Since 1999, Donnellan Ultraviolet LLC (Siemens acquired our Sunlight Systems brand in 2007 and currently d/b/a Germicidal Systems) has specialized in UV light disinfection equipment for water and wastewater.


Systems include Siemens Water Technologies' municipal validated Horizontal and Vertical UV wastewater product catalog (acquired 2011) and our Teflon no-contact style tube reactor systems.


Siemens/Sunlight Validated Horizontal and Vertical Open Channel systems remain our primary wastewater systems for engineered projects. The following systems' confidential biological validations are available for engineering review.


Siemens Barrier Sunlight V-48E-A300 Vertical

Siemens Barrier Sunlight V-40R-A150 - Vertical

Siemens Barrier Sunlight H-4XE-HO (2W-1B-1C) - Horizontal


We distribute these and other products through authorized resellers. Please contact us at info@donnellanuv.com for your representative.