Review on SumpMarine Water Transfer Pump, 115V - Efficient 330 GPH Portable Electric Utility Pump with 6' Water Hose Kit - Perfect Solution for Removing Water From Gardens, Hot Tubs, Rain Barrels, Pools, Ponds, Aquariums, and More! by Samuel Naidu

I use the pump to empty the children's pool and I can also use it to empty the water heater. It moves water fast, I got it up to 4.2 GPM with the included water suction attachment. more water without nozzle. I like the water suction nozzle as it allows me to pump water that may have debris (leaves) in it. It was a little difficult to follow instructions without a third hand. Side, fence, and lubricated with a little vegetable oil. Then I connected the suction hose, filled it with water, connected the water suction nozzle. and immerse it in water by plugging the power cord into an outlet. Be sure to insert the included rubber washer into the included green hose. It's useful to have a power switch as you need three hands to operate this pump. Two hands to connect and disconnect and one to hold the water on the hose so it doesn't dry out. The handle is very flimsy, it bent when I picked up the pump. piece of wood 2x6) becomes even quieter (less vibration.)