Grundfos 15SQ10-250 Submersible Well Pump (1 HP, 15 GPM, 240V)
Deep Well Water System — Efficient, Protected, Built for Off-Grid Reliability
Overview
The Grundfos 15SQ10-250 is a high-efficiency submersible well pump designed to deliver reliable water flow from deep wells with minimal energy consumption. Built with a stainless steel body and advanced motor protection systems, it provides consistent performance in both residential and off-grid water systems.
Engineered for narrow boreholes, this compact 3" pump is ideal for modern water infrastructure where durability and efficiency are critical.
Why This System Works
-
Consistent Water Delivery
Rated for 15 GPM at up to 250 ft head, supporting household and off-grid water needs
-
High-Efficiency Motor Design
Permanent-magnet motor reduces energy consumption while maintaining performance
-
Soft Start Technology
Minimizes startup surge, reduces wear, and allows use with smaller wiring
-
Dry-Run Protection
Automatically shuts down to prevent damage when water levels are low
-
Integrated Motor Safeguards
Includes overload, overvoltage, undervoltage, and temperature protection
-
Durable Stainless Steel Construction
Corrosion-resistant housing designed for long-term submersible use
-
Sand-Resistant Impellers
Floating impeller system with tungsten carbide/ceramic bearings extends lifespan
-
Compact 3" Design
Fits smaller wells while delivering full performance
System Role
Functions as the primary water extraction system for wells, delivering pressurized water to homes, cabins, or irrigation systems.
Perfectly integrates with:
- Off-grid power systems (solar + battery + inverter)
- Pressure tanks and filtration systems
- Whole-home water infrastructure
Key Specifications
| Spec |
Detail |
| Flow Rate |
15 GPM |
| Max Head Lift |
~224–250 ft |
| Motor |
1 HP Permanent Magnet |
| Voltage |
200–240V |
| Amperage |
11.2A |
| Pump Type |
Submersible |
| Outlet Size |
1-1/4" |
| Construction |
Stainless Steel |
| Impeller |
Composite (Floating Design) |
| Well Size Compatibility |
3" or larger |
| Weight |
16 lbs |
| Warranty |
2 Years |
Ideal Applications
- Residential well systems
- Off-grid water supply setups
- Cabins and rural properties
- Irrigation and utility water systems
Bottom Line
A compact, high-efficiency well pump designed for deep-water reliability — delivering consistent flow, advanced protection, and long-term durability for modern water systems.
