Rocksolar 1.61 HP Solar-Powered Submersible Pump Kit
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Description
Description
ROCKSOLAR 1.61 HP Solar-Powered Submersible Pump Kit
What's included:
- 1 × 1.61 HP 80–150 V DC brushless submersible pump + built-in controller
- 4 × 450 W rigid monocrystalline bifacial solar panels (1,800 W array)
- 1 × 10 ft 10 AWG PV cable
- 1 × 2 String Waterproof PV Combiner Box with 32 A 500 V Circuit Breaker and surge protector
- 4 × Z-bracket solar panel mounting sets (optional)
- Ground or roof mount rack (optional)
- User manuals + warranty card
Key specs — all models:
- Motor: 1.61 HP DC brushless | Water-cooled | Permanent magnetic | Built-in controller
- Input: 80–150 V DC | Solar: 4 × 450 W bifacial panels included (1,800 W)
- Material: SS304 stainless steel | Pump type: impeller (centrifugal)
- Works in cloudy conditions | Battery-addable for extended operation
Four kit models — choose by flow vs. depth priority:
| Model A (3SPN1-14P) | Model D (4SPN3-8P) | Model E (4SPN4-4P) | Model F (4SPN6-4P) | |
|---|---|---|---|---|
| Max flow | 17.42 GPM | 25.74 GPM | 39 GPM | 46.8 GPM |
| Max head | 391.2 ft | 299.92 ft | 198.86 ft | 169.52 ft |
| Max pressure | 169.2 PSI | 129 PSI | 86 PSI | 73.3 PSI |
| Pump body | 3" | 4" | 4" | 4" |
| Outlet | 1.5" | 2" | 2" | 2" |
Built for: Very deep residential and farm wells, off-grid homesteads, remote properties, livestock watering, farm and greenhouse irrigation
Key features:
- 1,800W solar array included — four 450 W bifacial panels, exceeding the 1,200W+ minimum for reliable operation
- Deepest head in the kit lineup — Model A reaches 391.2 ft, the deepest in the entire submersible range
- Four model options — more choice than any other submersible kit, covering everything from deep narrow wells to high-volume shallow applications
- Built-in controller — no separate controller needed; quiet, simple operation
- Works in cloudy conditions — customers confirm reliable performance even on overcast days
- Battery-addable — extend operation beyond daylight hours
- Proven for livestock and off-grid use — customers confirm tanks stay full daily with zero grid dependency
- Dry-run auto protection — shuts off if well level drops, protecting the motor
Warranty: 5 years
How the System Works
The ROCKSOLAR Solar Powered Water Pump System converts solar energy into a reliable water supply for livestock watering, irrigation, and remote agricultural applications.
The operating sequence is as follows:
- Solar panels convert sunlight into direct current (DC) electricity.
- The solar pump controller continuously monitors the available solar power and adjusts the voltage and current to maximize energy harvest from the solar array.
- The controller supplies optimized DC power to the brushless submersible pump, ensuring efficient operation under varying sunlight conditions.
- The pump draws water from the well, pond, cistern, or other approved water source and delivers it through the discharge pipeline.
- Depending on the application:
- Livestock Watering: Water is pumped into a storage tank or watering trough. When an optional float switch is installed, the controller automatically stops the pump once the tank reaches the preset water level and restarts pumping when the water level drops.
- Agricultural Irrigation: Water is supplied to irrigation systems such as drip irrigation, sprinkler systems, soaker hoses, or storage reservoirs for crop, orchard, greenhouse, vineyard, pasture, and garden irrigation. Flow can be controlled using irrigation valves, timers, or storage tanks based on the specific irrigation design.
- During periods of insufficient sunlight, such as early morning, late evening, or heavy cloud cover, the controller automatically reduces pump speed or stops the pump to protect the system and optimize energy use.
- When adequate sunlight returns, the controller automatically restarts the pump without requiring manual intervention.
This intelligent, fully automatic operation minimizes maintenance while providing a dependable and sustainable water supply for livestock, irrigation, and other off-grid agricultural applications.
Shipping & Returns
Shipping & Returns
- Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
- Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
- If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Talk to Our Solar Experts
Have questions about this system? Our solar specialists are here to help you choose the right setup for your needs. Whether you need sizing guidance, installation support, or bulk pricing, we're ready to assist.