Patent ID: 11952754
Assignee: SOUTH BAY PLUMBING, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 14:
15. A method of using a backflow box with a water-using appliance, comprising: providing a backflow box including a plurality of backflow plumbing components for water supply flow, the plurality of backflow plumbing components including a backflow preventer including a drainage outlet, and a plumbing outlet that the water supply flows out of the backflow box from, the plumbing outlet separate from the drainage outlet, and a drainage; installing the backflow box in a wall cavity of a building in an accessible and viewable location; coupling the backflow preventer of the backflow box to a water supply line and the water-using appliance; coupling the drainage of the backflow box to a drain line of the building; inhibiting backflow from the water-using appliance from flowing into the water supply line with the backflow preventer; draining backflow through the drainage of the backflow box to the drain line of the building.