The present application relates to a system for dispensing a detergent solution from a solid detergent into a dishwasher said dishwasher comprising a washing chamber and being capable of performing cleaning cycles each including washing and rinsing periods; the system including a dispenser for dissolving solid detergent blocks and dispensing detergent solution, wherein the dispenser is configured to accommodate solid detergent, to be removably retrofittable into the dishwasher, and, to allow continuous release of all detergent solution as it is formed. In various applications the system may include a battery-powered control unit and a conductivity sensor, configured to measure the conductivity of the washing liquid and to provide the measured conductivity value to the control unit, said control unit is configured to process the conductivity value and to produce a signal.

A dishwasher having a detergent dispenser including an opening allowing the insertion of dishwashing detergent into the dispenser without needing to open the dispenser. The detergent dispenser includes a housing including a tray for holding the inserted detergent. The housing also includes a siphon component with a cap and an outlet tube. A delivery tube provides water via one or more nozzles via the opening during operation of the dishwasher. Dissolved detergent is siphoned from the housing via the outlet tube and into the tub.

A household appliance for treating articles according to a cycle of operation includes a chassis with an interior surface at least partially defining a treating chamber for receiving the articles according to the cycle of operation. A dispenser assembly can be provided with the household appliance and operably coupled to the interior surface. The dispenser can include a cartridge seat configured to receive a cartridge with a treating chemistry reservoir.