A control unit for controlling a plurality of undersink appliances comprising a food waste disposer (106, 108) and a plurality of water dispensing devices (126, 128, 132), the control unit comprising: a plurality of controlled power outputs at which the control unit turns power on and off, the controlled power outputs couplable to the undersink appliances; and the control unit configured with control logic so that it limits the controlled power outputs at which the control unit turns power on so that power drawn from the controlled power outputs does not exceed a maximum rated input power of the control unit; wherein the plurality of controlled power outputs includes at least one food waste disposer power output arranged to be coupled to one of the undersink appliances that is a food waste disposer (106, 108) wherein the control unit is configured with control logic responsive to a user input that power at the food waste disposer power output is to be turned on to turn power on at that food waste disposer power output and before doing so turning power off at the other controlled power outputs; wherein the plurality of controlled power outputs include a plurality of water dispensing device power outputs arranged to be coupled to undersink appliances that are water dispensing devices (126, 128, 132), the control unit configured with control logic to turn power off at all the water dispensing device power outputs when the control unit is to turn power on at the food waste disposer power output prior to turning power on at the food waste disposer power output and also configured with control logic responsive to water temperature monitoring signals received at inputs of the control unit that are indicative of water temperature in each water dispensing device coupled to one of the water dispensing device power outputs to cycle power on and off at the water dispensing device power outputs to maintain the temperature of water in each water dispensing device at a desired temperature and when the control unit is to turn power on at one of the water dispensing device power outputs first ensuring power is off at such of the other water dispensing device power outputs as needed to keep the power drawn from the controlled power outputs below the maximum rated power input when power at the water dispensing device power output whose power is to be turned on is turned on. a plurality of controlled power outputs at which the control unit turns power on and off, the controlled power outputs couplable to the undersink appliances; and the control unit configured with control logic so that it limits the controlled power outputs at which the control unit turns power on so that power drawn from the controlled power outputs does not exceed a maximum rated input power of the control unit; wherein the plurality of controlled power outputs includes at least one food waste disposer power output arranged to be coupled to one of the undersink appliances that is a food waste disposer (106, 108) wherein the control unit is configured with control logic responsive to a user input that power at the food waste disposer power output is to be turned on to turn power on at that food waste disposer power output and before doing so turning power off at the other controlled power outputs; wherein the plurality of controlled power outputs include a plurality of water dispensing device power outputs arranged to be coupled to undersink appliances that are water dispensing devices (126, 128, 132), the control unit configured with control logic to turn power off at all the water dispensing device power outputs when the control unit is to turn power on at the food waste disposer power output prior to turning power on at the food waste disposer power output and also configured with control logic responsive to water temperature monitoring signals received at inputs of the control unit that are indicative of water temperature in each water dispensing device coupled to one of the water dispensing device power outputs to cycle power on and off at the water dispensing device power outputs to maintain the temperature of water in each water dispensing device at a desired temperature and when the control unit is to turn power on at one of the water dispensing device power outputs first ensuring power is off at such of the other water dispensing device power outputs as needed to keep the power drawn from the controlled power outputs below the maximum rated power input when power at the water dispensing device power output whose power is to be turned on is turned on.