Step 7
Inspect O-rings for wear and replace them if needed (order part no.
WP113029 from Watts.) Lubricate O-rings with a water soluble lubricant such
as KY Jelly
®
, (petroleum based lubricants such as Vaseline
®
must not be
used.) Be sure to properly seat the O-ring in the housing before threading the
housings onto the lid assembly.
Note:
Keeping the RO module in an upright position while re-attaching the
housings will help ensure the O-ring stays properly seated and reduces the
possibility of leaks.
9
Semi-annual maintenence continued
Annual maintenence
Step 1
Perform Semi-annual Preventive Maintenance Steps on page 8.
Note:
For the annual maintenance drain the tank.
Step 2
Replace the final filter by removing the white nuts from both ends of the filter.
Remove the connectors from both ends (keep and reuse). Discard the old final
filter and replace with new filter reusing the connectors
Note:
Flow arrow on final filter must be pointing in the direction of water
flow to the faucet.
Step 3
The tank shut off switch has quick-disconnect connectors. Remove the blue
tube from the tank side of the tank shut-off switch. Depress the gray ring with
the tip of your finger and pull the tube straight out.
Step 4
Use a clean eye dropper to insert a teaspoon of 3% hydrogen peroxide or com-
mon household bleach into the blue tube. (This will flow into the tank once water
is turned back on to unit.)
Step 5
To reconnect insert tube into the connector and push firmly.
Step 6
Follow Start Up procedure on page 8
Step 8
The sediment filter has a cloth like appearance. It must be laced in the 1st
housing on the left where the water inlet connects.
Step 9
The carbon bock filter has a mesh covering and has a gasket on each end.
Replace the filter in the 2nd housing with the carbon block filter.
Step 10
Visually inspect O-ring to be sure they are properly seated before threading the
housing onto the lid assembly and hand tighten securely.