500109 - WP-4V Manifold VOC Reverse Osmosis System, by Watts Premier
Reverse Osmosis

500109 - WP-4V Manifold VOC Reverse Osmosis System, by Watts Premier

  • Vendor:Premier a Watts Brand
  • Category: All, H2O Specials, Manifold Design, Reverse Osmosis, Top 20, VOC Design
Availability: In Stock
$ 265.95
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The Watts Premier WP-4V VOC Reducing Reverse Osmosis System uses Premier's innovative modular.  This design cleans up the physical appearance eliminating all of the tubing running on the outside of the Reverse Osmosis System.  The Manifold Design also eliminates up to 17 possible leak points compared to a standard system. The WP-4V is paired up with a high quality Designer Chrome, Top Mount, Monitored Faucet that lets you know when it is time to replace the filters in your system.

The WP-4V Reverse Osmosis Filtration System uses a 4-Stage Filtration based upon separate treatments.

    • Sediment - A 5 Micron Sediment Filter traps sediment and other particles like dirt, silt and rust which affect the taste and appearance of your water.

    • Carbon - A 5 Micron Carbon Block Filters reducing Chlorine, Chloramines and other materials that cause bad taste and odor.

    • 50 GPD Membrane -  A Semipermeable Membrane removes TDS, Sodium and a wide range of contaminants such as Chromium, Arsenic, Copper, Lead as well as Cysts, such as Giardia and Cryptosporidium./li>

    • VOC - A high quality VOC Final Polishing Filter after the water storage tank to remove MTBE's, Atraine, Benene, Chloroform, Lindane and other VOC's from your drinking water.

Click here to download your Product Manual.


Parameter Minimum Maximum
Operating Temperatures: 40°F (4.4°C) 100°F (37.8°C)
Operating Pressure: 40 psi (2.81 kg/cm2) 100 psi (7.03 kg/cm2)
pH Parameters: 2 11
Iron: N/A 0.2 ppm
TDS (Total Dissolved Solids): N/A <1800 ppm
Turbidity: N/A <5NTU
Hardness: N/A 10 Grains Per Gallon



      • Reverse Osmosis Filtration System

      • 3-Gallon Storage Tank

      • Chrome, Top Mount, Monitored, Air-Gap Faucet

      • Adapt-A-Valve™

      • Full Set of Filters

      • 50 GPD Membrane


Product Dimensions

        • Rack and Cartridges (15.8" W x 16.7" H x 4.8" D)

        • Tank (13.6" H x 11.0" D)

        • Model # RO-WP-4V, Item # 500109

(Due to the individual fittings the exact measurements may vary slightly.)

What your Warranty Covers

If any part of your WP-4V Reverse Osmosis System is defective in workmanship (excluding replaceable filters and membranes), return unit after obtaining a return authorization (see below), less tank, within 1 year of original retail purchase, Watts Premier will repair or, at Watts Premier’s option, replace the system at no charge.

How to Obtain Warranty Service

For warranty service, call 1-800-752-5582 for documentation and a return authorization number. Once the return authorization number has been created, ship your Reverse Osmosis unit (less tank) to our factory, freight and insurance prepaid, with proof of date of original purchase. Include a note stating the problem experienced and include your name, address and your return authorization number. No returns will be accepted without the proper return authorization number. Watts Premier will repair it, or replace it, and ship it back to you prepaid.

What this Warranty Does Not Cover

This warranty does not cover defects resulting from improper installation, (contrary to Watts Premier’s printed instructions), from abuse, misuse, misapplication, improper maintenance, neglect, alteration, accidents, casualties, fire, flood, freezing, environmental factors, water pressure spikes or other such acts of God.

This warranty will be void if defects occur due to failure to observe the following conditions:

      • The Reverse Osmosis System must be hooked up to a potable municipal or well cold water supply.

      • The hardness of the water should not exceed 10 grains per gallon, or 170 ppm.

      • Maximum incoming iron must be less than 0.2 ppm.

      • The pH of the water must not be lower than 2 or higher than 11.

      • The incoming water pressure must be between 40 and 100 pounds per square inch.

      • Incoming water to the RO cannot exceed 100° F (40° C).

      • Incoming TDS/Total Dissolved Solids not to exceed 1800 ppm.

      • Do not use with water that is micro-biologically unsafe or of unknown quality without adequate disinfection before or after the system

This warranty does not cover any equipment that is relocated from the site of its original installation. This warranty does not cover any charges incurred due to professional installation. This warranty does not cover any equipment that is installed or used outside the United States of America and Canada.

Limitations and Exclusions

Watts Premier Will Not Be Responsible For Any implied Warranties, Including Those of Merchant-ability and Fitness for a Particular Purpose. Watts Will Not Be Responsible for Any Incidental or Consequential Damages, Including Travel Expense, Telephone Charges, Loss of Revenue, Loss of Time, Inconvenience, Loss of Use of the Equipment and Damage Caused by this Equipment and its Failure to Function Properly. This Warranty Sets Forth All of Watts Premier's Responsibilities Regarding This Equipment.

Other Conditions

If Watts Premier chooses to replace the equipment, Watts Premier may replace it with reconditioned equipment. Parts used in repairing or replacing the equipment will be warranted for 90 days from the date the equipment is returned to you or for the remainder of the original warranty period, whichever is longer. This warranty is not assignable or transferable.

Your Rights Under State Law

Some states do not allow limitations on how long an implied warranty lasts, and some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply. This warranty gives you specific legal rights, and you may have other legal rights which vary from state to state.

WARNING - This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.watts.com/prop65