How to replace filters on a reverse osmosis system and perform a service

We put together this simple video to demonstrate how easy it it to replace the filters on your reverse osmosis system. While replacing filters it’s a really good idea to sanitize and perform a simple service on your system.

The video is less than 5 minutes long.

Water2buy recommends you perform a service on your reverse osmosis system once a year. This will help to kept your water both clean and tasteless.

Turn off the water and isolate the reverse osmosis system by closing the saddle valve.
The reverse osmosis system will have water in the tubing and filter housings, drain all the water out.

Remove the PP sediment filter housing using the wrench provided.
Take out the old sediment  filter.
Use a food grade disinfectant to clean out the filter housing using a clean cloth. Disinfect your hands before handling the replacement filters.
Insert the replacement sediment filter into the housing and make sure it fits onto the reverse osmosis unit.
Make sure the rubber o-ring is placed correctly in the filter housing.
Screw on the filter housing using the wrench, make sure not to tighten too much or you will damage the o-ring.

Remove the GAC filter housing using the wrench provided.
Take out the old GAC  filter.
Use a food grade disinfectant to clean out the filter housing using a clean cloth.
Disinfect your hands before handling the replacement filters.
Insert the replacement GAC filter into the housing and make sure it fits onto the reverse osmosis unit.
Make sure the rubber o-ring is placed correctly in the filter housing.
Screw on the filter housing using the wrench, make sure not to tighten too much or you will damage the o-ring.

Remove the CTO filter housing using the wrench provided.
Take out the old CTO  filter.
Use a food grade disinfectant to clean out the filter housing using a clean cloth.
Disinfect your hands before handling the replacement filters.
Insert the replacement CTO filter into the housing and make sure it fits onto the reverse osmosis unit.
Make sure the rubber o-ring is placed correctly in the filter housing.
Screw on the filter housing using the wrench, make sure not to tighten too much or you will damage the o-ring.

Next replace the taste and odor filter.
Remove the blue clips from both ends of the filter and disconnect the tubing.
Remove the old filter and replace with the new one.
Make sure all packaging is removed and the filter clicks into the holder.
Reconnect the tubing and and put the blue clips back on.

As part of replacing your filter you should also service your tank.
Close the valve at the top of the tank and remove the tubing.Empty the water from your tank into your sink by open the valve, note the water will be pressurised.
Screw off the valve and disinfect the tank by squirting the disinfectant into the valve opening.
Screw the valve back on to the tank.
Next check the pressure in the tank, You can use any standard gauge.
Your pressure should be 5-7 PSI or 0.3-0.5 Bar.
If it is lower, use a pump to increase the pressure.

Every 2 years you need to replace the reverse osmosis membrane filter.
Remove the blue clip from the membrane housing and disconnect the tubing.
Remove the cap from the end of the housing using the spanner provided.
Remove the old membrane.
Use a food grade disinfectant to clean out the filter housing .
Remove all the packaging from the new membrane.
One end of the membrane will have 2 black O-rings, this end should be inserted first.
Make Sure the O-ring sits correctly in the filter housing cap before putting it back on.
Tighten with spanner.
Reconnect the Tubing and the blue clip.

That completes your reverse osmosis service.
Service is the same on both pumped and non-pumped models.

Thank you for choosing Water2buy,
Water filtration made easy.

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