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RO-45 / RO-PUMP System Filter Change Instruction

RO-45 System Filter Change Instruction

RO-PUMP System Filter Change Instruction

Long Term RO Storage Procedures (1-3 years):

If you don’t use your RO system for an extended period, there are 2 ways to store the RO depending on whether you need to de-install the system or not.

  1. If the RO remains hooked up to your pipes: During idle period, just turn OFF the feed water (close the needle valve), and close the tank’s valve, let the RO stand as is. When ready to use the RO again, just drain out the old tank of water. Let the tank fill up, drain out the tank again to flush the system. The 3rd tank of water is ready for use. Read more

How to Protect Reverse Osmosis (RO) from Freezing Temperatures

If you must leave your RO system idle in possibly freezing temperatures, please follow the steps below to help protect the RO from cracking under freezing temperature.

  1. Turn OFF the cold water supply to the RO system.
  2. Drain out all water from storage tank through the dispensing faucet. Close the tank’s shut-off valve. Read more

How To Sanitize The Reverse Osmosis (RO) System

Here are the steps to sanitize your RO system.

  • Shut off main valve (Point X )
  • Dispense water from Pure Water Faucet (completely dispense water) Read more

Flow-Restrictor Replacement (APEC RO Systems)

The Flow-Restrictor is located on the black drain water output line, sitting behind the membrane housing. It is used for restricting the drain water flow that is discharged from the membrane housing.

How to replace the Flow Restrictor:

  •  To reach the flow-restrictor, pull the membrane housing out from its bracket, exposing the flow-restrictor for replacement. Read more

How To: Auto-Shut-Off (ASO) Valve Replacement

To replace the Auto-Shut-Off valve on your RO system, please follow steps below:

  1. Turn off the feed water to the RO system. Close the tank’s ball valve. Turn on the RO spigot, lift lever up & lock –> this relieves the pressure in the RO system, making line removal easier.
  2. The ASO valve is mounted on the RO frame. There are 4 ports on the ASO valve, see diagram below. Each port connects to a water line: Two RED lines in ports #1 and #2 (at bottom), two CLEAR lines in ports #3 and #4 (on top).
  3. Take ASO valve out of its bracket.  Please note how the 4 lines are connected to the old ASO, so you can re-connect the lines to the correct ports on the new ASO valve. Read more

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