Red Lion RJS-100-PREM
#1 in Jet pumpsFull review
The pick for a shallow well that has to feed a large home or irrigation as well as the house.
Amazon $460.60$460.60
The Red Lion RJS-100-PREM rates 4.0 among jet pumps well pumps; the Grundfos 10SQ10-290 rates 2.8 among submersible, 3/4 HP and up ones. The Red Lion RJS-100-PREM costs $1,081.79 less ($460.60 vs $1,542.39).
Grundfos 10SQ10-290
For deep or low-yield wells where built-in dry-run protection and a slim body justify a high price.
Amazon $1,542.39$1,542.39
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.
Scores side by side
These two sit in different type classes (jet pumps and submersible, 3/4 HP and up), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Red Lion RJS-100-PREM | Grundfos 10SQ10-290 |
|---|---|---|
| Overall rating | 4.0/5 | 2.8/5 |
| Value 30% | 61 $35.98 per gpm ($460.60, 12.8 gpm at 20 ft to water at 40 psi) | 5 $112.58 per gpm ($1,542.39, 13.7 gpm at 200 ft of head) |
| Flow 25% | 100 12.8 gpm at 20 ft to water at 40 psi | 55 13.7 gpm at 200 ft of head |
| Housing 15% | 80 Cast iron housing | 100 Stainless housing |
| Warranty 30% | 50 3-year warranty | 25 2-year warranty |
Specifications
| Red Lion RJS-100-PREM | Grundfos 10SQ10-290 | |
|---|---|---|
| Pumping | ||
| Type | Shallow jet | Submersible |
| Motor | 1 HP | 1 HP |
| Flow at the rating point | 12.8 gpm at 20 ft to water at 40 psi | 13.7 gpm at 200 ft of head |
| Flow series | - | 10 gpm |
| Most head or depth | 25 ft | 436 ft |
| Electrical and build | ||
| Voltage | 230 V | 230 V |
| Wiring | - | 2-wire |
| Current | 8.8 A | 7.7 A |
| Housing | Cast iron | Stainless |
| Impellers | Glass-filled thermoplastic | - |
| Discharge | 1 in | 1.2 in |
| Warranty | ||
| Warranty | 3 years | 2 years |