Convertible jet ยท Flotec

Flotec FP4122 3/4 HP Convertible Jet Pump

A convertible jet pump

Updated October 2026

Quick verdict

A cast iron 3/4 HP convertible jet pump from Flotec.

Strength
3/4 HP.
Trade-off
Few published specs on the listing.
Right buyer
Shallow or deep wells with a jet kit.
Price
$419.94
Horsepower
3/4 HP
Max flow (maker)
882 GPH
Housing
Cast iron
$419.94Retailer price. Prices change; check the current price before you buy.

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Why it matters

Flotec FP4122 3/4 HP Convertible Jet Pump: 3/4 HP, 882 gph. A cast iron 3/4 HP convertible jet pump from Flotec.

The listing gives the FP4122 as a 3/4 HP cast iron convertible jet pump rated at 882 gph; it doesn't list head or voltage, so confirm those with Flotec before ordering.

Who it's for, and who should skip it

Good fit if

  • Shallow or deep wells with a jet kit
  • Replacing a Flotec convertible pump

Look elsewhere if

  • Buyers who want detailed specs before buying
  • Very deep wells

Pros and cons

Pros

  • 3/4 HP
  • 882 gph
  • Cast iron

Cons

  • Few published specs on the listing
  • Jet kit needed for deep wells
  • Needs priming

Limitations to weigh

  • Well pumps usually need a licensed installer, the right wire size and a pressure tank sized to the pump.
  • Prime the pump casing with water before the first start; jet pumps can't lift water until they're primed.
  • Check whether your circuit is 115 V or 230 V before ordering; many well pumps are wired for 230 V.

Specifications

Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.

Price$419.94Retailer
Model numberFP4122Retailer
Horsepower3/4 HPRetailer
Max flow (maker)882 GPHRetailer
HousingCast ironRetailer

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Final verdict

A cast iron 3/4 HP convertible jet pump from Flotec; check it against your well, basin or tank before you buy.

Where to buy

Our links open this exact model's product page. Prices and stock change; check what's included before you order.

$419.94Retailer price. Prices change; check the current price before you buy.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Questions buyers ask

What does the listing state?
3/4 HP, 882 gph and a cast iron build.
Is the voltage listed?
No; check with Flotec.