How to hook booster pump

[banthonyb71]

Hello.. just trying to figure out where does the pressure switch go on this currently ro only setup. this is how I will have to plumbed with a 2nd membrane. does it go on faucet line? pump is aquatec 8800

 

[griss]

Here’s mine. Post membrane, after ASOV and before DI.

Since you’re going to be running w/out DI temporarily, you’d want to put it right before the taste/odor filter.