Use and Care Manual
www.123filter.com | (678) 261-7611 | Support@123Filter.com Page 2 
Table of Contents 
System Installation 
Prior to Installation .............................................................................................. 3 
Component Identification .................................................................................... 4 
Installation Tips ................................................................................................... 5 
Installation Steps ................................................................................................. 7 
Step 1: Installing the Feed Water Adapter ........................................................... 8 
Step 2: Installing the RO Faucet .......................................................................... 8 
Step 3: Installing the Drain Saddle ....................................................................... 9 
Step 4: Installing the Vertical Filters: Stages 1, 2, and 3 ...................................... 9 
Step 5: Installing theTank Shut-Off Valve ........................................................... 9 
Step 6: Installing the Reverse Osmosis Membrane ............................................ 10 
Step 7: Tubing Hook Up .................................................................................... 10 
Step 8: System Start Up ..................................................................................... 12 
Owner's Manual 
Section 1: iSpring RO System Maintenance ...................................................... 14 
Section 2: Knowledge Base and FAQ ................................................................ 18 
Section 3: Troubleshooting Guide for Newly Installed Systems ........................ 21 
Section 4: Glossary and Terms to Know ............................................................ 23 
Warranty 
Warranty Registration ........................................................................................ 26 










