15
Correct plumbing.
Clear or replace Drain Restrictor.
Clear or replace Air Gap Faucet..
Repair or replace the ASO Valve
Components.
Flush with several full tanks of
Product Water.
An increase in Feed Water TDS will
give a corresponding increase in
Product Water TDS.
Replace Filter.
Clean, flush and sanitize the system.
Replace the filters.
Correct plumbing.
Pretreat Feed Water to remove
dissolved gasses.
See high TDS in the Product Water
section.
Clear Air Gap.
Rinse with vinegar for removal of
calcium buildup.
Clear tubing.
Align with hole in the drain pipe.
Replace Drain Restrictor.
Adjust Faucet by turning the tee bar
just below the handle to provide a
small amount of free play in handle
when shut off.
O–rings are bad, repair or replace
faucet.
O–ring is bad, replace O–ring.
O–rings are bad. Repair or replace
the faucet.
High Total Dissolved Solids (TDS)
in the Product Water
(continued)
Problem
Possible Cause
Solution
Tastes and odors in the Product
Water
The Product Water and Drain Water
lines are reversed.
No drain flow, Drain Restrictor is
clogged.
No drain flow, the drain orifice in
the Air Gap Faucet is plugged.
The ASO Valve is not closing.
New Activated Carbon Post Filter not
rinsed completely.
The Feed Water TDS has increased.
The Activated Carbon Post Filter is
exhausted.
There is foreign matter in the Holding
Tank.
The Product Water and Drain Water
lines are reversed.
Dissolved gasses in the Feed Water.
Increase in Product Water TDS.
Air Gap is blocked.
Drain tubing is clogged.
Drain Clamp hole is misaligned.
Excessive drain flow rate.
Leaks from spout.
Leaks from base of the delivery
tube.
Leaks from beneath the handle.
Drain Water overflows at the Air
Gap Faucet
Close the Feed Water Saddle Valve and relieve pressure before disconnecting any
tubing or replacing any fitting. Before replacing a fitting, re–cut the tubing
and re–insert into the fitting to see if that solves the leak. If pipe threads are
leaking, remove and retape with Teflon tape.
Fitting leaks in general
Faucet leaks or drips
