Yep, another one with boiler issues. Can't beat waking up freezing cold because the boiler has packed up overnight and the heating is off.
Got me thinking: are they badly designed or deliberately designed to fail?
Ours has a "automatic air removal vent". Simple enough thing: little floating ball valve to let the air out but not the water. But if you live somewhere with limescale then these inevitably get stuck and leak water.
Then there's the pump: "Oooh you need to get your system powerflushed otherwise gunk and little bits of metal from the rads will cause the pump to seize". Really? If that is such a common problem why isn't there a nice user-servicable filter somewhere FFS?
Then there's the basic layout: "Hmm.. a bunch of pipes carrying water which will inevitably leak if something goes wrong? Let's put all the electrics and control electronics directly under those." Why would you do that??