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7) Filter Housing Is Leaking
If you are experiencing a leak from any of the pre-filter housings on the reverse osmosis system, the rub-
ber O-ring may be defective. The filter housing must have an O-ring in order to seal properly. Please
review the steps below to address a leaking filter housing.
Please follow the steps below:
Step 1. Shut off the feed water line to the RO unit. Turn off the tank ball valve by turning the
Blue Cap on the tank ball valve 90 degrees.
Step 2. Use the filter housing wrench to un-
screw the filter housing that is leak-
ing. Make sure the O-ring is seated
correctly inside the filter housing
groove. You may also want to apply
some lubricant around the O-ring.
This will help secure the O-ring in the
filter housing groove.
Step 3. Re-attach the filter housing to the
RO head. Hand tighten the housing,
then use the filter housing wrench
and simply give an additional quarter
inch turn. Do Not over tighten the
housing.
Step 4. Open the tank ball valve and feed
water line. Check for leaks. If the fil-
ter housing continues to leak, please
contact APEC technician for replace-
ment assistance.
8) There is a leak at the Tank ball valve connection
If you are experiencing a leak from where the tank ball valve attaches to the tank stem, you may not
have applied enough Teflon tape to the stem when you first installed the valve. To correct this issue, flush
out any water that may of filled the tank, then remove the tank ball valve. Apply 6-8 wraps of Teflon
Tape to the tank stem and re-attach the tank ball valve. Please double check the connection for leaks.
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