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Free shipping over R2,500  |  7-day returns  |  Call 011 466 8250

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    LP40 low noise high pressure 35W air pump for koi ponds, aquariums and pond aeration systems with 50 L/min air flow
    LP40 low noise high pressure 35W air pump for koi ponds, aquariums and pond aeration systems with 50 L/min air flow
    LP40 low noise high pressure 35W air pump for koi ponds, aquariums and pond aeration systems with 50 L/min air flow
    Over 1,000 happy customersRated 5 stars

    LP40 Low Noise High Pressure Air Pump – 50 L/min

    Strong, steady air for ponds and aquariums

    R 1,554.00

    Taxes included. Free shipping over R2,500

    Or 4x R 388.50 interest-free Payflex

    * Higher first payment may apply on large purchases

    Max air flow of 50 L/min (3000 L/h)

    Low noise, high pressure operation

    Suits ponds, aquariums and aeration systems

    In stock, ready for collection now

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    Pickup available at 51 Gerhardus Street

    Usually ready in 24 hours
    Download the LP40 Air Pump Manual for installation, operation, safety and maintenance information to help you set up and care for your air pump correctly.

    Frequently bought together

    Description

    LP40 Low Noise High Pressure Air Pump – 50 L/min

    Keep your pond, aquarium or aeration system well oxygenated with the LP40 Low Noise High Pressure Air Pump. Designed to deliver a strong, steady supply of air while keeping operating noise to a minimum, it’s a practical choice for systems that require reliable, continuous aeration.

    With a maximum air flow of 50 litres per minute (3000 L/h), the LP40 provides plenty of air for larger ponds, koi ponds, aquaculture systems and other aeration applications. Its high-pressure performance also allows air stones to be positioned at depths of up to 2.8 metres.

    The pump uses durable diaphragm technology to provide consistent airflow without requiring lubrication. Its design also helps with heat dissipation, making it well suited to regular use where dependable aeration is important.

    Key Features

    • 50 L/min maximum air flow
    • Powerful 35W motor
    • Low-noise operation
    • Provides strong, steady airflow
    • Suitable for air stones at depths of up to 2.8m
    • 12 air outlets for running multiple air lines
    • Durable diaphragm design
    • No lubrication required
    • Designed for efficient heat dissipation
    • Suitable for ponds, aquariums and larger aeration systems

    Ideal For

    • Koi and fish ponds
    • Aquariums
    • Aquaculture systems
    • Pond aeration
    • Natural swimming ponds
    • Septic tank aeration
    • Commercial water aeration
    • Other applications requiring continuous air supply

    Specifications

    Specification Details
    Model LP40
    Power 35W
    Voltage 240V
    Maximum Air Flow 50 L/min (3000 L/h)
    Maximum Pressure 0.03 MPa / 300 mbar
    Maximum Air Stone Depth 2.8m
    Air Outlet Diameter 18mm
    Air Outlets 12
    Dimensions (L × W × H) 245 × 175 × 185mm
    Length 245mm
    Width 175mm
    Height 185mm
    Pump Weight 4.25kg

    Whether you’re adding extra oxygen to a fish pond or setting up a larger aeration system, the LP40 Air Pump offers a simple way to achieve strong, consistent airflow with quieter operation.

    Manual
    Download Product Manual

    Range: Air Pumps

    LP40 low noise high pressure 35W air pump for koi ponds, aquariums and pond aeration systems with 50 L/min air flow

    LP40 Low Noise High Pressure Air Pump – 50 L/min

    R 1,554.00

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    Our products are all certified by the NRCS (SABS)

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    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.

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    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.

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    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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