Pentair PRF-RO User Manual

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PRF-RO

Questions and Answers:

L
Lori StephensAug 11, 2025
Why Pentair Water Filtration Systems have poor product water quality?
- J
  james81Aug 12, 2025
  If your Pentair Water Filtration System is producing poor water quality, it could be due to a few reasons. If the water sample was taken during system flush, take a new sample after three minutes of continuous operation. Low driving pressure can also cause this issue; increase the feed pressure, consider using a pump for low-pressure locations, shorten tubing runs to decrease flow restriction, or increase the tubing diameter for longer distances. A plugged prefilter might be the cause, so replace it, and consider a sediment prefilter for non-chlorinated applications. Finally, the RO membrane might be scaled, fouled, or damaged, in which case you should replace the RO membranes.
S
Sabrina SmithAug 23, 2025
What to do if concentrate water runs to drain after faucet shut off in Pentair Water Filtration Systems?
- D
  David MullinsAug 23, 2025
  If concentrate water continues to run to the drain after shutting off the faucet of your Pentair Water Filtration System, it could be due to a plugged prefilter. Replacing the prefilter might solve the issue; also, consider using a sediment prefilter for non-chlorinated applications. Another possible cause is a leak in the product line; find and repair any leaks. You might want to install a pressure gauge in the product line to help identify a product pressure leak.

Pentair PRF-RO Specifications

General

Brand	Pentair
Model	PRF-RO
Category	Water Filtration Systems
Language	English

Summary

SAFETY GUIDES

THE BASIC REVERSE OSMOSIS SYSTEM

Tools and materials required

Lists necessary tools and materials for system installation.

Location of system

Describes optimal placement for the RO system under a sink.

INSTALLATION

Install cold water supply valve

Instructions for connecting the cold water supply valve.

Install drain adapter

Steps for fitting the drain adapter to the sink tailpiece.

Install faucet

Procedures for mounting and assembling the RO system faucet.

Make tubing connections

Details on connecting various tubing lines to the system components.

Install RO assembly

Guidance on positioning and connecting the main RO unit components.

System startup

Steps for initial system filling, flushing, and pressure testing.

TO CARE FOR THE RO SYSTEM

Replacement of prefilter and postfilter

Schedule and procedure for replacing pre and post filters.

Replacement of RO membrane elements

Guidelines for replacing RO membrane elements, including lifespan.

REPLACEMENT OF THE PREFILTER, POSTFILTER, AND RO MEMBRANE ELEMENTS

SPECIFICATIONS

Performances

Minimum and maximum operating conditions for the RO system.

Dimensions

Technical drawings and measurements of the RO system components.

TROUBLESHOOTING

INSTALLATION INFORMATION AND INSTRUCTIONS FOR DRAIN COUPLING, DRAIN-BOAT™ MODEL DC9700

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