I really thought I'd finally found it, I really thought I'd found why the smoke detectors liked to go off for fun at random times, more memorably at night, most memorably around 1-3am, when I found that long-term defective connector but
GUESS NOT
"Anything to declare?" "Yeah, don't buy Kidde."
seriously, fuck kidde.
We're ditching all of 'em. every single one. fuck 'em. DO NOT BUY KIDDE, they don't even honour warranties.
Trying BRK this time, they're the same people as First Alert, but it's the contractor brand. Combo smoke/CO detectors. They're more expensive. Hopefully they'll also be better.
FUCK kidde.