How To Install Your Reverse Osmosis System

Standard filtration of water transformation into something better is time-consuming. Thus considering reverse osmosis system and addressing specific water problems is useful. Reverse osmosis helps in removing contaminants in the large majority from the water. This is a technology that pushes water through a semi-permeable membrane under pressure. There are few steps involved before you consider installing reverse osmosis system.


The storage tank and the assembly of reverse osmosis should be unboxed, checked for their good fit in the desired location. Check the adjustment required with pipes, drains or anything else prior to installing the RO system. The best reverse osmosis systems can be installed even in a garage. Actually, proper planning is required before installing as not much room is required even to fit under the sink, but it involves more installing work.

Install The Faucet

There is a need to install the faucet and this should be done first so that the lines are available under the sink. Now, mount the RO faucet housing on the kitchen sink with the provided hardware. Feed down the water line and connect the red tube (air gap) into the faucet. Do this before locking down the faucet onto the housing.


Installing the tank connector is essential before positioning the tank. Screw to the tank the connector to avoid cross threading and apply plumbers tape to the nipple of the tank thread so that it threads easily and hand tight the connector.

Filter Assembly

Remove the assembly cover filter; mark the locations on the wall to hang such that the RO unit is positioned straight. Ensure to keep at least 15 and ½ “distance from the floor so that there is enough room to clean filters and for filter assembly.

Water Line

The 2/4” green water line is hooked to the water line supply.  If the adapter is not used as there is built-in faucet of 3/8 “, you may shut the water and install a 3/8 x 3/8x ¼ adapter tree so that the faucet is hooked back and there is a green feed tube in ¼ “ line. The green line may be hooked using ferrule, nut and insert.

Connect Tubing

Maintain extra length of tubing and keep it in the cabinets back. Leaving extra tubing is helpful when the reverse osmosis system requires being moved anytime later. The connecting tubing may be trimmed to give a cleaner look.


There is a drain tee included with the system, you must set it to the pipe and cut it. Ensure the cuts such that tee fits properly. The washers and nuts can be tightened easily and the drain end must be screwed using washer and nut. The drain tee is mostly installed vertically.

Pressure Test

Open the cold water supply to get air out of the pipes. You have to wait around 2 hours for the reverse osmosis system to build up the pressure. Check fittings and then tighten leaking or lose fittings, if any. Drain the system keeping the faucet on and empty it for 24 hours before drinking. Once the tank becomes empty, the water will come as a slow trickle, leave it for 24 hours and you may continue your pressure test at this time to ensure no leaks.

Leave a Reply

Your email address will not be published. Required fields are marked *