WHEN IS A 1.6-gal.-per-flush toilet not a 1.6 gpf toilet? As soon as the homeowner replaces the flapper, according to the California Urban Water Conservation Council. The conservation group has ...
The seat disk predates the Korky flapper, so your toilet must be really old if it has a flush valve that uses one. It’s a flat rubber disk that fits over the valve opening, held in place by water ...