Viqua D4 Whole Home UV Water Disinfection System

The D4 is easy to maintain and built to deliver outstanding UV performance for the average size home or light commercial application, for flow rates up to 12 gpm (45 lpm).


  • Space Efficient  High UV output lamp technology allows for a smaller footprint, while providing the same UV performance as a longer chamber.
  • Ease of Maintenance – Audible lamp replacement reminder and countdown timer with digital display. Controller will also go into alarm if the lamp fails.
  • Reliable – The constant current feature ensures stable UV lamp output, regardless of power fluctuations.
  • Durable – Built with a 304 Stainless Steel to prolong life and eliminate degradation. High-performance UV lamp, rigorously tested to provide consistent output over the entire lamp life (9000 hours).
  • Application – Perfect for a wide range of whole-home, point-of-entry water treatment solutions in homes, cottages, or OEM applications.
Viqua D4 Whole Home UV Water Disinfection System-2