Mid-West Instrument Backflow test kits come with 3-valve (Model 845-3) or 5-Valve (Model 845-5) configurations. These kits come with a 5-year warranty and are in Stock. The body of the DP Gauge is made of Engineered plastic. The internals are stainless steel. These kits do not suffer from corrosion that Aluminium body gauges do. The kits come with a calibration certificate according to AS2845.3 valid for 12 months.
