1-1/2" Inlet Hydromatic Self-Cleaning Strainer - 12VFeatures:. 30-second cleaning cycle is automatically performed at user-selected intervals. Optional interface with SSA system ( initiates cleaning cycle when flow is reduced, independent of the pre-set cleaning interval. The "Purge" option over-rides the selected cleaning interval and performs a one-time 30-second cleaning cycle. Powerful macerator grinds debris and discharges overboard below the waterline. "Ignition Protected" motors for DC models. Installation can be horizontal or vertical (flooded inlet required). C84400 bronze construction