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    Hi-volume pond pump 20000l/h 200 watt CQB 20000 submersible water pump for koi ponds, aquariums, fountains and water features, featuring 10m maximum head height, energy-efficient motor, ceramic shaft, large filter basket and multiple hose adapters.
    Hi-volume pond pump 20000l/h 200 watt CQB 20000 submersible water pump for koi ponds, aquariums, fountains and water features, featuring 10m maximum head height, energy-efficient motor, ceramic shaft, large filter basket and multiple hose adapters.
    Hi-volume pond pump 20000l/h 200 watt CQB 20000 submersible water pump for koi ponds, aquariums, fountains and water features, featuring 10m maximum head height, energy-efficient motor, ceramic shaft, large filter basket and multiple hose adapters.
    Hi-volume pond pump 20000l/h 200 watt CQB 20000 submersible water pump for koi ponds, aquariums, fountains and water features, featuring 10m maximum head height, energy-efficient motor, ceramic shaft, large filter basket and multiple hose adapters.
    Hi-volume pond pump 20000l/h 200 watt CQB 20000 submersible water pump for koi ponds, aquariums, fountains and water features, featuring 10m maximum head height, energy-efficient motor, ceramic shaft, large filter basket and multiple hose adapters.
    Hi-volume pond pump 20000l/h 200 watt CQB 20000 submersible water pump for koi ponds, aquariums, fountains and water features, featuring 10m maximum head height, energy-efficient motor, ceramic shaft, large filter basket and multiple hose adapters.
    Hi-volume pond pump 20000l/h 200 watt CQB 20000 submersible water pump for koi ponds, aquariums, fountains and water features, featuring 10m maximum head height, energy-efficient motor, ceramic shaft, large filter basket and multiple hose adapters.
    Hi-volume pond pump 20000l/h 200 watt CQB 20000 submersible water pump for koi ponds, aquariums, fountains and water features, featuring 10m maximum head height, energy-efficient motor, ceramic shaft, large filter basket and multiple hose adapters.
    Over 1,000 happy customersRated 5 stars

    Hi-volume pond pump 20000l/h 200 watt

    Large flow for ponds, with hose adapters to 2 inch

    R 6,265.00

    Taxes included. Free shipping over R2,500

    Or 4x R 1,566.25 interest-free Payflex

    * Higher first payment may apply on large purchases

    Max head of 10 m, 5 m cable

    Hose adapters from 1 inch to 2 inch

    Low-level suction and low noise

    In stock, ready for collection now

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    Need it installed? We install, design and build ponds and water features

    Book an installation

    Pickup available at 51 Gerhardus Street

    Usually ready in 24 hours
    Submersible 20000L/H Water Pump Aquarium Marine Fish Tank Fountain Pond

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    Description

    Hi-volume pond pump 20000l/h 200 watt

    Powerful Water Circulation for Ponds, Aquariums & Water Features!

    Need a powerful pump to keep large volumes of water moving? The Hi-Volume 20000 L/H Pond Pump is designed to deliver strong, reliable water circulation for garden ponds, koi ponds, aquariums, fountains and water features.

    With an impressive maximum flow rate of 20,000 litres per hour and a 200W motor, this submersible water pump is ideal for applications that need high water flow without excessive power consumption.

    Featuring electronic frequency conversion technology, a durable ceramic shaft and a large filter basket, the CQB 20000 is designed for efficient performance and easier maintenance.

    Whether you're circulating water through a large pond, running a decorative fountain or maintaining an aquarium system, this pump offers a practical solution for keeping your water moving.

    Why Choose This Hi-Volume Pond Pump?

    • High Flow Rate – Moves up to 20,000 litres of water per hour for powerful water circulation.

    • Energy-Efficient 200W Motor – Designed to deliver high-volume water flow with efficient power consumption.

    • Electronic Frequency Conversion Technology – Designed to improve energy efficiency, with manufacturer-claimed savings of up to 60% compared to older technology.

    • Maximum Head Height of 10m – Suitable for pumping water to elevated water features and filtration systems.

    • Low-Noise Operation – Designed for quieter operation in ponds and aquatic systems.

    • Low-Level Suction – Helps draw water from lower levels in your pond or tank.

    • Large Filter Basket – Helps reduce debris buildup and makes routine maintenance easier.

    • High-Strength Ceramic Shaft – Built for durability and resistance to wear.

