Relax and enjoy your fountain both day and night with our 170 GPH Low Water Shut-Off Fountain Pump. We recommend this pump for small to medium fountains that are located in windy arid or hot areas. It?s also an excellent pump if you sometimes leave your pump running while you?re away. Fountain pumps fail when water levels drop to low levels or run dry. This medium sized pump features our patented Low Water Shut-Off smart Technology that automatically senses when the water level drops. This quiet energy efficient pump can produce fountain heights up to 4.1 feet high with an adjustable water flow control.