Instructions / Assembly

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3) Discard 3 used filters, wash housings with mild soap, rinse off. Put 3 new filters into their respective
housings: sediment filter in stage-1, carbon block filters in stages 2 & 3.
4) Close up the housings. Make sure each housing has a black O-ring in the thread groves. Use wrench
to tighten each housing.
5) Remember: Turn ON the cold water supply and OPEN the tank valve after finished changing filters!
6) Check for leaks!
After taking the housing off, take out the
dirty filters and put the new 3 pre-filters
in. Remember, Stage 2 and Stage 3 are
the same carbon filters.
Fig. 14
How to Replace Stage-4 Membrane:
1) Turn OFF the cold water supply to RO system. Turn OFF tank ball-valve. Lift up RO faucet lever briefly to
relief the built-up pressure inside the RO system. This will make opening the housings easier.
2) See Fig.14A. Locate the Membrane housing on the system (labeled “Membrane”). Remove the WHITE
tubing from the housing’s cap at point D. To remove tubing, Push In and Hold Down on the collet ring
square against the fitting. With the collet held in this position the tube can be removed. Open up the
cap (turn counter-clockwise). Remove the used membrane and discard. Insert the new membrane using
a pair of pliers. Push membrane into housing. Avoid touching the Membrane with your hands to prevent
contamination!
3) Important! Make sure the “double-ring” end of the membrane goes into the housing first as shown in
Fig.14B below. The membrane cannot filter water if it’s inserted in the WRONG direction!
4) Close the housing cap. Reconnect the WHITE tubing to the cap. Turn on the cold water supply and tank
valve. Let the RO system run to re-fill the tank (takes about 2-3 hours).