- Reduced Pressure Zone Assembly (RPZ)
- Double Check Valve Assemblies (DCVA)
- Double Check Detector Assemblies (DCDA)
- Vacuum Breakers
- NYC-DEP Filing Foms -GEN 236 and GEN 215B
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A backflow prevention device is used to protect city water supplies from outside contamination or pollution. These devices allow water to flow in only one direction, protecting the city water supply from contamination that an end user may cause. In an unprotected system water flows both in and out of a building without constraint. If there is a pressure drop, contaminated water will be pulled backwards into the city water system if not protected. Backflow prevention devices can be tested by a NYS licensed backflow tester, who examines various components such as double-check valves and reduced pressure zone devices to ensure proper function.
Changes to NYC Plumbing Code
Effective July 1, 2008, the first major change in over 40 years was added to the New York City Plumbing Code:
“New Code: PC 608.3- “All devices, appurtenances, appliances, and apparatus intended to serve some special functions, such as sterilization, distillation, processing, cooling, or storage of ice or foods, and that connect to the water supply system, shall be provided with protection against backflow and contamination of the water supply system.” 608.13.2 Reduced Pressure Principle Backflow Preventers and 608.13.7- Double Check Valve assemblies. These devices shall be tested annually by a certified tester.”
AEP serves the five boroughs of New York City and Northern New Jersey. Our customers have come to know our responsiveness, high quality and commitment. We provide high quality BFP plans for contractors and owners in a very fast turnaround time. We are proud to boast over a 90% firs-time approval rate of application submissions from the NYC DEP.