Goulds 10GS05422C
A durable stainless 10 gpm pump for typical wells with the water level within about 200 ft. Buy it from an authorized dealer to keep the warranty.
Amazon $863.88$863.88
The Goulds 10GS05422C is the better well pump overall, rated 3.4 to 2.6. The Goulds 10GS05422C leads on flow, warranty and value. The Grundfos 10SQ05-160 costs $108.04 less ($755.84 vs $863.88).
Grundfos 10SQ05-160
Best for shallower wells, with water within about 150 ft, where its dry-run and soft-start protection matter more than raw flow.
Amazon $755.84$755.84
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?
- Choose the Goulds 10GS05422C for flow (9.3 gpm at 200 ft of head vs 6.1 gpm at 200 ft of head), warranty (3-year warranty vs 2-year warranty) and value ($92.89 per gpm ($863.88, 9.3 gpm at 200 ft of head) vs $123.91 per gpm ($755.84, 6.1 gpm at 200 ft of head)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every submersible, 1/2 HP well pump; a clear win is highlighted. How we rank explains each one.
| Factor weight | Goulds 10GS05422C | Grundfos 10SQ05-160 |
|---|---|---|
| Overall rating | 3.4/5 | 2.6/5 |
| Value 30% | 18 $92.89 per gpm ($863.88, 9.3 gpm at 200 ft of head) | 0 $123.91 per gpm ($755.84, 6.1 gpm at 200 ft of head) |
| Flow 25% | 70 9.3 gpm at 200 ft of head | 34 6.1 gpm at 200 ft of head |
| Housing 15% | 100 Stainless housing | 100 Stainless housing |
| Warranty 30% | 50 3-year warranty | 25 2-year warranty |
Specifications
| Goulds 10GS05422C | Grundfos 10SQ05-160 | |
|---|---|---|
| Pumping | ||
| Type | Submersible | Submersible |
| Motor | 1/2 HP | 1/2 HP |
| Flow at the rating point | 9.3 gpm at 200 ft of head | 6.1 gpm at 200 ft of head |
| Flow series | 10 gpm | 10 gpm |
| Most head or depth | 281 ft | 226 ft |
| Electrical and build | ||
| Voltage | 230 V | 230 V |
| Wiring | 2-wire | 2-wire |
| Current | 4.3 A | 4.1 A |
| Housing | Stainless | Stainless |
| Impellers | Thermoplastic | - |
| Discharge | 1.2 in | 1.2 in |
| Warranty | ||
| Warranty | 3 years | 2 years |