May 10, 2016 Author: Wayne Pumps

1/2 HP Epoxy Coated/Cast Iron and 12 Volt Reinforced Thermoplastic Combination Primary and Battery Back Up System

  • Assembled in the US with foreign and domestic parts
  • Tested to 1 million cycles*; For performance that lasts, WAYNE Pumps exceeds an average life of 1 million cycles (Primary Only)
  • "Pre-assembled and pre-plumbed 1/2 HP primary & 12 Volt back-up complete sump system, which includes (2) heavy-duty check valves. Job-ready package saves you time and money, with simple drop-in installation!
  • WAYNE Pumps' energy efficient motors, and engineered design provide the ultra-quiet experience you won't believe. The Hardest Working Pumps, You'll Never Hear™.
  • Durable epoxy-coated and rugged cast iron construction, for long life in tough sump pump applications
  • Reinforced thermoplastic back-up sump pump construction, for long life in tough sump applications
  • High performance; max. flow rate is 5100 Gallons Per Hour; 3840 GPH at 10 ft. of discharge lift (Primary CDU800)
  • 12V battery powered performance; Max. flow is 2900 gallons per hour, 1680 GPH at 10 ft. of discharge lift (Back Up ESP25)
  • Integrated Vertical Float Switch with Solid, Leak Free Polypropylene Float for automatic operation; 9 in. ON level and 4 in. OFF level
  • No need for weep holes; Unique Top Suction Design reduces clogging and prevents air lock condition
  • Offers up to 26 continuous hours of protection for peace of mind when you need it most*
  • Audible alarm alerts homeowner when DC (12V battery powered) pump is running
  • Premium smart charging technology breaks surface charge and brings battery up to maximum capacity
  • LED indicator light informs homeowner the charge status of the battery
  • User adjustable reed float switch included for automatic operation
  • 12V battery required: Recommended for use with the WAYNE WSB1275, 75 AMP hr maintenance free battery (sold separately)
  • Designed for 15 in. diameter or larger sump basins
  • 5 Year Limited Warranty
Product Downloads:
Primary CDU800 Performance
HP Discharge Head 0' 5' 10' 15' 20'
1/2 Gallons/Hour 5100 4500 3840 3060 2040
Back Up ESP25 Performance
Discharge Head 0' 5' 10' 15'
Gallons/Hour 2900 2340 1680 600

Share This Product :

©2017, WAYNE Water Systems, a Scott Fetzer Company. All rights reserved. Privacy Policy | Legal Rights Statement | Terms and Conditions | CCPA Request