Easy to install.The “in & out” markings are on the top of the valve. The top side of the valve is the high pressure side and the bottom side is the low pressure side. The high pressure from the filter housings goes to the “in” on the top of the valve. Then the high pressure “out” goes to the membrane housing inlet. The membrane housing low pressure outlet connects to the “in” on the bottom side of the valve. The “out” on the bottom goes to the tank.
1/4″ Quick and easy connect fitting.
Suitable for most of the reverse osmosis water system.
Automatically turn off the water supply when the tank pressure reaches approximately 65% of the supply water pressure.
Package: 4 Way Shut-Off Valve × 2