1. Install the larger tee in the 1/2" Inlet tube. (See the “Inlet” circle on image at right.)

2. Install the smaller tee in the 3/8" Outlet tube. (See the “Outlet” circle on image at right.)

3. Attach the body of the monitor to the frame. (See the area labeled “TDS Monitor” on image at right.)

4. Insert the 1/4" monitor prongs into their respective fittings.

Turn on the power. Monitor the incoming and outgoing (permeate) water. The meter will turn itself off automatically to save the battery.