Reverse Osmosis - Plunger Use

Before using a plunger on the sink drain that the RO drain line is connected to, we recommend the following:

  1. Disconnect the RO drain line from the sink drain line.
  2. Plug the opening with 3/8" plug or other correct plumbing fitting.
  3. Have towel and bucket handy in case water comes out of the drain line connection when drian line is removed.