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Hi there, I have the Vokera Compact 28 combi boiler. It began to give the 'hot then cold then hot..' behaviour.. The boiler got a service, and the heat exchanger, and tubes were cleaned out.. a lot of magnetite debris were removed. This greatly improved things.. The other day, when the boiler...

Hi there, On the Vokera Compact 28, there is a small valve on the top of the expansion vessel. I'm just wondering when it should be open / closed ? Should it be open when repressurising, and closed once the system is pressurised? Also, what should the normal pressure of the system be when the...

Hi there, I have a Vokera Compact 28 Combi Boiler. I recently drained the water from the boiler via a radiator, so I could remove one of the pipes from the heat exchanger. I cleaned the pipe to remove accumulated magnetite debris. I had cleaned the other pipe previously which was clogged with...

Hi there, In my kitchen there are around 12 spotlights connected to a dimmer control. Of these spotlights, one of them buzzes. I noticed that the connection the spotlight goes into looked slightly charred, so I have removed a spotlight from there for now. i think I might need a new 'adpater'...

Hi there, I have a Vokera Compact 28 combi boiler. It's been playing up a bit recently, the hot water is cycling between hot & cold, and the boiler also goes off an on which matches the hot and cold water cycling. The water doesnt go completely cold, but goes from luke warm to very hot. I...