Instructions / Assembly

25
Version 2.0A
USS-335 installation instructions
POSSIBLE CAUSE SOLUTION
Troubleshooting
Guide
connect to auxiliary faucet
LOCK LOCK LOCK
Air gap is clogged.
Drain line is clogged.
Drain flow rate is too high.
Remove faucet body from faucet base and disconnect air gap 1/4" tubing. Ensure there are no
obstructions - clear them out.
Remove faucet body from faucet base and disconnect drain 3/8" tubing. Ensure the drain
connector is properly aligned with the hole in the drain pipe. Ensure there are no obstructions -
clear them out.
Replace flow restrictor.
Tubing is crimped or bent at connection.
Tubing is not cut squarely.
Tubing does not enter fitting at 90°
angle - not enough tubing.
O-ring inside fitting is damaged.
Collet inside wall is damaged.
Remove tubing, cut 1" o squarely - making sure to not crimp. Use a very sharp exacto or utility
knife. It is not recommended to use side-cutting or diagonal-cutting pliers. Wet the tubing end
and insert 5/8" until fully inserted.
Remove tubing, cut 1" o squarely - making sure to not crimp. Use a very sharp exacto or utility
knife. It is not recommended to use side-cutting or diagonal-cutting pliers. Wet the tubing end
and insert 5/8" until fully inserted.
Re-route tubing to allow it to enter fitting at a straight 90° angle. If not enough tubing to allow,
remove tubing and use a longer piece. Remove by pressing in the white collar while pulling the
Plastic Tubing out with your other hand.
Replace o-ring by removing collet with smal screwdriver. Be careful not to scratch the internal
walls of the collet. Ensure new o-ring is properly lubricated.
Replace collet by removing with small screwdriver. Be careful not to damage the o-ring.
POSSIBLE CAUSE SOLUTION
Carbon post-filter is exhausted.
There is foreign matter in holding tank.
Product water and drain water lines are
reversed.
Dissolved gases in feed water.
Increase in Product Water TDS.
Replace filter with Brita Redi-Twist USF-201.
Follow the clean, flush, and sanitize procedures. Replace all filters.
Correct plumbing according to installation instructions.
Pre-treat feed water to remove gasses.
See High TDS in Product Water Section.
POSSIBLE CAUSE SOLUTION
Tastes and Odors in Product Water
Leak from Air Gap Hole in Faucet
Quick Connect Fittings Leak