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How to Move a RO System to New Home

Please follow the steps below in moving your RO system:

  1. Turn OFF the feed water supply to the RO unit.
  2. Turn ON the RO faucet (lift black lever into locked position) to drain out all pure water from the tank. 
  3. Once the tank has fully emptied, remove the YELLOW Line from the tank’s ball valve. Once the yellow tubing is removed, please turn off RO faucet. Read more

How Much Pressure Can RO Deliver to My Ice-Maker?

The RO’s delivery pressure depends on how full the tank is. The pressure is high when tank is full and drops when tank depletes. See charts below for 4gal tank and 14gal tank.

4-gallon tank’s delivery pressure:

  • 3.0 gallon —> 50 psi output/delivery pressure (pressure inside tank)
  • 2.5 gallon —> 36psi
  • 2.0 gallon —> 24 psi Read more

How to Add a Lead-Reduction Carbon (FI-PB1) Filter To Your R.O. System

The Lead-Reduction Carbon filter (FI-PB1) is recommended to be added to your R.O. system as a Stage-6 Specialty Filter.  Add this filter between the Stage-5 filter and the dispensing faucet as shown in the Diagram below. 

Some extra ¼” tubing are provided in case you need to make a longer connection.

  • Step 1:  Put the filter cartridge into the Housing (remove cartridge wrapping). Close the housing cap tightly. Read more

How to Connect Two Storage Tanks To APEC RO System

The two storage tanks should be hooked up side-by-side in parallel. The RO system fills up both tanks simultaneously. When you dispense pure water, water is drawn from both tanks simultaneously.

See figure below for tank connection:

  1. Add T-fitting to divert output into 2 directions   
    • Between points B and Y is the pure water line (Yellow line). Read more

Bad Taste To RO-CTOP Pure Water

If you are experiencing a bad taste in the Pure Water, the RO Membrane or Stage 2 or 4 Carbon filter may be depleted and needs to be replaced. Please follow the steps below to determine if the membrane or stages 2 and 4 carbon filters needs to be replaced.

  • Fill up a clean cup of water from the RO Unit.
  • Take a Pure Water TDS reading with the supplied TDS Digital Meter that came with the RO unit. Read more

What to Do When Drain Water Runs All the Time

Our RO systems are designed to shut off automatically when the tank is full. When the RO fails to shut off after tank is full, drain water will continue to run, possibly depleting the pre-filters, the membrane, and costing high water bills.

If the drain water is running non stop, the input water pressure may be too low (below 40psi). Not enough pressure to shut off the RO at all,  check input water pressure. If pressure is below 40psi, you may need to switch to Booster-Pumped RO model. Read more

Why Does the Water From My RO System Seems Cloudy?

The water out of my RO system seems milky or cloudy, what is the reason for this issue?

This is generally caused by trapped air within the RO system. However, it will not affect the quality of your water. The cloudiness should disappear within a minute after water sits in a glass. This is a normal occurrence with a newly installed RO System or after a filter change. You can release the air from your RO system by draining the tank 1 to 2 more times or using RO makes humming noise air release instructions in your system manual (see below). Read more

APEC RO-CTOP System: Faucet Adaptor Kit Replacement

To replace the faucet adaptor on your RO-CTOP system, please follow the instructions below:

  1. Remove faucet adaptor:  Unscrew and remove the feed water Faucet Adaptor from your faucet.
  2. Remove double-flex line from Stage-1 filter:  See Figure A below. Read more

APEC RO System: Permeate Pump Replacement

To replace the Permeate Pump on your RO system, please follow steps below:

  1. Turn off the feed water to the RO system. Close the tank’s ball valve by turning the blue cap on the tank ball valve 90 degrees. Turn on the RO spigot, lift lever up & lock –> this relieves the pressure in the RO system, making it easier to remove the lines connected to the Permeate Pump. Read more

Saddle Feed Installation Instructions for 3/8″ Brass adapter

Before connecting your extender tee, close your supply stop and disconnect the water line to the faucet at the supply stop valve.
Attach the extender tee to your supply stop and re-connect faucet water line to the inline outlet.
Connect new supply line from your water appliance to the branch outlet of your new extender tee.

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