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State of the art Float switches

PumpBiz offers modern Electronic float switches that no longer have problem causing moving parts. Features include alarms, lights,phone calls and alternators. They are easy to install and fit just …

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Propane BI-FUEL upgrade Kit

Trucks, cars, and other vehicles as well as other Small engines running on our propane conversion systems have been proven to have 80% cleaner emissions and help the engine last longer than those …

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Flex Pump™ Dewatering Trash

Submersible Trash pump engine powered*. Flex-Pump is a submersible dewatering pump without electricity. Customers who have used it are so impressed they are calling it a "Muddy …

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Gorman-Rupp self-priming utility pumps are made for heavy duty use. The pumps feature a copper impeller with an ODP motor. Use on biodiesel.

Model 81 1/4B3-E.33 1P is designed for applications requiring high volume, low pressure, sump or liquid transfer. The copper allow semi-open impeller handles solids to 5/16" diameter. Built-in Flap/Check valve enables consistent self-priming to 20 ft. biodiesel


  • Cast iron construction with copper alloy impeller
  • 1-1/4" NPT suction and discharge ports
  • 1/3 HP ODP motor with 8 ft. 115 vac power cord
  • Includes float switch and strainer
  • Built-in flap valve
  • Maximum suction lift is 20 feet
  • Maximum operating pressure is 26 PSI
  • Maximum temperature is 160F
  • Viton mechanical seal

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