Handheld showerhead backflow preventer

mike_plumbs

Every year my rental house is inspected by the city. Last time the inspector told me to add a backflow preventer (one-way check valve) to the handheld showerhead in the bathroom. The showerhead is on a long enough hose that it could be submerged underwater in the bathtub, and this would prevent drawing tubwater back into the water supply. (That bit seems a little hypothetical to me, but no matter.) My problem is I can't figure out where to get...

Originally asked by Carl Raymond on Stack Exchange (diy) (CC BY-SA 3.0).

uphilltech

Great question — answering as the UphillTech team:

They're also known as vacuum breakers, such as this one . Some searching shows that they're available from Lowe's and HD (assuming you're in the US), but you should be able to find one in a store near you or online if not.

Full answer by Niall C.: https://diy.stackexchange.com/a/6879 (CC BY-SA 3.0).

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