Rocksolar 4.0 HP Solar DC Brushless Submersible Pump
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Description
Description
ROCKSOLAR 4.0HP Solar DC Brushless Submersible Pump (Pump Only)
What's included: Pump + built-in controller, solar panel connectors, water intake mesh filter, mounting brackets, user manual, warranty card — panels not included
Key specs — all models:
- Motor: 4.0HP DC brushless | Water-cooled | Permanent magnetic | Built-in controller
- Material: SS304 stainless steel | Pump body: 4" | Outlet: 2" (all models)
- Solar: 4,400W+ recommended (10 × 440W) | Battery compatible
Four models — choose by flow vs. depth priority:
| Model A (4SPW1-26P) | Model C (4SPW3-13P) | Model E (4SPW6-8P) | Model G (4SPW12-5P) | |
|---|---|---|---|---|
| Max flow | 16.9 GPM | 33.90 GPM | 62.96 GPM | 117.56 GPM |
| Max head | 1,050 ft | 734.91 ft | 442.91 ft | 229.66 ft |
| Max pressure | 464 PSI | 318 PSI | 192 PSI | 99.5 PSI |
| Pump body | 4" | 4" | 4" | 4" |
| Outlet | 2" | 2" | 2" | 2" |
Built for: Extremely deep commercial and municipal wells, large-scale agricultural and commercial irrigation, high-pressure industrial water supply, remote properties with wells exceeding 500 ft
Key features:
- Model A reaches 1,050 ft — by far the deepest head of any pump in the ROCKSOLAR lineup; 268 ft deeper than the 3.0HP's best model
- Model G delivers 117.56 GPM — the highest flow of any pump ROCKSOLAR offers
- 464 PSI (Model A) — the highest pressure rating in the entire lineup
- 4,400W+ solar requirement (10 × 440W) — the largest panel array of any submersible pump on the site
- Built-in controller — plug-and-play simplicity
- Proven for large acreage, commercial farming, and long pipe runs — customers confirm consistent performance over months of daily operation
- Works in partial sun — customers confirm reliable operation even at reduced sunlight
- Dry-run auto protection — shuts off if well level drops
- Float switch / pressure switch compatible — automates fill and shutoff
Warranty: 5 years
Shipping & Rerturns
Shipping & Rerturns
- 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.


