Gravity tank. Upon activation, water stored in the water closet tank is rapidly released into the bowl through openings in the rim. The rapid filling of the trapway triggers a siphonic action within ...

The water closet is a private bathroom concept that originated in 16th-century Europe and has become increasingly popular in the United States. The bathroom has many names: washroom, lavatory, loo, ...

As the bidet attachment maintains its grip on households across the US, bathrooms have become flush with another new trend: the water closet. Call it an enclosed toilet, a commode cave, or a private ...

WHILE ON MY way to check an antique shower valve, the homeowner remarked, “Hang on a minute, the first floor toilet is running — again.” The exasperation in her voice was palpable. So, we detoured to ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...