Smart water valves act as an intelligent backup, so if a pipe bursts in your absence, they automatically turn off the main water supply right away. (farmers.com)
Also we were having a little trouble with the hot water valve at the time, but the diapers still came out okay. (organic-baby-resource.com)
If you'll be gone for more than a week, turn off the internal water valve. (travelinsurancereview.net)