    • Spiral Impeller Design – Allows small dirt particles of up to 6mm to pass through.

    • Copper-Free Design – Suitable for compatible freshwater and saltwater aquatic environments.

    • Multiple Hose Connections – Includes hose adapter sizes of 1", 1¼", 1½" and 2".

    • 5m Power Cable – Provides flexibility when positioning your pump.

    Perfect for Ponds, Aquariums & Water Features

    This versatile submersible pump can be used for a variety of water circulation applications, including:

    • Koi & Fish Ponds – Keep large volumes of pond water circulating.

    • Garden Ponds – Improve water movement and reduce stagnant areas.

    • Waterfalls & Fountains – Supply water to decorative garden water features.

    • Aquariums & Fish Tanks – Support water circulation in suitable aquatic systems.

    • Marine & Saltwater Tanks – Copper-free construction makes it suitable for compatible saltwater applications.

    • Seafood Holding Tanks – Circulate water in suitable aquatic holding systems.

    • Water Recycling Systems – Move water through compatible recirculation setups.

    Designed for Efficient Water Movement

    The CQB 20000 combines a high-volume pumping capacity with energy-efficient technology to deliver reliable water circulation.

    Its electronic frequency conversion technology is designed to reduce unnecessary energy consumption, while the large filter basket helps prevent excessive debris from reaching the pump's internal components.

    The high-strength ceramic shaft provides durability during operation, and the spiral impeller allows small dirt particles of up to 6mm to pass through.

    This makes the pump a practical option for pond owners who need powerful water movement with straightforward maintenance.

    Product Specifications

    Specification Details
    Product Type Submersible Hi-Volume Pond Pump
    Model CQB 20000
    Maximum Flow Rate 20,000 L/H
    Power Consumption 200W
    Maximum Head Height 10m
    Impeller Type Spiral Impeller
    Maximum Particle Size 6mm
    Shaft Material High-Strength Ceramic
    Motor Technology Electronic Frequency Conversion
    Cable Length 5m
    Hose Adapter Sizes 1", 1¼", 1½", 2"
    Pump Dimensions 208 × 138 × 158mm
    Additional Listed Dimensions 228 × 150 × 178mm
    Weight 4.2kg
    Suitable Water Types Freshwater & Saltwater

    Installation & Maintenance Tips

    To get the best performance from your Hi-Volume Pond Pump, follow these simple maintenance recommendations:

    • Keep the pump fully submerged during operation.

    • Position it where water can flow freely into the intake.

    • Clean the filter basket regularly to prevent excessive debris buildup.

    • Check the impeller periodically for dirt or obstructions.

    • Use the correct hose adapter and suitable pipework for your installation.

    • Avoid allowing particles larger than 6mm to enter the pump.

    • Never operate the pump without water.

    • Always disconnect the electricity supply before cleaning or maintenance.

    Please Note: The maximum flow rate of 20,000 L/H and maximum head height of 10m are separate performance limits. Actual flow will depend on pumping height, pipe diameter, hose length, fittings and system resistance.

    For the best results, ensure your pipework and filtration system are suitable for the pump's flow capacity.

    Keep Your Water Flowing!

    Whether you're maintaining a large koi pond, creating a garden waterfall or improving circulation in an aquarium system, the Hi-Volume 20000 L/H Pond Pump offers powerful water movement in an energy-efficient design.

    With its durable ceramic shaft, large filter basket and high flow capacity, it's a practical choice for keeping your water circulating.

    Manual

    Need help installing? Drop Us A Line.

    How to choose the right pump

    Pump guide step 1 of 4: Don't choose a pump on litres per hour alone. The higher your pump has to push water, the less water comes out. How high does the water need to travel? Measure straight up from the water surface to the highest point where water comes out. Rule of thumb: choose a pump whose maximum head is at least 1.5x your measured height.

    Pump guide step 2 of 4: How strong should the water flow? Picture the look you want first. That tells you how many litres per hour (L/h) you need. Gentle trickle: lower L/h. Steady flow: medium L/h. Strong waterfall: higher L/h. Wider outlet, more flow needed: a 60 cm waterfall lip needs far more litres per hour than a 10 cm spout.

    Pump guide step 3 of 4: How far does the water travel? Every metre of pipe and every bend slows the water down. Narrow pipes slow it even more. Pump far from the outlet, or lots of bends? Choose a little more pump capacity than you think you need. Make sure your tubing fits: check the pump's outlet size on the product page.

