PSI is a Gauge Service Center

PSI is a factory recognized service center for backflow test kit calibration and repair. 

Below is our order form that explains how to get your gauge to us for calibration or inspection and repair.


Ultimate Backflow Test Kit
Mid-West Backflow Test Gauges are in the list of Acceptable Gauges from Both FCCC & HR-USC and CA-NV AWWA

Over 30 Years of Input from Backflow Technicians.
Specially Designed for Testing Backflow Prevention Assemblies.
Test kits are protected with 90 micron filters to minimize plugging with scale, sand, etc. Filter elements can be cleaned or replaced
Test procedures are laminated in clear plastic.