Safe: potable water safe materials. Flexible: Much more flexible than refrigerant hoses. With its convenient length and easy-to-use fittings, this test hose simplifies the testing process, saving you time and effort. HML631 NON - HAZARDOUS - WASTE 6 x 6 non-hazardous waste 100 / Pkg 6 x 6 100 / Pkg / Sheeted permanent vinyl Part HML-631, HML 631, HML631 The Mako is capable of performing all known backflow assembly test procedures including those recommended by USCFCCCHR, ABPA, NEWWA, AWWA, UFTREEO, and ASSE Null feature, differential pressures can be reset to zero... Fire Sprinkler System Training at Marcus Glennie blog Specialized Design: Custom-made of reinforced PVC for testing backflow assemblies. The Arbiter Backflow Assembly Test Hose is custom-made for cross-connection control testing, ensuring the safety of your water supply system. This specialized hose is designed to withstand high pressures and temperatures, making it ideal for testing backflow prevention assemblies. Durable Construction: Rugged and reliable for consistent performance. Backflow Gauge Test Kit USC Foundation For Cross-Connection Control And Hydraulic Research: Training Tools Backflow Testing