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internal flow path. Replace air gap module if necessary.
Problem: Chlorine or other unpleasant taste/odor after initial tank filling.
Cause:
Residual preservative/sanitizer still in water.
Solution: Drain and fill tank several times if necessary.
Problem: Noise in drain ("gurgling" or "dribbling" sound).
Cause:
Reject water dripping into standing water in the drain trap.
Solutions: A) Make sure the 3/8" black drain tubing from faucet air gap module slope continuously downward
to drain saddle without loops or low spots.
B) Angle drain piping so reject water runs down side of drain pipe.
C) Change location of drain saddle to horizontal drain pipe or alternate vertical drain pipe farther from
Properly plug original hole. Caution: Make sure drain saddle is always installed above
(before) the the trap. (Fig.4)
General Undercounter Installation Schematic (Fig. 1)
1/4" Green
3/8" Blue
General Basement Installation Schematic (Fig. 2)
Model 4000
shown
Faucet with
Air Gap
3/8" Black
Red SFC Tube*
Purification Assembly
Undersink Area
Floor
3/8" Blue
1/4" Yellow
Red SFC Tube*
Purification Assembly
Cold Water
Supply Only
1/4" Yellow
1/4" Orange
Sink
Drain
Cold Water
Supply Line Only
1/4" Orange
1/4" Green
Air Gap device
(eg. Gap-A-Flow
To laundry sink
standpipe or floor drain
For best flow, keep
tubing from Tank to
Purification Assembly
as short as possible.
Storage
Tank
For best flow, keep
tubing from Tank to
Purification Assembly
as short as possible.
* Continuous flow units
use 1/4 standard green
tubing in place of special
red "SFC" tube.
Storage
Tank
10
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