Search results

I used to have a hot water cylinder and now have taken out the old boiler and cylinder and converted to a combination boiler. The cylinder used to be in the airing cuboard and there isn't any pipework there now. Anyhow, at the moment the combi boiler is supplying hotwater throughtout the...

I'm assuming I have a closed system as the combi boiler has a pressure gauge on the front.

JohnD, How do I put Sentinel X400 inside the system, do just pour it inside the rads and screw them back on, will that do?

thanks for all the advise, I'll have the dead leg checked out.

Can I effective remove sludge from radiators without a power flush? Power flushes are expensive so could i remove the sludge by taking off the radiator and the put a hose pipe through it flush out the sludge?

Hi, I have a not so old valliant ecoTech831 combination boiler and every time i use cold water the boiler fan turns on for about 30 seconds. Is this normal? Also when the heating is on and there is a demand for hot water the heating turns off which means if someone takes a long shower the...