Rich Davison, Specified MKT. Development, Solderholm & Associates

It’s a joy to recommend GaugeTec services to our many clients and students. John offers professional quality – reasonable prices – and fast service for maintaining backflow prevention testing equipment. With his years of service in protecting the water- we can count on John to protect our test kits!!


The owner of GaugeTec and I have been teaching together for over fifteen years. Together we have helped certify over a thousand Wisconsin,Minnesota,Iowa and Illinois backflow testers. As a Cross Connection Control and Plumbing Code Instructor I would highly recommend GaugeTec to any of my students for their annual test gauge calibration needs. You will… Read More