VIQUA D4+ (650695-R) - 12 GPM


The D4 Plus Model is a 12 GPM point-of-entry system for homes that renders chlorine-resistant parasites, bacteria and viruses harmless. This compact system features state of the art UV sensor technology, 2X the UV-C output of standard low-pressure lamp technology, a lamp age indicator, an LED monitor, stainless steel chamber, and 120 AC voltage.



  • Lamp (602805) - Replace every 12 months
  • Quartz Sleeve (602732) - Replace every 24 months or as needed
  • Sleeve/Lamp Combo Kit (602810-102)

PDF iconVIQUA D4+ Model UV System Manual

PDF iconVIQUA D4+ Model UV Spec Sheet

PDF iconLamp and Sleeve Replacement Instructions

PDF iconVIQUA D4+ Sensor Replacement Manual