Fit the pump chamber extension

The pump chamber extension can be used to compensate for a height difference of 300 mm (12 in) between the chamber opening and the surface edge.

1

Pump chamber extension

2

Pump chamber

3

Fastening screw

4

O-ring

  1. Height difference of 300 mm (12 in).
  2. Pump chamber extension available.
  3. Installation material included in the scope of delivery:
    - Fastening screw
    - Gasket (O-ring)
  1. Push the gasket (O-ring) over the thread of the pump chamber extension up to the stop.
  2. Screw the pump chamber extension onto the pump chamber.
  3. Lock the pump chamber extension with the enclosed screw:
  4. Drill a 3 mm hole approx. 50 mm (2 in) from the top of the pump chamber.
  5. Screw in the enclosed wood screw as far as it will go.
  1. Pump chamber extension installed.
  2. Next step: Backfill the pit.
Fit the pump chamber extension
Fit the pump chamber extension