    Pump guide step 4 of 4: Match the pump to your feature. Small tabletop or pot: low flow. Small fountain: flow + head height. Medium water feature: head height + L/h. Wall spout: head height + pipe restriction. Multi-tier fountain: higher head + spare capacity. Waterfall: L/h + waterfall width. Large feature: high L/h + high head.

    Range: High Volume Pond Fountain Pumps

    Hi-volume pond pump 20000l/h 200 watt CQB 20000 submersible water pump for koi ponds, aquariums, fountains and water features, featuring 10m maximum head height, energy-efficient motor, ceramic shaft, large filter basket and multiple hose adapters.

    Hi-volume pond pump 20000l/h 200 watt

    R 6,265.00

    Not sure which pump is right ?

    Use the pump sizing tool How to choose the right pump

    FAQs

    Read all FAQs or Drop Us A Line

    Are Waterhouse products SABS approved?

    Our products are all certified by the NRCS (SABS)

    We have a no-fuss warranty of between 6 months and 3 years on all our products.

    Our quality is undisputed.

    Our service is excellent.

    After sales service is exceptional.

     How much does shipping cost? 

    Shipping costs are automatically calculated at checkout based on your delivery location and the weight of your order.

    We use Bob Go to provide accurate, real-time courier rates, so you'll always see your delivery cost before completing your purchase.

    Enjoy FREE nationwide delivery on all orders over R2,500!

    We deliver throughout South Africa, making it easy to shop Waterhouse products wherever you are.

     What payment methods do you accept? 

    At Waterhouse, we make online shopping easy, safe and convenient.

    You can choose from a variety of payment options, including:

    • Credit & Debit Cards – Pay securely using Visa or Mastercard.
    • Apple Pay – Enjoy fast, convenient checkout using your Apple device.
    • Google Pay – Pay quickly and securely using your Google Wallet.
    • Capitec Pay – Pay directly from your Capitec bank account without entering card details.
    • Buy Now, Pay Later – Split your payment into instalments, where available and subject to approval.

    Shop with confidence! All payments are securely processed, which uses advanced encryption, fraud protection and secure payment authentication to protect your information.

    Simply select your preferred available payment method at checkout and complete your purchase.

    Do we carry spares for all our pumps?

    Yes! We don't just sell water pumps — we help you keep them running.

    Our team provides professional installation services for ponds, fountains, water features and other Waterhouse products in Gauteng. We also offer pump repairs, replacement parts and technical support to help you get the most out of your purchase.

    Whether you're planning a new installation or need assistance with an existing pump, our team is here to help.

    011 466 8250 / our contact form

    Does Waterhouse deliver water pumps throughout South Africa? 

    Absolutely! Waterhouse delivers nationwide, so you can shop our range of water pumps, garden products and accessories from anywhere in South Africa.

    Orders are generally delivered within 3–5 working days after payment has been confirmed, depending on your location and product availability.

    We also offer free shipping on qualifying online orders over R2,500. Prefer to shop in person? Visit our showroom at 51 Gerhardus Street, Strijdom Park, Randburg, where our team can assist you.

    How long will my delivery take to get to me?

    Goods will be delivered once receipt of payment has reflected in which the delivery will take 3-5 working days. If you need your ordered goods sooner, please contact us to make prior arrangements.

    Can I return my order if I do not want it?

    Yes, sure thing! You are welcome to return your order straight back to our warehouse for a refund.

    51 Gerhardus Street, Strijdom Park, Randburg.

    Please use your order number as the parcel reference so we can generate a credit for you as soon as we receive the stock.

    Please note: Due to the nature of our products a 12.5% handling fee will be charged on all returns.

     How can I track my Waterhouse order? 

    Once your order has been dispatched, you'll receive a shipping confirmation email with your tracking details.

    Simply click the tracking link in your email to follow your parcel's journey and check its delivery status. Or click on this direct link to track your order now: Track my Waybill

    Haven't received your tracking details? Check your spam or junk folder, or contact our friendly team at shop@waterhouse.co.za with your order number, and we'll gladly assist.

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    All-in-One Fountain Water Feature with granite-finish 50 cm round basin, available with solar-powered or electric-powered water pump and interchangeable fountain nozzles for gardens, patios and outdoor spaces.
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    All-in-One Patio Fountain Water Feature | Solar or Electric | Plug & Play

    Sale priceFrom R 630.00Regular price R 699.00

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