Although not mandatory as with fuel tanks, a large inspection port in a waste water tank will facilitate cleaning. Having all the connections at a single point also makes inspection simpler. The VETUS waste water disc is supplied with everything you need for your waste water tank, it doesnt matter if its a custom made steel, aluminum or a VETUS thick walled rigid tank.

 

Connections that come with this interchangeable disc are

38 mm connection for discharge (ability to make this a suction connector by mounting a standard  40 mm PVC pipe)

 38 mm inlet connection

 25 mm inlet connection

 19 mm inlet connection

Ventilation connection  19 mm

5 hole SAE flange tank level sensor connection (suitable for SENSORA, SENSORB and WWSENSORA)