Originally Posted by
sign guy
its a very small pice of plastic and it should be where your rejected water line meets your pressure vessel. you just un s_crew the fitting and pul the line away from the unit and it'll fall out.
yes its a one time thing and they are fairly cheap no more than 10 bucks. just make sure to place the new one in the same way the old one came out or youll blow your tfc membrane
i finally just got all of the filters but I cant figure out how to install the flow restictor
here is a picture of it and also the ro units
