Wayne 4/10 HP Thermoplastic Sump Pump-WST40 at The Home Depot
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Model # WST40

Internet # 203663682

4/10 HP Thermoplastic Sump Pump

Wayne 4/10 HP Thermoplastic Sump Pump

This item has been discontinued.
The Home Depot no longer carries this specific product.

$139.97 / each
Item cannot be shipped to the following state(s): AK,GU,HI,PR,VI


In Stock



Model # WST40

Internet # 203663682

WAYNE pumps are durable, reliable, and worry-free. The WAYNE WST40 is a 4/10 HP ,reinforced, corrosion-resistant thermoplastic submersible sump designed for easy installation without any plumbing changes. Its unique top suction design filters debris and minimizes clogging. This product comes with a 1 year limited warranty.

  • Model WST40 pumps up to 2500 GPH at 0 ft.
  • Piggy-back tether float switch for automatic operation
  • Epoxy-coated steel, high performance .4 HP motor, oil-cooled with thermal protection
  • Easy carry handle for portability
  • 1-1/2 in. NPT discharge and reinforced thermoplastic base
  • Designed for 14 in. diameter or larger sump basins
  • Approximate on level at 14 in. - off level at 7 in.

Info & Guides

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Amperage (amps)  9.5  Assembled Depth (in.)  9.3 in 
Assembled Height (in.)  11 in  Assembled Width (in.)  8.8 in 
Battery Back-Up  No  Cord Length (ft.) 
Discharge Flow @ 0 ft. (gallons/hour)  2500  Discharge Flow @ 10 ft. (gallons/hour)  1900 
Discharge Flow @ 15 ft. (gallons/hour)  1200  Horsepower (hp)  2/5 hp 
Housing Material  Thermoplastic  Manufacturer Warranty 
Maximum Pumping Height (ft.)  20  Maximum Working Temperature (F)  120 
Minimum working temperature (F)  40  Power Type Required  AC 
Product Depth (in.)  9.3  Product Weight (lb.)  9 lb 
Pump Switch Type  Tethered  Returnable  90-Day 
Self-Priming  Yes  Submersible  Yes 
Sump Pump Outlet Diameter Type  1-1/2 FPT  Switch-Off Height (in.) 
Switch-On Height (in.)  14  Voltage (volts)  115 



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If product is eligible for shipping to AK, HI and US Territories additional transit time and remote surcharges may apply.