Beckett's heavy-duty pump series is capable of handling all your HVAC applications. Its robust design promotes a more efficient, quieter operation while maintaining product durability. An ideal solution for high lift installations up to 50' lift. The pump comes with a built-in safety switch, a one-gallon tank, a replaceable check valve, and a pre-wired terminal block. All CB50 pumps are UL/CUL listed.