T Series Waste Discharge Pump - 12V For premium tank discharge performance, SeaLand T series pumps provides unsurpassed quality and reliability. Unlike impeller-type macerator pumps, the bellow-style T pump can run dry without threat of damage. Drawing only 6 amps at 12V DC.In waters where overboard discharge of a waste holding tank is permitted, the T pump integrates with Dometic Tank Discharge (DTD) control systems* for completely automated holding tank discharge.*Purchased separatelyFeatures:. Produces 300 gph (1136 lph) flow rate. Runs dry without harm (prevents motor burn-up). Self-priming to 10 feet (3.3 m) of water. Draws only 6 amps at 12V DC. Legacy # 317301200*Sold as an Individual