Smart Macerator Control - 12vMonitors motor and pump to prevent dry run and overload.Features:If pump doesn't prime in 7 seconds or runs dry for 5 seconds, control will shut down pumpSMC control can be reset by turning off and on switch - power need not be turned offIf power is not turned off to the control, control will job macerator pump for a few milliseconds every seven days to prevent binding of impellerIf pump draws more than 20 amps, control will shut down pump