Speedball, Actually, I have a Fluidmaster set-up in the tank although I am not sure how old it is. I replaced the shut off valve and water line (steel braid) to the bottom of the tank about 2 months...
I have one toilet that for some reason, makes a loud whistling sound when I flush it. It starts to make this noise when the flapper drops down and the tank starts to fill up. This noise just...