Anuual and initial backflow test performed by Barnett M. Troodler, New York State Backflow Tester # 7225 , New England Water Works # 11684- a New York City Licensed Master Plumber #958 , State of New Jersey # 7426 and Westchester County Licensed Master Plumber # 405. Why pay high fees for backflow reports? I charge only $90.00 per device. Froms with more then 1 report will be charged, $90.00 for each device. We test Double Check Valves, Double Detector Check valves, RPZ's, and Pressure Vacuum Breakers With centrally located offices in Westchester and The Bronx we can easily service New York City, Westchester, Nassau, Rockland, Putnam counties and North East New Jersey. Do not wait to get a violation or fine from the NYC Department of Environmental Protection. Contact us now to set an appointment. Installations, repairs, and permits available for additional charge.