Backflow Preventers

GPC brick

About

Includes any products that can be described/observed as a device used to protect water supplies from contamination or pollution. A backflow assembly has test cocks and shut-off valves so that they can be tested or examined to ensure that they are functioning properly. A backflow preventer can be manufactured to include devices such as a double check assembly, reduce pressure zone assembly, test kits and backflow prevention accessories.

Excludes

Excludes products such as a double check assembly, reduce pressure zone assembly, test kit or backflow prevention accessory without a backflow preventer.

Last edited 2026-09-09 View history Sign in to edit

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Known facts

GPC code: 10005866
Level: brick
Path: Plumbing/Heating/Ventilation/Air Conditioning › Plumbing/Heating/Ventilation/Air Conditioning › Backflow Prevention Devices
Publication: 286 GPC as of May 2026
GPC definition: Includes any products that can be described/observed as a device used to protect water supplies from contamination or pollution. A backflow assembly has test cocks and shut-off valves so that they can be tested or examined to ensure that they are functioning properly. A backflow preventer can be manufactured to include devices such as a double check assembly, reduce pressure zone assembly, test kits and backflow prevention accessories.
Excludes: Excludes products such as a double check assembly, reduce pressure zone assembly, test kit or backflow prevention accessory without a backflow preventer.