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Agricultural Pumps
by Zoeller Pump Co.

If you're looking for a tough, reliable pump for your agricultural needs, then the E4291 is the pump for you. Designed for livestock waste management lagoons and sump pit applications, these durable Zoeller sewage pumps are oil-filled and hermetically sealed, drastically reducing the need for maintenance (no need for weekly oiling and greasing the motor, shaft and moving parts to keep the pump operational). Let PlumbingSupply.com® be your source for agricultural dewatering pumps from Zoeller.
  • Outstanding pumps will work great for your agricultural pumping needs
  • Submersible pump specifically designed for lagoon or sump pit applications
  • Non-clogging engineered vortex impeller design
  • Passes 1-1/2" spherical solids - 65' shut-off
  • 2" NPT vertical flange discharge
  • Durable cast iron construction with stainless steel screws and handle
  • Corrosion resistant powder coated epoxy finish
  • 50' UL listed neoprene jacketed power cable
  • Motor: 2HP, 230 Volts, 60Hz, 3450 RPM, 14.5 Amps, Single Phase
  • Hermetically sealed (airtight) - so you don't have to replace the oil
  • Thermal overload protection with automatic reset - if your pump starts to overheat, the overload protection will turn off the pump until it cools down (then it turns the pump back on)
  • Maximum operating temperature: 130°F (54°C)
  • Neoprene gaskets and seals
  • Quality double shaft seals (silicon carbide lower and carbon/silicon carbide upper seals) provide extra protection for motor
  • View detailed pump dimensions
  • View pump curve chart
Zoeller Agricultural Pump E4291 - $1,751.02
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Frequently Asked Questions

Q. "What's the difference between an automatic and non-automatic pump?"
A. An automatic pump has a built in float switch that will turn on the pump automatically at a fixed water level. After the water is pumped out to certain water level (also a preset level), the pump will turn itself off. A non-automatic pump has to be manually turned on and off, or with a separate control like a piggyback float switch.

Q. "What is a vortex impeller and what does it do?"
A. A vortex impeller handles debris better than other impellers. It's used to help prevent clogging in your pump. Below is an example of a vortex impeller.
vortex impeller

Q. "What does the automatic reset thermal overload protection do?"
A. If the pump gets too hot the thermal overload protection will turn it off until the pump cools down (to prevent damage to the motor). The pump turns back on after it has cooled down enough. This backup protection feature is useful if some debris causes the pump to overheat.

Q. "What's the advantage of a double seal over a single seal pump?"
A. The inside seal provides added protection in case the primary seal should ever fail.

Q. "What kind of material is 'neoprene'?"
A. Neoprene is a high grade synthetic rubber with these features:

  • Resists degradation from the sun, ozone, and weather
  • Performs well when in contact with oils and most chemicals
  • Remains useful over a wide temperature range
  • Displays great physical toughness
  • Fantastic resistance to damage caused by flexing and twisting

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