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Black submersible water pump with handle, filter bag, and hose adapters.
Vivoun 300W submersible pump dimensions: 9.4" L x 5.8" H, with included accessories.
Mesh pump barrier bag and adjustable hose clamps.
Black submersible pump with strong suction cups, portable handle, and flexible nozzle with green arrow.
Exploded view of a submersible water pump, showing motor, handle, filter, and outlets.
Black submersible pump with inlet mesh cover and "HUGE FLOW 3700GPH" text.
Vivoun 300W submersible pump: ideal for ponds, fountains, hydroponics, aquariums, and irrigation. IPX8 waterproof.
Black submersible water pump with handle, filter bag, and hose adapters.
Vivoun 300W submersible pump dimensions: 9.4
Mesh pump barrier bag and adjustable hose clamps.
Black submersible pump with strong suction cups, portable handle, and flexible nozzle with green arrow.
Exploded view of a submersible water pump, showing motor, handle, filter, and outlets.
Black submersible pump with inlet mesh cover and
Vivoun 300W submersible pump: ideal for ponds, fountains, hydroponics, aquariums, and irrigation. IPX8 waterproof.
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Vivosun 300W Submersible Water Pump (3700GPH)

Official VIVOSUN Dealer Model: WEB-332594J
$129.99 USD
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
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  • 3,700 gallons per hour maximum flow rate
  • Wear-resistant silicon carbide drive shaft
  • Works in both fully submerged and inline external configurations
  • 2-year limited warranty
  • View More Details

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THROUGH THE Cultivator's LENS Hands-On Evaluation

  • You are scaling up your reservoir circulation because the stagnant corners of your current setup are driving uneven nutrient distribution.
  • You are installing a high-volume waterfall or cascade feature because your existing pump cannot maintain the flow pressure required to reach the top tier.

  • The silicon carbide shaft is a welcome upgrade that holds up way better against grit than the ceramic ones found in cheaper pumps.
  • The mesh bag is a simple addition but it saves you from having to pull the pump out of the reservoir every week to clear the impeller.

  • Operators who switched to this model for their large reservoirs noticed their filters finally stay clear because the higher turnover prevents sediment buildup.
  • Users who swapped out their old pumps for this unit report that the noise reduction made a massive difference when working in areas near living spaces.

Vivosun 300W Submersible Water Pump (3700GPH)

Large ponds, multi-tier waterfalls, and high-volume reservoirs need more flow than an entry-level pump can deliver. When circulation falls short, you get stagnant zones, weak water features, and filters that never see the full volume of water. The Vivosun 300W Submersible Water Pump moves up to 3,700 gallons per hour, roughly 40% more than the 2,600 GPH Vivosun 200W model. That extra volume turns over bigger bodies of water and drives more dramatic cascades.

Under the IPX8 waterproof housing, the shaft and drive ring are made of wear-resistant silicon carbide, and overload protection shuts the motor down before damage occurs. A detachable intake filter and the included mesh barrier bag keep debris from reaching the impeller. Even at full output, the Vivosun 300W pump runs at a quiet 30–40 dB.

Set it up to suit your system. The Vivosun 300W pump works fully submerged or inline outside the water, provided water flows through the pump body. Three included adapters connect tubing from 0.8" up to 2" and tighten by hand with a flat rubber washer seal. The adjustable outlet direction and 20 ft power cord simplify routing to filters, fountains, and statuary.

Features

Vivosun 300W Submersible Water Pump 3700GPH feature overview
Vivosun 300W Submersible Water Pump in pond and waterfall application
Vivosun 300W Submersible Water Pump with hose adapters
Vivosun 300W Submersible Water Pump detail view
🌊
3,700 GPH Output

Turns over large ponds and high-volume reservoirs on a 300W motor.

⛰️
20 ft Lift Height

Drives water up tall, multi-tier waterfalls and elevated filtration systems.

🤫
Runs at 30–40 dB

Stays quiet at full output, even near patios, living spaces, and grow rooms.

⚙️
Wear-Resistant Internals

Silicon carbide shaft and drive ring, sealed in an IPX8 housing with overload protection.

🧺
Debris Protection

Mesh barrier bag and detachable intake filter prevent clogs and pump stalls.

🔧
Flexible Installation

Submersible or inline setup, adjustable outlet direction, and tool-free fittings.

What's Included

  • Vivosun 300W Submersible Water Pump
  • 2" Threaded Coupler
  • 3.9" Multi-Hose Adapter (0.9"–1.4")
  • 5.3" Multi-Hose Adapter (0.8"–1.6")
  • Flat Rubber Washer Seal
  • Mesh Barrier Bag (11.8" × 15.7")
  • User Manual

Specifications

Specification Value
Voltage 120V / 60Hz
Power 300W
Max Flow Rate 3,700 GPH
Max Lift Height (Hmax) 20 ft
Flow Control Fixed flow rate
Noise Level 30–40 dB
Waterproof Rating IPX8
Motor Protection Overload protection
Shaft & Drive Ring Material Silicon carbide
Installation Submersible or inline
Max Submersion Depth 6.5 ft (2 m)
Power Cord Length 20 ft
Pump Dimensions (L × W × H) 9.4" × 4.9" × 5.8"
Hose Adapter Sizes 2" coupler; 0.9"–1.4" stepped; 0.8"–1.6" stepped
Barrier Bag Dimensions 11.8" × 15.7"

Warranty

The Vivosun 300W Submersible Water Pump is covered by a 2-year limited manufacturer warranty from the original date of purchase.

Frequently Asked Questions

Should I choose the 300W or the 200W Vivosun pump? +

The Vivosun 300W pump delivers up to 3,700 GPH, compared with 2,600 GPH from the 200W model, making it the better fit for larger ponds, taller waterfalls, and high-volume reservoirs. Both share the same housing size, fittings, and barrier bag.

Where should I position the pump in my pond? +

Place the pump as far as possible from where water returns to the feature to maximize circulation. Keep it out of the deepest part of the pond and no deeper than 2 m (6.5 ft), raising it on bricks or rocks if needed. This prevents a hose leak from draining the pond completely and endangering fish.

Can the Vivosun 300W pump be used inline? +

Yes. The pump can run outside the water as an inline pump, as long as water is flowing through it. It can also sit fully submerged in ponds, fountains, fish tanks, or hydroponic reservoirs.

How do I connect tubing to the pump? +

Seat the flat rubber washer, then hand-tighten the threaded collar of the adapter that matches your tubing diameter. Don't use tools, as they can crack the fittings. If your tubing is larger than the smaller steps on an adapter, cut those steps off to avoid restricting flow.

Does the pump come with hose clamps? +

No, a hose clamp is not included. If your tubing sits loosely on the multi-hose adapter, secure it with a hose clamp to prevent leaks.

How do I safely power the Vivosun 300W pump? +

Fully submerge the pump before plugging it into a GFCI (ground fault circuit interrupter) outlet on a 120V/60Hz circuit. Once water is circulating, check all fittings and external connections for leaks.

Will the pump keep running if debris gets into the pond? +

The included mesh barrier bag and detachable intake filter block leaves and sediment before they reach the impeller. That protection reduces clogging and stalling and helps extend the pump's service life.

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Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

Call (360) 800-5535

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