The Terminator T-2000 automatic shut off valve for reverse osmosis system. The Terminator 2000 will monitor the tap water pressure and the purified tank pressure. As the tank fills to about 2/3 of the tap water pressure, the Terminator will turn the system off. ASO ASV Learn More

Reverse Osmosis membrane pressure meter kit - Add this kit to your standard reverse osmosis system membrane housing to determine the incoming water pressure that is being applied to the RO membrane. This is a great way to monitor the pressure on the membrane. Easy installation. Learn More