Goulds J10S vs Red Lion RJS-100-PREM

Last updated: November 2, 2026

The Red Lion RJS-100-PREM is the better well pump overall, rated 4.0 to 3.3. The Red Lion RJS-100-PREM leads on warranty and value. The Red Lion RJS-100-PREM costs $266.56 less ($460.60 vs $727.16).

Goulds J10S vs Red Lion RJS-100-PREM

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 weightRed Lion RJS-100-PREMGoulds J10S
Overall rating4.0/53.3/5
Value 30%61 $35.98 per gpm ($460.60, 12.8 gpm at 20 ft to water at 40 psi)48 $43.80 per gpm ($727.16, 16.6 gpm at 20 ft to water at 40 psi)
Flow 25%100 12.8 gpm at 20 ft to water at 40 psi100 16.6 gpm at 20 ft to water at 40 psi
Housing 15%80 Cast iron housing80 Cast iron housing
Warranty 30%50 3-year warranty0 1-year warranty

Specifications

Red Lion RJS-100-PREMGoulds J10S
Pumping
TypeShallow jetShallow jet
Motor1 HP1 HP
Flow at the rating point12.8 gpm at 20 ft to water at 40 psi16.6 gpm at 20 ft to water at 40 psi
Most head or depth25 ft25 ft
Electrical and build
Voltage230 V230 V
Current8.8 A-
HousingCast ironCast iron
ImpellersGlass-filled thermoplasticThermoplastic
Discharge1 in1 in
Warranty
Warranty3 years1 year

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