Hot side angle stop to left hand basin in downstairs men’s room was leaking. Flapper in right hand toilet in same room was breached. Flapper in right hand toilet in ladies room was breached. Angle stop to same was leaking. Flappers are not stock. Picked up and installed replacements (Diag2p x2). Replaced both angle stops with quarter turn valves. Tested all, functioning properly, no leaks