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Mid-America Backflow Preventer Co CEO John Szymanski is a MN Master Plumber .ASSE certified He is also certified in backflow testing and repairs and also carries a certification from USC for facility surveys and cross connection plan writing. Specializing in the education of the dangers of cross connection and backflow. Our goal is safe water.
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*No active license on file. If you are Sonnek, Norbert P, click “This is My Business” to update your information.

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