sentinel

Happy New Year everyone!! We were away last month and when we came back I notice central heating pressure dropped to 0. Didn't think much and topped it up to 1.5 bar. Exactly a month later, pressure dropped to 0 again last night. This time I know something is very wrong. After some...

Hello Gents, I need to add some inhibitor to the boiler so I have got some Fernox F1 My question is can this be added to a system with other additives already in the system? The additive already in the system is Sentinel Leak Sealer will this be OK to do? thanks

(I'm no expert but will do a lot of research and attempt most things if it will save me money and is legal to do myself) I moved into this house 1 year ago, but I think the boiler (Worcester 532i) is about 8-9 years old. At the weekend I moved a radiator (Someone had mounted it very high on...

Been doing minor work to my Central heating system consisting of replacing one single radiator for a double one (same width and height) along with refitting a another poorly fitted radiator which brackets were loose and wonky. When I drained the radiators, small black particles came out what...