Kessel Pumpfix F SPZ 1000 Mode D'emploi page 25

5.3 Floor slab installation
Bituminous membrane
Clamp the waterproofing membrane (3) on site between
the pressure sealing flange (4) and the counter-flange (2)
and screw together using the screws (1).
White tank
Insert the seal (6) into the drain body (7) and ensure that
the seal fits properly.
Grease the top of the seal.
Push the extension section into the middle flange (5) and
move it into position.
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