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Sterilight® Cobalt "PLUS" 13 GPM
Integrated Home Ultraviolet System
with UV Intensity Monitor

  •   Model # SCM320-DWS22
  •   UPC 773058082143
  •   Brand Sterilight
Standard Dosage
US Public Health Standard - EPA16mJ (high capacity stated)
Industry/Manufacturers Standard30mJ (primary capacity stated - top of page)
NSF Standard40mJ (lowest capacity stated)
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
The most suitable replacement for this is the
Viqua IHS22-D4

Need a replacement UV lamp? This system uses the
Sterilight S320RL-HO Replacement Lamp

Sterilight Cobalt's compact, point-of-entry water treatment system with both disinfection and filtration. These systems feature high-output, axial flow UV technology, simple installation, and takes up the least amount of space compared to systems like it. The system has a 1" FNPT inlet connection and a unique combination port (3/4" FNPT & 1" MNPT) on the outlet connection. This compact unit incorporates Sterilight's Cobalt™ disinfection system and two, Big Blue size (4-1/2" Diameter) filter housings, all on the same installation bracket.

The Cobalt™ "PLUS" SCM-320 disinfection systems incorporate high-output UV lamp technology coupled with efficient axial flow reactors. This modular line of UV disinfection systems in flow rates of 8-40 gpm (30.3-151.4 lpm), are ideally suited for commercial/industrial, point-of-entry applications with high flow rates and constant flow demands.


  • 20" 5 Micron Sediment Prefilter
  • 20" 5 Micron Carbon Block Filter
  • 1" Inlet and 3/4" / 1" Combo Outlet Port Connections
  • Factory Pressure Tested

Sterilight Integrated Home System UV Dose Chart

Sterilight® UV Systems Warranty:

  • 7-Year Warranty on the Stainless Steel UV Reactor
  • 1-Year Warranty on UV lamps, quartz sleeves and sensor
  • 5-Year Pro-rated Warranty on all other components