VIQUA Sterilight D4+

Product Description
Highly featured whole-home UV disinfection system with graphical interface, designed for recommended flow rates up to 12 gpm (34 lpm). An excellent water treatment solution for the average sized home, cottage or light commercial application.
  • Reliable:State-of-the-art UV sensor technology to give you real time performance feedback, for added peace of mind
  • High-performanceUV lamp, rigorously tested to provide consistent output over the entire lamp life (9000 hours)
  • The constant current feature ensures stable UV lamp output, regardless of power fluctuations
  • Space Efficient:High UV output lamp technology allows for a smaller footprint, while providing the same UV performance as a longer chamber
  • Included Accessories:Flow Restrictor + UV Sensor – Prevents system from exceeding maximum flow rate to ensure appropriate UV Transmittance (UVT) at all times
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 (/2B – BSP)
Power Consumption 50W



  • Safety-loc connector
  • high output
  • EOL timer
  • space efficiency
  • LED monitor
  • 2x output
  • constant current
  • point of entry (POE)
  • UV sensor
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)



  • Perfect for a wide range of whole-home, point-of-entry water treatment solutions in homes, cottages, or OEM applications


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(1 review) Write a Review
  • 5
    Good supplier

    Posted by Anthony Pollard on Mar 4th 2019

    Will be using again

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