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Compare Units 845 and 830

Mid-West 830



For the past 30 years Mid-West Instrument has been producing Quality Backflow Test Kits. Our Model 830 has been the benchmark of the industry for decades. Constant input from field testers led to refinements such as inline filters, laminated test procedures, removable lids, soft seated needle valves & line pressure gauges.

The culmination of additional years of development has resulted in Mid-West's latest product offering, the Model 845. This new model features all the benefits you've come to expect from our kits and is available in 5-valve (STOCK), 3-valve and 2-valve (ORDER ONLY) configurations. The Model 845 also comes with a new spacious carrying case with external fitting/tool compartments. The addition of the Model 845 to our product lineup truly allows Mid-West to offer “A Test Kit for Every Preference”!

Model 845



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  • Portable/removable from case.
  • Improved case with storage compartments for fittings and tools.
  • Room for additional accessories.
  • Specially designed for testing backflow prevention assemblies with over 30 years of input from YOU the tester.
  • Durable carrying case included.
All Test Kits Have: Soft Seated Needle Valves With Replaceable Seats, Durable Carrying Case, Laminated Test Procedures, Line Pressure Gauge, Adapter Fittings, In Line Hose Filters - Field Serviceable

Capable of performing all known test procedures including those recommended by ASSE, AWWA, CSA, FCCC & HR-USC and NEWWA

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