Flotec FP4012 vs Goulds J5S

Last updated: November 2, 2026

The Goulds J5S and the Flotec FP4012 are evenly matched, rated 2.3 and 2.2. The Goulds J5S leads on housing and flow. The Flotec FP4012 wins on value. The Flotec FP4012 costs $393.40 less ($249.99 vs $643.39).

Flotec FP4012 vs Goulds J5S

Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every jet pumps well pump; a clear win is highlighted. How we rank explains each one.

Factor weightGoulds J5SFlotec FP4012
Overall rating2.3/52.2/5
Value 30%0 $90.62 per gpm ($643.39, 7.1 gpm at 20 ft to water at 40 psi)40 $49.02 per gpm ($249.99, 5.1 gpm at 20 ft to water at 40 psi)
Flow 25%39 7.1 gpm at 20 ft to water at 40 psi14 5.1 gpm at 20 ft to water at 40 psi
Housing 15%80 Cast iron housing30 Thermoplastic housing
Warranty 30%0 1-year warranty0 1-year warranty

Specifications

Goulds J5SFlotec FP4012
Pumping
TypeShallow jetShallow jet
Motor1/2 HP1/2 HP
Flow at the rating point7.1 gpm at 20 ft to water at 40 psi5.1 gpm at 20 ft to water at 40 psi
Most head or depth25 ft25 ft
Electrical and build
Voltage230 V115 V
Current-9.4 A
HousingCast ironThermoplastic
ImpellersThermoplastic-
Discharge1 in1 in
Warranty
Warranty1 year1 year

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