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Deck outlet
Septic tank
Check the local regulations before emptying the septic tanks.
Vent
Tank drain closing valve
Water intake closing valve
19
26. Septic system
26.1 Use of the wastewater (septic) tanks
Drainage by suction or emptying occurs when the valve positioned next to the tank is closed or
opened: position 1: suction drainage (valve closed) and position 2: emptying (valve open).
Clean the sewage tank and hoses with slightly alkaline detergents. To prevent freezing use glycol. The
septic system should be as empty as possible during frost.
ENGENGENGENGENG
26.2. Sealing of septic tank closing valve
In some areas by local regulations the closing valve of septic tank must be sealed in the closed position
The sealing can be done by placing a suitable
object from top of the valve to holes on a plate beneath the valve.
ENG
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