a power system module is provided for a dishwasher that has a common base upon which is mounted the power system components . a first and second pump , heater , thermostats , overflow sensor and a fill valve are all mounted on the common base . the base member also receives an enclosure thereon which protects the components . a simple securing device in the form of a clip is utilized to hold the enclosure and base in place over a trough forming two separate sumps , one for each of the pumps .