Stop valves use a rubber gasket to shut off water flow, and must be installed in the correct direction to work properly. Gate valves control water flow with a brass wedge. Ball valves use a stainless ...

often called an angle stop valve. I've been slowly upgrading the plumbing in my older home. As part of that, I'm replacing the old gate valves at each fixture with quarter-turn valves, otherwise known ...

[Alastair Aitchison] has devised a brilliant way of detecting inputs from plumbing valves that opens up another option. (YouTube) [via Arduino Blog] While [Aitchison] could’ve run the plumbing ...