• 1 of 3
Viqua Viqua VT4-DWS Combo UV System with Lead Reduction Single Tap 3.5 GPM VT4-DWS-
Viqua Viqua VT4-DWS Combo UV System with Lead Reduction Single Tap 3.5 GPM VT4-DWS-

Viqua VT4-DWS UV System with Sediment and Carbon Filter 3.5 GPM

4 - 6 weeks
$723.00 $745.00
(You save $22.00)


You want great-tasting drinking that is contaminant free? You need the VIQUA VT4-DWS. This economically-priced single tap water filtration system combines the compact VT4 UV System with two high-capacity 20" filters, designed to reduce small particles and improve taste and odor of your water.

The UV system (VT4) is equipped to inactivate chlorine-resistant parasites such as Cryptosporidium and Giardia, harmful bacteria like E.Coli, and viruses not visible to the naked eye. The two filter housings include: 1) 5-micron sediment filter and 2) carbon filter to reduce chlorine, lead, and improve water taste.

System is capable of 100-240V, 50-60Hz. Though the VIQUA VT4-DWS comes in various voltages, be aware of which versions meet your requirements since the electrical connections are integrated into the controller making specific models suitable for specific voltages.

✔ Powerful Protection: Chemical free way to remove 99.99% harmful bacteria
✔ Better Taste: 20" carbon and sediment filters improve taste and odor of water
✔ Reliable: Protects 24/7. High-performance lamp tested for consistent output (9000 hours)
✔ Application: Flow rates of 3.5 gpm, making it ideal for single faucets in homes, cottages, and condos. Can be easily installed at your sink and is for point-of-use (POU) applications
✔ Space Efficient: UV system combined with compact 20″ filters designed to fit under the counter
✔ NO RISK: 10-yr warranty on VIQUA chamber, 3-yrs on electrical parts, and 1-yr warranty on lamps


PDF icon  Lamp (S330RL) - Replace every 12 months

PDF icon  Quartz Sleeve (QS-330) - Replace every 24 months or as needed

PDF icon  Lamp/Sleeve Combo Kit (S330-QL)

PDF icon  Sediment Filter (AWP110-2) - Replace every 6-12 months or as needed

PDF icon  Carbon Block Filter (C-02 or OMB200-10m) - Replace every 6-12 months or as needed


prefilter.pngPRE-FILTER: Includes sediment and/or carbon pre-filtration


  • Application: Point-of-Use
  • Flow Rate: 3.5 Gallons Per Minute
  • Power: 20W - Available in 100-140V 50Hz (NEMA 5-15P Plug only) or 200-240V 60Hz options (CEE 7/7, BS 1363, or AS 3112 options available.)
  • Dimensions: 19" x 27.5" x 6"
  • Inlet Dimensions: 3/8" JG Quick Connect
  • Outlet Dimensions: 3/8" JG Quick Connect
  • Electrical Plug Types Available:
    • B – North & Central America, Japan (NEMA 5-15P) - 100V-140V 50Hz
    • F – Europe, Brazil, Russia (CEE 7/7) - 200-240V 60Hz
    • G – UK, Ireland, Singapore, Hong Kong (BS 1363) - 200-240V 60Hz
    • I – Australia, New Zealand, Argentina (AS 3112) - 200-240V 60Hz


  • Chamber: 10 Years
  • Electric: 3 Years
  • Lamp & Sleeve: 1 Year


PDF iconVIQUA VT4-DWS Owner's Manual

PDF iconVIQUA VT4-DWS Spec Sheet

PDF iconLamp and Sleeve Replacement Instructions

Free Shipping on most Orders over $99.00 in the U.S.A

Click the button below to add the Viqua VT4-DWS UV System with Sediment and Carbon Filter 3.5 GPM to your wish list.