A toilet flush valve controls the flow of water from the tank into the toilet bowl. It is made of a valve body, a flapper, and a chain. When you flush, the chain lifts the flapper and water flows from ...

MISSISSAUGA, ONTARIO — Researchers are conducting yet another round of toilet testing, and the bean curd will inevitably hit the fan as some toilet manufacturers are displeased with the results.

Flushing a toilet can generate large quantities of microbe-containing aerosols depending on the design, water pressure or flushing power of the toilet. A variety of pathogens are usually found in ...