So I replaced the 242 seal in the Fluidmaster 400A and it works fine except that it started whistling then squealing and finally shrieking a high pitched shriek like the monolith on the moon in 2001. Weird. Maybe that’s where Kubrick got the idea. Or was it Arthur C. Clarke. Or maybe HAL, though I can’t imagine a HAL9000 ever using a Fluidmaster. In fact, I don’t even know if they had Fluidmaster in the 1960’s. It’s all very Space Age. They put a man on the moon and a Fluidmaster in the bathroom.
And while the toilet shrieks impressively, it never gets into the Ligeti. That would be too much to ask for.