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Viqua Model D4 Premium Ultraviolet System

Model #: 660089-R

UV Max's Model D4 has all same features as Model C4, including a controller with water resistant case, indicator lights on the power source showing the status of each system component. A stainless steel chamber with safety cap (can not be removed while light is on) and special lamp plug are standard.

In addition, Model D4 features a lamp timer reset button and mute button to silence audio alarm, along with lamp life display counter.

UV Max's Model D4 offers the advanced features that used cost much more. With disinfection available from 9-23 GPM, Model D4 is ideal for household or light commercial use.

All UV Max Systems include all components and accessories needed for initial installation and use. These include UV Lamp, Electronic Ballast, Quartz Sleeve & 304 Stainless Steel UV Reactor (Water Chamber).

Trojan UV Systems treat the water for the whole home, eliminating 99.99% of bacteria and viruses including chlorine-resistant cysts that are not tested for in routine water tests (such as Cryptosporidium and Giardia)

UV Max Systems Warranty:

  • 5-Year Warranty against manufacturer's defects on the power supply and all electrical components
  • 10-Year Guarantee on the Stainless Steel UV Reactor
  • 1-Year Warranty on lamps

How does UV Work?

The germicidal energy of ultraviolet light destroys harmful microorganisms by attacking their genetic core (DNA). This powerful dose of UV light eliminates their ability to reproduce, and the organisms simply die.

Water is purified by running it through a watertight chamber that contains an ultraviolet lamp. As water flows past, microorganisms are exposed to a lethal dose of germicidal UV energy.

Purification with the UV Max is a safe, natural process that adds no chemicals and does not affect the taste or odor of your water.

Specialized, high output UV lamps maximize the output of germicidal UV energy.

Standard Features

  • Audible/ Visual Lamp Failure Alarm
  • No-tools Maintenance
  • Safety Cap
  • Electronic Power Supply
  • Mounting Bracket
  • 3/4" MNPT Connections
It is strongly recommended (by all UV manufacturers) for maximum efficiency of your UV Sterilization, that you pre-filter your water with a 5 Micron sediment cartridge.

Do not connect plastic pipe or tubing directly to the UV system because the UV light will break down plastic over time. The best way to make the connection is with Dielectric Unions that allow for a connection from stainless steel to copper, that will not corrode. We have these dielectric unions available.

Operating Parameters

  • Iron less than 0.3 ppm
  • Hardness less than 7 grains (120 ppm)
  • UV transmittance greater than 75%
Contaminant Dosage required to sterilize
(mJ/cm2) 99% Effectiveness
Cryptosporidium parvum oocysts8
Giardia lamblia cysts (Beaver fever)< 10
Vibrio cholerae (Cholera)3
Shigella dysenteriae (Dysentery)3
E.coli (Escherichia coli O157:H7)6
Salmonella typhi (Typhoid fever)9
Shigella sonnei9
Legionella pneumophila (Legionaires' disease)10
Salmonella enteritidis (causes gastroenteritis)10
Hepatitis A virus16 - 30
Poliovirus Type 121 - 30
Coxsackie B5 virus30
Rotavirus SA1131 - 36


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