APEC Water Systems O-RING-SET User manual

Step 2. Use the filter housing wrench to unscrew the filter

housing and remove the old O-ring with a pair

of pliers.

Step 3. When putting in the new O-ring, make sure it is

seated correctly inside the filter housing groove.

You may also want to apply some Vaseline around

the O-ring. This will help secure the O-ring in the

filter housing groove.

Step 4. 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 5. Open the tank ball valve and feed water line.

Check for leaks.

The filter housing must have an O-ring in order to seal properly. Please follow steps below for

installation.

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.

Filter Housing O-ring Replacement Instruction