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maddirtyplumber t1_ixtcsot wrote

Reply to comment by mmphoto412 in What is back flow testing ? by pghgreatest

That's because it's mostly for commercial/business water lines. The backflow prevention standards are based on hazards on site.

Most, if not all residential buildings have nothing that would require a testable backflow, therefore you wouldn't have to do anything.

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pghgreatest OP t1_ixuic55 wrote

So for residential are owners required to do it every year ? Or would that be directed by like a HOA of the community?

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maddirtyplumber t1_ixuj95c wrote

If you have a testable backflow prevention device in your home I would believe it would be the responsibility of the homeowner to have it tested.

Do you have any irrigation system or yard sprinklers? That's the only time I've even seen a testable backflow device inside of a house.

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