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Water Specialties Company offers Backflow preventer test kit calibration and repair services. We can calibrate and certify all brands of gauges including Watts, Midwest, Wilkins, Conbraco, WSC, Barton, and more. We pride ourselves on excellent service with a quick turn-around time. To get your gauge calibrated, please fill out the form in the link below, print, and ship the form with your Backflow test kit.

Calibration Form