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Rainwater systems: Difference between revisions
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=== 'Wet' system underground rain storage === | === 'Wet' system underground rain storage === | ||
[[File:Rainwater catchment wet system.jpg|thumb|Illustration showing a catchment system from any number of downspouts passing through a simple 'trough' sand filter, with underground storage, providing potable water to the building | | [[File:Rainwater catchment wet system.jpg|thumb|Illustration showing a catchment system from any number of downspouts passing through a simple 'trough' sand filter, with underground storage, providing potable water to the building | 480px | left ]] | ||
With this method the collection pipes are located underground in order to connect multiple downspouts from different gutters. The rainwater floods the underground piping pushes the water up into the pump in the lower region of the house or building. The downspouts and underground collection piping must have water-tight connections. The elevation of the tank inlet must be below the lowest gutter on the house or building. | With this method the collection pipes are located underground in order to connect multiple downspouts from different gutters. The rainwater floods the underground piping pushes the water up into the pump in the lower region of the house or building. The downspouts and underground collection piping must have water-tight connections. The elevation of the tank inlet must be below the lowest gutter on the house or building. | ||