Boiler broke down so booked a bord gáis guy out to do a service and repair. The thing was only installed in 2015 but is a bare couple months out if warranty. Bord gáis guy says the issue is the flue, you need to get an installer out to fit a different one. Got the installer out, fitted, serviced, worked a couple days and broke down again. Next port of call the manufacturer. He comes out, took one look at the flue and said that’s the wrong flue it’s a fire hazard shut this down straight away. Got the guy who fitted the flue back to take it off (within a few hours, he’d have been up shit creek as a registered gas installer having signed off on that). Manufacturers guy comes out again, miraculously, it’s working. He serviced it, says it seems fine, flue not ideal but not problematic, signed off. Next day not working, manufacturer guy is back again, got a reading, changed a few parts, up and running, signed off again. Worked grand for nearly a week. This morning it’s gone again. Sake.