Wizard Mechanical and Plumbing
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  • Certified Back Flow Preventer Testing

    What is "back flow"?

    Back flow is the reverse flow of water, or mixture of water, other liquids and/or gases into the main potable water supply line, thereby contaminating the main water supply system.

    What are "back flow preventers"?

    Back flow preventers are approved devices to eliminate back flow into the potable water supply.

    Portable Water

    Water that is pure enough for human consumption, or to cook with.

    How often does a back flow preventer need to be tested?

    Every year.

    Who is authorized to do the testing?

    A back flow preventer tester must be certified by the County of Los Angeles.