How to flush ro filter.

21 Sep.,2022

Really stupid question. When you flush an ro filter before/after use, do you open all taps (feed, waste, product)? Or just the first two? Or none?! At the...

 

Photocatalyst Filter

Probably not, but can't say from those pics.

It is really just a T-piece & another tap. Split the feed from membrane to DI, add the T-piece and add a tap on the new line, straight to waste (or to collect drinking water if you wish).

When flushing, open the new tap to waste, ensuring the original product line out of the DI remains closed. All the high TDS water goes straight to waste rather than through your DI, making a surprisingly large difference to DI resin lifespan.

Tim