Thompson Pump offers its HT traditional trash pumps for tough rental jobs where a powerful, wet-priming pump capable of handling large solids and/or abrasive material is needed. Thompson trash pumps are designed to provide reliable performance at an economical cost. Thompson heavy-duty trash pumps are engineered to combine quality, dependability, versatility and performance. The HT trash pumps are available in 4-, 6-, and 8-inch sizes with performance up to 2,600 gpm, 168 feet of head and solids-handling up to 3-inches. Product Information.