The WSV3 from Elk Products is a 12VDC water shutoff valve. It can shut off the main water suppy in under one second. It features a 1" bore stainless ball valve with commercial grade seats and seals. For use with a security or automation control. 
Features
- Rapid action - opening or closing
 
- Multi-color LED status indicator
 
- Integrates to security or sutomation controller 
 
- Can be integrated with a manual push button or wireless push button
 
- Manual control handle for power outages
 
- Stainless steel grade 316