Half Price Standard Code

Performance Requirements for Double Check Detector Backflow Prevention Assemblies
standard by American Society of Sanitary Engineering,

Performance Requirements for Reduced Pressure Detector Backflow Prevention Assemblies
standard by American Society of Sanitary Engineering, 06/01/2021

Performance Requirements for Stack Air Admittance Valves for Sanitary Drainage Systems
standard by American Society of Sanitary Engineering, 07/01/2021

Performance Requirements for Water Pressure Reducing Valves for Domestic Water Distribution Systems
standard by American Society of Sanitary Engineering, 12/01/2020

Performance Requirements for Pressurized Water Storage Tanks
standard by American Society of Sanitary Engineering, 05/01/2021

Performance Requirements for Reduced Pressure Principle Backflow Prevention Assemblies
standard by American Society of Sanitary Engineering,

Performance Requirements for Individual and Branch Type Air Admittance Valves for Sanitary Drainage Systems
standard by American Society of Sanitary Engineering, 07/01/2021

Performance Requirements for Individual and Branch Type Air Admittance Valves for Chemical Waste Systems
standard by American Society of Sanitary Engineering, 07/01/2021

Performance Requirements for Double Check Backflow Prevention Assemblies
standard by American Society of Sanitary Engineering, 06/01/2021

Listing Evaluation Criteria for Packaged Plumbing and Mechanical Systems for Continuous Microbiological Mitigation
standard by American Society of Sanitary Engineering, 2021