a condensing combi, I have a leak somewhere in the system and it's losing around 1/2 bar every 24 hours. Do you guys have any bright ideas that I could try before ripping up the floor? I haven't tried leak sealant or putting aftershave in the system yet... But I really...

I have a leak someone in my old CH system....occured after installing a new boiler. Losing around 0.5 bar every 24 hours... any ideas if its worth trying sealant before ripping up floorboards? and if so, any suggestions on which have worked for people...

So had a new Valliant 831 fitted in my old house with old central heating system. The pressure drops around 0.5 bar every day - basically from the normal zone right down to zero. Valliant engineer has come out and assured that there's nothing wrong with the Boiler. I found two very small...

My boiler is having problems. After a while (a few hours of the heating being on), it will turn itself off. Then, almost instantly it will attempt to fire back up but will fail a few times before actually starting. But then it will turn itself off again! This cycle repeats a few times until...

So I have an ancient open vented system with a relatively new boiler in place (Potterton - 5 yrs old). When the thermostat on the boiler is turned up to above half (as it has been for the past 5 yrs), the HW has been heating fine. However recently, when the HW is turned on, after around...

My central heating system is very old - the boiler itself is around 5 years old - potterton. I think it's an open vented system - there are two tanks in the loft - one for hot water feed and one for heating feed and the actual hot water storage tank is in the bathroom. When I put the HW...

It's a kingfisher MF, about 5 years old. Has been working fine but recently the HW facility has stopped working. The boiler fires up, the flame light comes on but around 2-3 minutes later, the boiler turns off. There's no red LED indicator coming on and the reset button does nothing too...