Automatic On/Off Switch?The Acopair pool cover pump features an automatic sensing switch that activates when the water level exceeds 2.17 inches and shuts off when the water level falls below 3/4 inch after a 30-second run time. This ensures hassle-free operation without the need for constant monitoring. High-Efficiency Performance?Equipped with a powerful 1HP motor, the Acopair pool cover pump can move up to 4500 gallons per hour, making it twice as fast as standard pumps. The bottom suction design effectively removes water down to 3/4 inch, making it perfect for pools, garden ponds, hot tubs, flooded basements, and more. Versatile Compatibility?The Acopair pump comes with multiple adapters including 1 inch NPT, 1-1/2 inch NPT, 3/4 inch NPT, and 1/4 inch GHT, along with 1-1/2 inch GHT adapters. Users can choose from two angle interfaces for added convenience. The included check valve prevents water backflow, extending the pump's service life. Safe and Reliable?The Acopair pool cover pump features built-in smart temperature control to prevent the motor from dry burning. The pump automatically shuts down when the motor temperature reaches 105?/221?, ensuring safety and prolonging the motor's lifespan. Comprehensive Safety Guarantee?The Acopair pool cover pump comes with a 1-year warranty. Our dedicated service team is available 24/7 to address any concerns or issues, ensuring complete customer satisfaction and peace of mind.