Page 14
Membrane Replacement
Membranes have a life expectancy between 2 and 5 years, depending on the incoming water conditions and the
amount the RO system is used. This reverse osmosis membrane is critical for effective reduction of total dissolved
solids (TDS). The product water should be tested periodically to verify that the system is performing satisfactorily.
Normally, a membrane would be replaced during a semiannual or annual fi lter change. However, if at any time
you notice a reduction in water production or an unpleasant taste in the reverse osmosis water, it could be time
to replace the membrane. Premier recommends replacing the membrane when TDS reduction falls below 75%.
Step 1
Step 3
Remove the horizontal membrane housing on top of the unit by
turning it counter clockwise to loosen.
Turn off the incoming water supply to the RO at the adapt-a-valve.
(Follow the green tube away from the RO system to fi nd the adapt-
a-valve.)
Pull fi rmly on the yellow RO membrane to remove it from the housing
and discard.
Lubricate the O-rings on the new membrane with a water soluble
lubricant such as KY Jelly ®. Insert the end with the two black
O-rings into the cap. Twist the membrane as you push it fi rmly into
the manifold.
Step 4
Step 5
Step 6 Replace the membrane housing onto the cap by turning clockwise.
Tighten securely.
A water sample may be sent to Premier for a free diagnosis of your membranes performace. To
send a water sample, use two (2) clean containers and fi ll ½ cup of tap water in one container
and ½ cup of reverse osmosis water in 2nd container. Clearly label each sample. Send the
samples to the address listed on the cover of this manual attention “Water Samples”. Premier
will test the water and mail or call you with the results.
Note:
Open the RO Faucet and allow water to drain from the tank until it
is completely empty.
Step 2
Before re-installing the membrane housing back on to the
system, check O-ring on the housing to make it is still in
place and lubricate with water soluble lubricant.
Caution:
This reverse osmosis system contains a replaceable component (the RO membrane) which is critical to the effi ciency of
the system. Replacement of this reverse osmosis membrane should be with one of identical specifi cations as defi ned by
Premier to assure the same effi ciency and contaminant reduction performance.
Step 7 Follow Start up instructions on page 11.
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