Davey RainBank KRBS1, Руководство по установке

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Type 4 installations. External suction
pump drawing from below ground
tank.
Pump inlet should be at least (200mm)
below the lowest water level for reliable
operation.
Priming is as for Type 1 installations.
If there is a significant amount of water
required to do this it can be a good idea
to fit the highest area of the pipe with an
access plug in a T piece so that the pipe
can be filled more quickly with a bucket
when repriming.