BRAND NEW 1/3 HP sump pump. Internal air pressure diaphragm switch. NO FAIL switch. Same switch used in most washing machines.  Cycle tested to 4 million cycles. 1.5" discharge port. 
  Permanent Split Capacitor motor. These are very reliable and have been our best sellers for 40 years.  
If you would like to buy multiples we can offer a discount.  
Same as Stevens Pump
Pump does not suck from the bottom. It is side intake. 
Very well built USA sump pump.