During the past year, various vendors, entrepreneurs and inventors, promoting dual-flush conversion devices for tank-type toilets, have approached numerous water efficiency professionals, water ...

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 ...

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Q: I’m replacing an old toilet that flushes using a lot of water, and I would like to install a new dual-flush model. What are some dual-flush options, and what other tips can you add on toilet ...

Toilets designed to save water are actually wasting it at an alarming rate, says the U.K.'s largest water utility. Dual-flush toilets have separate buttons for heavy or light flushes with the goal of ...