Franklin 1/2HP 20GPM Bottom Suction Cistern Pump

Questions? Call us: 866-960-9621

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Franklin 1/2HP 20GPM Bottom Suction Cistern Pump

SKU: 3841

Voltage Selection:
Factory Fresh Warranty
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Questions? 866-960-9621


C1 Cistern Pump (Excellent choice for residential aerator tanks.)

  • 90302105 115V Model
  • 90302020 230V Model

Designed for use in gray water / filtered effluent service applications, the C1 Series cistern pump provides high performance and long life in less than ideal water conditions. The C1 Series pump is able to pass solids up to 1/8" without having a negative effect on the internal hydraulic components. The pump?s unique bottom suction design allows for maximum fluid drawdown without compromising durability or overall life, and it does not require the use of a flow induction sleeve. Intended specifically for use in a cistern or tank, C1 Series pumps are suitable for use in agricultural, residential, and commercial installations.

  • Bottom suction design.
  • Robust thermoplastic discharge head design resists breakage during installation and operation.
  • Single shell housing design provides a compact unit while ensuring cool and quiet operation.
  • Hydraulic components molded from high quality engineered thermoplastics.
  • Optimized hydraulic design allows for increased performance and decreased power usage.
  • All metal components are made of high grade stainless steel for corrosion resistance.
  • Available with a high quality single phase, 115 V or 230 V, 2 wire ½ hp motor. (2 Wire Pumps = (2 Lead Wires & 1 Ground Wire. The 2 wire pump doesn?t require the use of a control box)
  • Fluid flows 20, gpm, with a max shut-off pressure of 71 psi.
  • Heavy duty 600 V 10 foot SJOOW jacketed lead.
  • UL 778 listed


  • Gray water pumping
  • Filtered effluent service water pumping
  • Water reclamation projects such as pumping from rain catchment basins
  • Aeration and other fountain or pond applications
  • Agriculture and livestock water pumping


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