Purenex Multipure Aquaperform For Model MP880SB - Manual (Page 11)

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2. Disconnect the cold water riser/supply line at the angle stop valve (or at your cold water faucet pipe, depending on the
plumbing in your home) by turning the slip joint nut counter clockwise, using an 8" adjustable wrench.
3. Using the 8" adjustable wrench, connect to the Adapta Valve to the pipe (angle stop valve or your cold water faucet pipe)
from which you removed the slip joint nut. Be sure the rubber washer is in place in the Adapta Valve. Turn clockwise
until tight; however, DO NOT OVERTIGHTEN.
4. Connect the plumbing riser/supply line with the slip joint nut to the Adapta Valve. Be sure the supply line does not
block the shut-off valve on the side of the Adapta Valve. If necessary, trim the supply line before
reconnecting. Turn clockwise until tight.
5. Attach the Tubing adapter (MC722) to the shut-off valve on the side of the Adapta Valve by
turning clockwise. First use Teflon tape on the threads of the shut-off valve.
6. Connect the clear 3/8” clear plastic tubing (#2), shipped with the unit, to the Adapta Valve by inserting the tubing, as far
as it will go, through the small hole in the Tubing adapter that you attached to the shut-off valve.
a. Cut (square cut) the tip ends off the tubing using a sharp knife. Do not use scissors.
b. The tubing must be fully inserted in the opening of the shut-off valve. It is recommended that you measure and mark
the end of the tubing. The 3/8” clear tubing should be inserted about 7/8”.
c. Push the tubing through the small hole in the valve until you feel resistance -- at this point, the tubing is not fully
inserted. Then push firmly until the tubing is inserted as far as it will go.
7. Confirm that the Unit Shut-off Valve (attached to the Adapta Valve) is in the OFF position by turning the handle clockwise
until it stops.
8. To connect the clear plastic tubing to your drinking water unit proceed to Section V.
Push the tubing into the small hole
as far as it will go. Pull to check
secure.
Adapta Valve Installation (continued)
Insert clear tubing 7/8”
Choose the configuration (3/8” or 1/2”) that fits your plumbing. The 3/8” configuration usually is installed at the
bottom of the riser at the angle stop valve. The 1/2” configuration can be installed at the top of the riser at the
faucet pipe or at the bottom of the riser at the angle stop valve.
A. Use the 3/8” configuration on a water supply line with a 3/8” slip joint.
B. Install with the 1/2” configuration at the top of the riser on a water supply line
that does not have a slip joint nut at the angle stop valve. If there is a 1/2” slip
joint nut at the angle stop valve, the adapta valve in the 1/2” configuration can
be installed at the angle stop valve.
Install on the cold water line only:
1. Turn off the cold water supply to the faucet by turning the angle stop valve completely off. You should have on hand a
container to catch any residual water in the pipes.
3/8”
configuration
1/2”
configuration