Aqua Ultraviolet 400w ST STL Viper UV Sterilizer

Aqua Ultraviolet 400w Stainless Steel Viper UV Sterilizer

Click the image(s) above to view larger version.

The Viper Series 400 watt UV Sterilizer is ideal for large commercial or residential ponds, aquariums, and water features. The specially designed 4 inch 400 Watt lamps disinfect faster and have greater cell penetration capability. The compact body design has a small footprint making it easy to handle, install and maintain. Vipers are engineered to accommodate extreme flow rates; minimum water flows must be maintained at 5700 GPH. A flow switch, provided, shuts the unit off if flows fall below 5700 GPH. Aqua Ultraviolet UV’s will clear your water in 3 to 5 days sometimes overnight and keep it that way. Performance is guaranteed when sized, installed and operated according to our instructions.


  • Fresh Water Sterilizer up to 30,000 gallons / flow rate 17,500 GPH
  • Fresh Water Clarifier up to 50,000 gallons / flow rate 17,500 GPH


  • Viper SL Sterilizers deliver the highest UV output and flow rates at a fraction of the size
  • Designed for maximum performance, power, and reliability, these units replace multiple low pressure lamp units
  • Viper SL lanp disinfects faster and has greater penetration capability because of its higher intensity
  • Longest lamp life on the market, 14 months

Viper Bulb

A single high output bulb reduces space required for intallation.

2" Inlet / Outlet AS90414
3" Inlet / Outlet AS90416