Patent ID: 9487383
Filing Date: 2016-11-08
CPC Classification: B67D,F04B

Claim Text:
1. A pump comprising: a piston moveable by a motor; a pump head including a pump head piston opening that receives the piston, a water port through which water flows, a concentrate port through which concentrate flows, and one of a protrusion and a depression, wherein the pump head piston opening has a first diameter; and an adapter plate including an adapter plate piston opening through which the piston is received, a water opening that receives the water port, and the other of the protrusion and the depression, wherein the adapter plate piston opening has a second diameter, and the first diameter is substantially equal to the second diameter, wherein the protrusion is received in the depression to substantially align the pump head piston opening of the pump head with the adapter plate piston opening of the adapter plate.