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Carpenters joiners and property maintenance Backflow devices

Carpenters, joiners and property maintenance. Backflow devices are installed in commercial, and sometimes residential, water systems based on the hazard level established by the county’s environmental health department they are engineered to prevent the back flow or siphoning of contaminated water into potable water systems these devices need to be certified annually, and the tests can only be performed by technicians.

Added: 2020-05-09 | Category: one
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