Plumbing
DSG Backflow Preventer Services LLC
Our Story
DSG Backflow Preventer Services LLC specializes in backflow preventer installation, testing, and repair, helping businesses and municipalities protect their water supply systems and meet compliance standards. They also offer eyewash station inspection and maintenance services. Founded in 2009, the company is committed to reliability, professionalism, and safety.
Our Specialties
backflow preventer installationbackflow preventer testingbackflow preventer repaireyewash station inspectioneyewash station maintenance
Services
What we bring to every project
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Service Area
Based in Manchester, NH
Serves within 30 minutes drive from Manchester
Common Questions
DSG is co-owned by Daniel Scott Gagne and Daniel James Sayer, who contribute decades of hands-on plumbing and leadership experience to every project. Field Manager Laura Rotolo oversees operations with over 15 years in the water industry, managing complex worksites with a focus on safety and efficiency. Their combined expertise drives our commitment to reliable backflow and eyewash services.