Otto NDB1142-370425, Installation Instruction, Page: 20 / 60

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Installation steps
Step 1
- Alignment of height-adjustable feet with spirit level.
- Slightly carve off concrete in siphon area, if necessary.
Step 2
- Press the flat seal from above into the drainage outlet, press siphon body [7] from below onto the
drain and fasten tightly with the drainage valve [6] from above.
- Connect the sewage hose to the siphon body [7] and connect with in-house sewage system.
- Insert cleaning bit [5], press the cover [4] on.
Step 3
- The tub is to be aligned with vertical walls in a 90 degree angle by means of a spirit level.
- The joints are to be filled with silicone. Select type of silicone in accordance with construction
material used. Please mind curing times.