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Backflow Preventer Assembly Testing & Hydrostatic Certification in Long Island
Express Fire Safety Team
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July 23, 2026
Annual Backflow Preventer Testing & Certification
Backflow preventers prevent stagnant sprinkler water from re-entering clean municipal drinking water supplies. Annual testing is mandated by local water authorities and fire marshals.
Our certified testers inspect double-check valves, RPZ devices, and detector assemblies across Nassau and Suffolk. Schedule testing today at (631) 838-2443.