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Viqua D4 Premium UV Water Treatment Purifier System (Part#:660089-R) - National Water Filters

Viqua D4 Premium UV Water Treatment Purifier System (Part#:660089-R)

  • $699.00
  • Save $191.00

The Viqua UV Water Treatment Purifier System D4 Premium is a complete ultraviolet light water filtration system for your home, which includes state of the art UV Water Treatment sensor technology. This UV Water Treatment Purification System provides contact information and lamp replacement reminders through its sensor technology. The Viqua UV Water Treatment System is also easy to maintain and manage.

Viqua UV Water Treatment System D4 Premium Details: 
  • Compact UV Water Disinfection System
  • Part Number: 660089-R
  • Ideal For: Bacteria
  • Flow Rate: 4gpm – 6gpm, 7gpm – 10gpm

The Viqua D4 Premium Ultraviolet Water Treatment & Purification System is the last innovation from Viqua, combining the reliable D4 model with the new LCD Interactive Screen. 

  • Highly featured whole-home UV disinfection system with graphical interface designed for recommended flow rates up to 12 gpm (45 lpm)
  • Overall foot print is extremely compact due to advanced lamp/chamber technology

This new controller features a large LCD backlit display for easy reading, simultaneously displaying lamp life remaining, UV Intensity Status, support contact information, and a lamp replacement reminder that indicates when the lamp needs to be replaced, ensuring continued water safety.


The Viqua D4 Premium UV Water Treatment System is a whole-home ultraviolet water filtration & treatment system that provides continuous water purification without the use of chemicals. 

Features & Specifications

Disinfection Flow Rates    
  16mJ/cm2 23 GPM (87 lpm) (5.2 m3/hr)
  30mJ/cm2 12 GPM (45 lpm) (2.7 m3/hr)
  40mJ/cm2 9 GPM (34 lpm) (2 m3/hr)
  Dimensions 20 1/2″ x 4″ (52 cm x 10 cm)
  Shipping Weight lbs (kg) 10 lbs (4.5 kg)
  Connection Size 3/4″ MNPT
  Power Consumption


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