Power your pond, fountain, or waterfall with the Molly’s Backyard HSB 4000 LPH Submersible Water Pump — designed for steady water movement, adjustable output, and quiet, energy-efficient operation.
With a maximum flow rate of 4000 litres per hour and a 3.5 m lift height, this pump is suitable for medium to large ponds, cascading features, aquaponic setups, and aquarium circulation systems.
Durable construction and low-vibration performance make it ideal for continuous indoor or outdoor use in both freshwater and marine environments.
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Key Features
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4000 LPH Flow Rate – suitable for ponds, fountains & waterfalls
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Adjustable Flow Control – set the water output to suit your system
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3.5 m Lift Height – supports multi-level water features
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Energy-Efficient 85 W Motor – consistent performance with moderate power use
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Quiet Submersible Operation – smooth running for continuous duty
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Durable Housing – built for long-term outdoor applications
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Multiple Outlet Sizes – includes 19 mm & 25 mm fittings
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1-Year Warranty (excludes impeller)
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Specifications
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Max Flow Rate: 4000 LPH
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Max Head Height: 3.5 m
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Power: 85 W (AC 220–240 V / 50 Hz)
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Outlet Sizes: 19 mm & 25 mm
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Cord Length: 3.00 m
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Pump Dimensions: 180 × 130 × 80 mm
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Weight: 1.47 kg
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Operation: Submersible, continuous use
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Warranty: 1 Year (impeller excluded)
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Ideal For
- Medium to large ponds & garden water features
- Waterfalls, streams & rock cascades
- Hydroponic and aquaponic circulation
- Freshwater & marine aquarium systems
- Decorative backyard fountains
Reliable submersible pumps for ponds, aquariums, and water features — Molly’s Backyard delivers Australia-wide with dependable support.
Flow Rate Max = 4000 LPH
Head Height Max = 3.5 m
Voltage = 220-240
Watts = 85
Flow Control = Variable
Outlet Sizes = 19, 25 mm
Size (LxHxW) = 180 x 130 x 80 mm
Package Dimensions (LxHxW) = 210x175x150 mm
Package Weight = 1470 g
Cord Length = 3000 mm
