Expand an extended wastewater tank to collect wastewater, sink, dishwasher, etc. The tank is equipped with an Ultima Switch for automatic operation and can be easily prepared for every 12/24 V pump up to 20 A. Tank for Viking Power 16, 10-13350-03 (12 V) or 10-13350-04 (24 V). The wastewater of shower trays, sinks, etc. flows into the tank through one or more of the 8 drives (see Fig. 2). The water level in the tank increases and if the level is sufficient, the Ultima Switch activates the drain pump. The sewage tank consists of polyethylene and grabs approx. 10 liters of water. It has a large lid that makes it easy to clean the tank. The ventilation line is used to drain air when gray water is filled into the tank. The tank has an ultima switch for automatic operation and can easily be con.