Instruction Manual
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Dirt can become embedded in the sediment lter and cause slower ow rates.
Use the included lter wrench to loosen the lter housing.
Be careful not to overtighten when reinstalling. It is preferable
to hand tighten lter housings after a lter change.
The Reverse Osmosis membranes have a useful life of 6 months to 2 years
depending on how high your source water PPM reading is, if there are high
levels of certain contaminants (such as iron & silica), how much water you
produce and regular prelter maintenanance.
There are two indications as to when to change your membranes.
test the RO and source/inlet water to see what percentage of the inlet
water’s PPM the VWHDOWK52
200
™
is ltering out (rejection %). You should see
approximately 98% of the inlet PPM’s being removed when the membranes are new.
If the rejection % falls under an acceptable level (typically 90%) it’s time to
change the membranes.
when the ow rate of the product water slows down signicantly.
This can also happen if your pre-lters are clogged. If you change your pre-lters
and the product water still ows slowly then it’s an indication you need a new
membranes. When it doubt contact Hydro-Logic.
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67(3
$ Remove the white 1/4”
tubing from the membrane
housing by following
directions on page 8
% Next, pull that same
end of the membrane
housing straight up to
release it from the clip
If your water is highly contaminated, then you may need to change the
membranes more often. If your water is relatively clean and you keep up with
your pre-lter changes they may last you 2 years+.
Filter Changes / Maintenance (cont.)