To be used on JABSCO toilets 50.224.00 + old models and on Osculati, Matromarine, Jhonson pump, Ocean Technologies toilets and other brands such as 50.206.25; 50.207.25/27/50 and 50.217.25/30. Complete support that replaces the manual pump. Inlet/outlet pipes shall not be replaced. Operation under and above the waterline.Complete support to replace the manual pump. The loading/unloading pipes remain unchanged. Works above or below the waterline.