The Ground Zero Pump self primes over 4" of water and can pump down to 1/12" of water.

In water that is less than 4", priming the the pump is necessary - simply pour water into the top of the unit, attach your hose, start the unit and it will pump down to 1/12". Discharge hose not included

Specifications:

Pump Volts	115 Volts
Amperes	6 AMPS
Horsepower	1/2 HSP
Discharge Size	2 inches
Pipe Thread	NFP
Head (Lift)	36 Feet
Maximum G.P.M.	50
Electrical Cable	33 feet
Weight	26 lbs
Width	7.1 inches