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Page 3www.123filter.com | (678) 261-7611 | Support@123Filter.com
System Installation
Prior to Installation
Inspect the package
Open the box and remove all of the components. Inspect them to ensure nothing was damaged
during shipping. If any part is cracked or broken, please immediately contact iSpring Customer
Support for a replacement. Identify and get familiar with the components. Note, the RO membrane
is a “wet” type, and it is vacuum sealed with pure water.
Recommended tools list
● Variable speed drill with two bits: ¼” (for drilling a hole on PVC drain pipe), ½” hollow
diamond (for drilling a hole on countertop for drinking faucet)
● 5/8”, 9/16” open-end wrench, or adjustable wrench, pliers
● Phillips head screwdriver
● Scissors or utility knife
Operating conditions
● Minimum water pressure: 45 PSI, otherwise a booster pump is necessary to raise the
incoming water pressure and improve the RO efficiency.
● Maximum water pressure: 70 PSI, otherwise a pressure regulator (part no. APR70) is
required to lower the PSI to the maximum level.
● Operating water temperature range: 40 – 100 °F (4 - 37 °C) (This RO system is NOT
designed for HOT water). The RO process will be slightly faster the warmer the source
water is and vice versa.
● Maximum TDS: 750 ppm
● Install this RO system in a location where it is safe from hot/cold weather and direct
sunlight. Avoid hitting, dropping, or dragging the system as this can cause cracks and leaks.
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