- Raul Rivas
3/4" WATER SECURITY SYSTEM W/CONTROLLER NEW, Remote Shut Off Control Panel and 24 Volt Solenoid included. TRU-VAC 3/4” WATER SECURITY SYSTEM (WSS34) Features Manufactured/Tested by Sierra Dental Products. 3/4 " system. Filters incoming water supply and shuts off water from control panel. Remotely shut off water supply to dental equipment to prevent accidental water damage. Capable of servicing without disruption to the dental practice. 20 micron filters supplied with unit....