Reply To: Backflow Assembly Testing

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    The correct placement for the RPZ backflow preventer is in the water supply line which is usually immediately downstream of the main valve from the storage tank(s). The well is actually the source and shouldn’t be confused with the supply.
    Is this a farm application? For proper protection of all components of the pressure system, including the well, you may need a combination of devices and piping considerations to provide adequate protection.

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