A water purifier system is provided including a housing having a first, upper reservoir and a second, lower reservoir. A filter cartridge is arranged to be received within the housing, the filter cartridge having at least one inlet for receiving water from the first reservoir and at least one outlet for dispensing water into the second reservoir. A UV source is disposed within the second reservoir for purifying the water contained therein, and a control interface is removably connected to the housing for controlling the operation of the UV source.