Replacement As Easy As 1-2-3
|Replacing The Pre &
Open the spigot to drain all
the water out of the storage tank (get a container to save the water). Shut
off the system by turning off the water supply, and turn off the holding
Place towel under the unit for
Use a filter wrench or by hand
to open the filter housing, unscrew it from right to left.
Throw away the used filter,
and clean the inside of the housing by rinsing it or scrubbing it.
"Watch for the black "0" ring
inside the filter housing (DONíT LOSE IT!).
Place the new filter inside
the filter housing.
Place the "O" ring in the housing
grove (MAKE SURE IT IS IN PLACE)
Put some Vaseline or silicon-based
lubricant on the side of the housing threads.
Use a filter wrench or by hand
to screw the housing back into place by turning it from left to right (Donít
lay down the unit while screw it in, the unit should be stand upright to
prevent the O-ring from slipping).
Repeat the above steps for other
After all housings are tight,
turn on the water supply and storage tank valve.
Observe for any leaks, if there
is leak, tighten the housing or re-aligning the O-ring.
If you are changing a carbon
filter or membrane, you must drain the first tank of water after restart
The Inline Polishing Filter
Be Sure To Order The
Correct Filter For Your System
Some Reverse Osmosis
Systems Require Polishing Filters With Threaded Connections, Others Require
Polishing Filters With John Guest "Quick-Connect" Fittings.
Use This Guide To Choose
This filter has Threaded
This Filter uses "Quick
Connect" fittings. Note how the tubing is simply "pushed in" to the
|On Reverse Osmosis Systems
which have a "T" on one end, or require you to remove the fittings from
the old filter and place on the new filter use a Polishing Filter with
CONNECTIONS. Also, some systems, such as Culligan, require the Polishing
Filter to be screwed into the Manifold Housing on one end. This also requires
||On some Reverse Osmosis
Systems, the Polishing Filter has only the water line going in on one end
and a water line going to the faucet on the other end. There is no "T"
fitting screwed into the end.
With this type of arrangement,
you may use a Polishing Filter with John Guest "QUICK-CONNECT" fittings.
These type of systems may
also tell you to unscrew the fittings from the old filter and place them
on the new one. If this is the case, order a replacement filter with Threaded
To Remove The Tubing,
Push the Gray Collette In Towards the Filter and Pull the Tubing Out.
To Install, Simply push
the tubing all the way into the "Quick-Connect" fitting.
|Replacing The Reverse Osmosis
Follow "Change Filters Procedures"
above steps 1 to 3
do have a video which explains this procedure. CLICK HERE
Free the membrane from the
Use a 5/8" wrench to remove
the tubing from the membrane vessel (the inlet side of the membrane vessel,
or the side with the membrane vessel cap).
Unscrew the membrane vessel
cap off (counter-clockwise).
Use pliers to pull the membrane
out of the membrane vessel, and discard the used membrane.
the new membrane into the membrane vessel (THE END WITH DOUBLE BLACK
O-RING GOES IN FIRST).
Push the membrane all the
The above pictures show a properly installed
RO Membrane. You MUST make sure that the O-rings on the membrane are properly
seated in the bottom of the membrane housing!
Notice, in the picture on the right,
that the membrane is almost flush with the end of the membrane housing.
Look inside the membrane housing and
you will see the seat at the bottom of the housing that the O-Rings need
to slide into.
It is a tight seal and you may have
to grab the plastic end with pliers and gently twist the membrane as you
push it in. This will help align the O-Rings in the housing seat to allow
the membrane to slide all the way in.
DO NOT try to force the membrane in
by tightening the cap!!! This will only damage both the membrane and the
Put some silicon based lubricant
to the side of the vessel threads.
Screw the membrane vessel
cap back (clockwise).
Connect the tubing to its
Turn on the water supply
and tank valve to restart the system.
Observe for leaks, if there
is leak, tighten the cap.
Wait 2 to 3 hours for the
tank to be filled then you must drain the first tank of water by opening
up the faucet to flush the system.
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|*The replacement filters
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that manufacture the underlying water treatment equipment unless so noted.
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