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Emperor Aquatics SMART UV Lite Sterilizers

Emperor Aquatics SMART UV Lite Sterilizers
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* Powerful UV sterilizers sized for aquariums up to 160 gallons
* Optimized UV output protects aquarium fish from pathogens
* Utilizes entire UV lamp length for greater UV exposure area

Emperor AquaticsThe smart UV choice for freshwater and marine aquariums up to 160 gallons. Emperor Aquatics SMART UV Lite Sterilizers boast signature SMART UV design optimized for popular aquarium sizes. Heavy-duty UVs deliver maximum pathogen and algae sterilizing UV-C output through careful positioning of the UV lamp. Long-lasting UV lamps are positioned entirely between the inlet/outlet ports so the entire length of the lamp is utilized. The result is optimum protection against harmful aquarium pathogens.

Emperor Aquatics SMART UV Lite Sterilizers employ their exclusive remote SMART ballasts designed to operate the UV lamp at peak efficiency. Precise input wattage to the UV lamp optimizes performance for long-lasting, reliable use. High quality water tight UV sterilizers boast durable, heavy-wall construction for years of trouble-free operation. Wiper models, recommended for freshwater applications only, allow easy removal of soft waste removal from quartz sleeve without interrupting UV operation. Adjust flow rate based on use. 1-1/2" Union Ports for inlet & outlet. 2-1/2" diameter.


Model Maximium
Algae & Bacteria
30,000 µw/cm2
suggested/max gph
180,000 µw/cm2
suggested/max gph
25W 90 gal 332/554 55/92 29-3/4" long
40W 160 gal 589/983 98/164 44-3/4" long


  • Watertight construction
  • Durable, heavy-wall construction for years of trouble-free operation
  • Larger size to provide greater UV exposure area
  • UV Lamp(s) positioned entirely between the inlet/outlet ports to maximize UV-C output
  • UV lamps made of chemically treated Hard Quartz "L" Glass prevents significant loss of UV transmittance
  • Longest-lasting UV lamps deliver an impressive 12,000 hours of continual operation while still maintaining 80% efficiency
  • Easy-to-operate Quartz Sleeve/UV Lamp Power Assembly
  • SMART Ballasts deliver precise input wattage to the lamp, maximizing UV-C output and UV Lamp life
  • SMART Ballasts are sealed and resist water damage in the event of a quartz sleeve failure
  • Clear viewing ports positioned at both ends of the UV Sterilizer housing
  • Quartz Sleeve Wipers allow for easy removal of soft waste deposits without interrupting UV Lamp operation

Downloadable Emperor Aquatics SMART UV Sterilizers Manual PDF (all models).
(Requires Adobe Acrobat Reader 4.0 or later - get it here for free)

O-Ring Kit
O-Ring Kit includes Power Supply Gasket, O-Ring for Clear Quartz Sleeve Retaining Module, Quartz Sleeve O-Ring, Quartz Sleeve Gasket and Water Inlet/Outlet Union O-Ring (used on union models only).

Replacement UV Lamps
UV lamps need to be replaced after 13 months (9,000 hours) of continual use. Please Note: Using UV Lamps other than those identified as "Emperor Aquatics, Inc." may cause damage to your Emperor Aquatics UV Sterilizer. Use only genuine Emperor Aquatics, Inc. UV Lamps with Emperor Aquatics SMART UV systems.

Quartz Sleeve
Please Note: A water test should be performed each time the quartz sleeve or gaskets and O-rings are replaced (once annually). Performing a water test will determine whether or not a proper seal has been achieved. Failure to achieve a proper seal during SMART UV operation will allow water to leak into the inside of the quartz sleeve, potentially damaging the UV lamp and other electrical components, which could develop into dangerous situations.

Shop all Aquarium UV Sterilizers.

Please click "More Information" for installation instructions.

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Please note: Return of electrical equipment and lightbulbs to Drs. Foster & Smith for exchange or refund is limited to 60 days from the date of purchase. Beyond 60 days, please contact the manufacturer for repair or replacement as covered by the manufacturer's warranty.

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