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Overview
Solar water fountain pump with 3500 LPH flow and 3.1 m max head for medium/large ponds and water features.
Use the pump as a straightforward panel-to-pump setup, placing it in the pond and positioning the solar panel for operation in sunlight. Dry run protection helps prevent damage if water levels drop, and it can be paired with suitable tubing or the supplied spray heads depending on how you want the water feature laid out.
Perfect for medium to large ponds with professional-grade performance, excellent reviews, and free UK delivery.
✓ 3500 LPH Flow Rate✓ 3.1m Max Head Height✓ 70W Solar Panel✓ MPPT Technology✓ UK Warranty Included✓ Free 24 Hour UK Delivery On All Orders
How Can I Create Stunning Water Features While Enhancing Pond Health?
The 3500 LPH Water Pump is the perfect solution for creating beautiful fountain spray effects in ponds, while also improving water quality through circulation and oxygenation. Designed with versatility in mind, it can be used for other applications, but it excels in delivering dynamic fountain displays.
Fountain Performance & Setup
Why Fountain Effects Work Wonders
Fountain spray effects not only add elegance and movement to your pond but also play a critical role in maintaining water quality. By breaking the surface tension, they promote oxygen exchange, benefiting aquatic life and preventing stagnation.
How to Use the Pump for Fountain Spray Effects
Attachments: The pump includes multiple fountain nozzles to create various spray patterns.
Placement: Position the pump centrally in the pond for a balanced and eye-catching effect.
Outlet Design: The outlet, located at the center of the pump body, ensures a strong and steady vertical flow.
Customization: Adjust the height and angle of the spray to suit your pond’s size and aesthetic.
Additional Versatile Uses and Handy Tips
While ideal for fountains, the pump is also suitable for waterfalls, cascades, and general water circulation.
Install the pump at a depth that matches your desired flow rate and spray height.
Regularly clean the fountain nozzles and pump filter to maintain optimal performance and spray patterns.
Powerful 3500 LPH Multi-Use Water Pump
The 3500 PRO is a premium quality, powerful yet simple panel-to-pump solution perfect for transforming your garden water features.
Applications
High-volume water circulation for medium/large ponds
Professional cascades with 26mm / 32mm / 38mm tubing
Agricultural & farm pond management systems
3500 LPH powerful flow rate
Simple solar operation - works in sunlight
Unparalleled Features and Benefits
PowerBee's Sunspray Pro represents the pinnacle of solar water feature technology, combining cutting-edge engineering with practical design. Unlike conventional pumps, every component has been optimized to deliver maximum performance while remaining eco-friendly and simple to install. Here's what sets our system apart:
Key Features
High-Performance Solar Panels
Powered by a 70W monocrystalline solar panel for superior energy conversion.
Operates entirely on solar power—no mains electricity required.
Max operating voltage: 18V (dependent on sunlight conditions).
Exceptional Power and Reach
Maximum flow rate of 3,500 LPH (liters per hour), ideal for medium to large ponds and water features.
Maximum lift height: 3.1 meters (10.17 feet), perfect for waterfalls and cascades.
Includes a 5-meter professional-grade cable for flexible solar panel placement.
Durable and Versatile Design
Dry run protection prevents damage to the pump when water levels are low.
Compatible with 26mm / 32mm / 38mm tubing to suit various installations.
Robust pump size: 278mm x 220mm x 122mm, ensuring steady and reliable performance.
Exclusive MPPT Technology – Developed for Solar Pond Pumps
PowerBee Ltd was the first company to introduce MPPT-managed control systems into small garden and pond solar pumps — a level of solar optimisation previously used mainly in larger-scale applications.
Our MPPT design helps improve energy conversion in variable light, supporting more consistent flow and stronger usable performance in real UK conditions.
The 3500 Pump PRO features dual 35W panels (70W total) in durable aluminium frames with professional mounting hardware. The high-efficiency DC brushless pump ensures reliable, long-term operation.
This unit is designed for:
Medium to large-sized ponds
Creating impressive waterfall effects
Improving water flow and oxygenation in ponds
Flow Rate Comparison
Height
With Battery Backup (12.8V)
Without Battery Backup (18V)
@0m
2800
3500
@0.3m
2300
3132
@0.5m
2000
2887
@0.8m
1900
2520
@0.9m
1400
2400
@1.0m
1234
2272
@1.2m
900
2000
@1.5m
450
1530
@1.6m
300
1530
@1.8m
0
1060
@2.0m
0
1060
@2.4m
0
590
@2.8m
0
254
@3.1m
0
0
Max Height
1.8m
3.1m
Optional Battery System (Recommended)
While the 3500 LPH Pump performs exceptionally well with direct solar power, we highly recommend including the optional battery system for uninterrupted performance and enhanced water feature effects.
Battery Backup Overview
Why We Recommend Battery Backup
Extended Operation: Ensures up to 12–16 hours of continuous operation, including during cloudy weather or evening hours.
Enhanced Fountain Displays: Keeps fountain spray effects running consistently for maximum aesthetic impact.
Improved Water Quality: Longer circulation times promote better oxygenation and overall pond health.
Weather Independence: Ensures reliable operation regardless of sunlight availability.
Battery System Specifications
Battery Capacity
12V / 12Ah Latest LiFePO4
Charging Voltage
DC 15V to 18V
Output Voltage
DC 12V
Includes Led Fountain Lighting Ring
Yes
Maximum Input Power
120W
System Outputs with Battery
Pump Output: 35W maximum
Light Output (optional): 6W maximum
Universal Output: 10W maximum
Flow Rate with Battery: 3500 LPH maximum
Head Height: 3.1 or 1.8m without or with battery backup - maximum
Important Note
Investment in Consistent Performance: While the pump works efficiently on solar power alone, adding the battery backup system is a smart investment for maintaining continuous operation. This is especially valuable for keeping fountain spray effects running smoothly and ensuring optimal water circulation and oxygenation, creating healthier conditions for your pond environment.
Our pump systems are designed for efficient, year-round operation, delivering best performance during spring and summer. Follow this guide for proper setup, seasonal adjustments, and maintenance to maximize performance and product life.
Discover the operational principles and realistic performance expectations of your
energy-efficient water pump system throughout the seasons. This guide helps you
understand your system's capabilities and how to maximize its potential.
1. Operating Principles
Energy Collection
The panel captures sunlight and converts it to electrical energy
Energy powers the pump directly or charges the battery (in backup models)
System activation depends on light intensity and system type
Performance varies significantly with weather conditions
System Types
Direct Systems: Function only with sufficient direct sunlight
Battery-Backed Systems: Store energy for more consistent operation
Hybrid Systems: Combine immediate operation with energy storage
Each type offers different benefits based on your specific needs
2. Realistic Performance Expectations
Direct Systems Performance
Operation strictly dependent on available sunlight
Flow varies continuously with passing clouds
May start and stop multiple times on partly cloudy days
Strongest performance during midday hours with direct sun
No operation during evening or heavily overcast conditions
Battery-Backed Systems Performance
More consistent operation throughout the day
Continues running during brief cloudy periods
Provides operation after sunset (typically 1–8 hours depending on model)
Maintains steadier flow rate regardless of minor light variations
May include adjustable flow settings and timer functions
3. Seasonal Performance
Summer Performance (May to August)
Peak performance period for all system types
Direct Systems: Operation possible from early morning to evening on clear days
Battery Systems: Consistent daytime operation plus evening hours
Maximum flow rates achieved during direct midday sun
