Mid-West 845-5 5-Valve Backflow Test Kit

The Mid-West Instrument 845-5 5-Valve Backflow Test Kit is a trusted solution for professionals responsible for testing backflow prevention assemblies. Engineered for durability and precision, this kit is designed to meet the rigorous demands of municipal and industrial applications. Its soft-seated brass needle valves ensure accurate pressure readings while minimizing wear, and replaceable valve seats extend the kit’s lifespan—critical for frequent use in the field.

Compliant with FCCC, HR-USC, and CA-NV AWWA standards, this test kit is suitable for evaluating all major brands of reduced pressure principle (RP) assemblies, pressure vacuum breakers (PVB), spill-resistant vacuum breakers, and double check valves. The included 90-micron filters protect the system from debris, sand, or scale buildup, while the filter elements are easily cleaned or replaced for consistent performance. Backed by a 5-year warranty, this kit delivers long-term reliability for water utilities, contractors, and inspectors.