Viessmann boiler failure

[Mark Hennessy]

Like you, I'm underwhelmed with the Magnaboost thing. Although it's a nice, solid lump of brass, I thought the magnet was a bit lame, being just a ceramic type - similar to what you'd find on a small 3" loudspeaker. I've yet to notice it do anything useful...

A few months back I saw this from Big Clive: https://www.youtube.com/watch?v=7ASM2Eq2ulI - looks nice...