Question:
In a Watts Premier 5 water filtering system I need procedure for backflushing a reverse osmosis (RO) membrane?

Answer: Go to http://www.premierh2o.com/premier/manual... for and on-line manual for membrane maintenance.

You need a clean water on the inlet line(pressure side) and bypass the membrance and in to the filtrade end and also a drain line for flushing + isolation valves for reverse flow