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Viqua VIQUA D4 Model 12 GPM UV System - 650695-R 650695-R-

Viqua 650695-R D4+ UV System with Sensor 12 GPM 3/4" MNPT

$1,300.50 $1,485.00
(You save $184.50)


NEW: D4 Plus UV systems now include a large backlit touchscreen LCD controller. The new controller display features a lamp life remaining indicator, UV Intensity, support contact information, plus onboard troubleshooting instructions for quick reference.

The VIQUA D4+ UV system include an advanced sensor that monitors system performance by tracking UV light intensity. This keeps you informed and alerts you to any malfunctions that may occur with the UV lamp. This system treats water at a rate of 12 GPM. The system is capable of 100-240V, 50-60Hz.


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


sensor.pngUV SENSOR: Monitors/indicates UV dose intensity

led.pngLED STATUS MONITOR: Displays system components’ status, functionality, and troubleshooting in an easy to read LCD touchscreen

eol.pngEND-OF-LIFE TIMER: Counts down the days until annual lamp replacement

2xoutput.png2X OUTPUT: 2X the output of standard lamps


  • Flow Rate: 12 Gallons Per Minute
  • Application: Point-of-Entry
  • Power: 100-240V   50-60Hz   50W   N. American Plug
  • Overall Dimensions: 20.5" x 4"
  • Inlet Dimensions: 3/4" MPT
  • Outlet Dimensions: 3/4" MPT
  • Electrical Plug Types Available:
    • B – North & Central America, Japan (NEMA 5-15P)
    • F – Europe, Brazil, Russia (CEE 7/7)


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


PDF iconVIQUA D4+ Owner's Manual

PDF iconVIQUA D4+ Spec Sheet

PDF iconLamp and Sleeve Replacement Instructions

PDF iconVIQUA D4+ Sensor Replacement Manual

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