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12 Volt DC 002 Diaphragm Pump, compact 42W self-priming water pressure booster pump with 4.2 L/min maximum flow and 2.5 bar pressure for caravans, boats, camper vans and 4x4 water systems.
12 Volt DC 002 Diaphragm Pump, compact 42W self-priming water pressure booster pump with 4.2 L/min maximum flow and 2.5 bar pressure for caravans, boats, camper vans and 4x4 water systems.

12 volt dc 002 diaphragm pump


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PRODUCT DETAILS

12 Volt DC 002 Diaphragm Pump

Reliable Water Pressure Wherever You Need It

Need a compact water pump for your caravan, boat, camper van or 4x4? The 12 Volt DC 002 Diaphragm Pump is a practical and energy-efficient solution for boosting water pressure and transferring clean water when you're away from conventional plumbing.

Whether you're setting up a shower in your camper, supplying water to taps on your boat or washing down your vehicle, this compact 12V DC water pressure pump makes it easy to get water flowing wherever you need it.

With a maximum flow rate of 4.2 litres per minute and pressure of up to 2.5 bar, it's designed for smaller water supply applications that need consistent water movement without a large, bulky pump.

The pump also features self-priming capability of up to 1 metre, making installation easier when drawing water from a suitable tank or container.

Thanks to its low power consumption and compact design, it's ideal for mobile setups where space and electricity are limited.

Why You'll Love It

  • Compact & Lightweight: Easy to install in caravans, camper vans, boats and other mobile setups.

  • 12V DC Operation: Perfect for battery-powered water systems and off-grid applications.

  • Maximum Flow Rate of 4.2 L/min: Provides water flow for small taps, showers and water transfer applications.

  • Up to 2.5 Bar Pressure: Helps boost water pressure where a compact pump is needed.

  • Self-Priming Design: Can draw water from a source up to 1 metre below the pump under suitable conditions.

  • Energy Efficient: Uses just 42W of power for low-energy operation.

  • Quiet Operation: Designed to operate at noise levels of up to 40dB under stated conditions.

  • Versatile Power Options: Can operate from a compatible 12V battery, regulated solar power supply or AC-to-DC transformer.

  • 10mm Connections: Suitable for compatible small-diameter water hoses.

  • Versatile Applications: Ideal for water transfer, mobile showers, taps and light-duty spraying.

Perfect for Mobile & Off-Grid Water Systems

The 12 Volt DC 002 Diaphragm Pump is designed for situations where you need reliable water pressure without relying on a conventional mains-powered pump.

Its compact size makes it particularly useful for:

  • Caravans & Camper Vans: Supply water to small taps, basins and compatible shower systems.

  • Boats: Transfer clean water and provide pressure for onboard water supply.

  • 4x4 & Camping Setups: Create a convenient portable water supply for outdoor adventures.

  • Vehicle Washing: Supply water for light-duty washing and cleaning.

  • Garden Spraying: Power compatible small spraying and watering systems.

  • Agricultural Applications: Suitable for compatible low-volume spraying equipment, subject to chemical compatibility.

  • Off-Grid Water Systems: Operate using a regulated 12V power source.

Product Specifications

SpecificationDetails
ModelDC 002
Pump TypeDiaphragm Pump
Operating Voltage12V DC
Power Consumption42W
Current3.5A
Maximum Flow Rate4.2 L/min
Maximum Pressure2.5 Bar (35 PSI)
Stated Working Pressure0.4 MPa (4 Bar)
Maximum Lift24 m
Self-Priming Height1 m
Maximum Noise Level40 dB
Connections10 mm
Maximum Working Temperature50°C
Stated Heat ResistanceApproximately 60°C
Weight0.78 kg
Power Supply Options12V battery, regulated solar power or compatible AC/DC transformer

Powering Your 12V Diaphragm Pump

This pump operates on 12V DC, making it suitable for a variety of mobile and off-grid power setups.

You can power it using:

  • 12V DC Battery: Ideal for caravans, camping and portable water systems.

  • Solar Power: Use a suitable solar panel with a compatible voltage regulator and battery or regulated 12V supply.

  • AC/DC Transformer: Use a compatible 220–240V AC to 12V DC power supply with sufficient current capacity.

Always ensure your power supply delivers the correct voltage and sufficient current for safe operation.

Important Information

  • Designed for low-volume water transfer and pressure boosting applications.

  • Use suitable 10mm hose connections and ensure all fittings are securely installed.

  • Do not exceed the manufacturer's recommended operating temperature or pressure.

  • The pump requires a compatible 12V DC power source.

  • When using solar power, a suitable voltage regulator is required.

  • For drinking-water applications, confirm that the pump materials are approved for potable water.

  • For chemical spraying, confirm compatibility with the liquid being pumped before use.

MANUAL

12 VOLT DC 002 DIAPHRAGM PUMP

12 VOLT DC 002 DIAPHRAGM PUMP

We have a 7-day return policy, which means you have 7 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at shop@waterhouse.co.za.

We deliver via courier and ship daily across the country. Orders typically arrive within 3–5 working days. If there are any unexpected delays, we’ll keep you informed along the way.

Returns
Returns are hassle-free. If you’re not completely satisfied, you can send the item back to us for an exchange, swap, or refund. Products must be returned in their original condition and packaging.

We have a 7-day return policy, which means you have 7 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at shop@waterhouse.co.za. Please note that returns will need to be sent to the following address: [INSERT RETURN ADDRESS]

If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at shop@waterhouse.co.za.


Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.


Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.


Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.


European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.


Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at shop@waterhouse.co.za.

Please note: If an item is returned after 7 days of use, a 12.5% handling fee will be deducted from your refund due to the nature of the products.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items

Certain types of items cannot be returned, like perishable goods, custom products , and personal care goods . We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Exchanges

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

European Union 14 day cooling off period

Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

Refunds

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.

If more than 15 business days have passed since we’ve approved your return, please contact us at shop@waterhouse.co.za.

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