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Sewage and drainage pump (dv-450-f)


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PRODUCT DETAILS

Sewage & Drainage Pump. (DV-450-F)

Powerful and Reliable Wastewater Drainage for Homes and Commercial Applications

Need a reliable pump to remove dirty water, wastewater and small solids? The DV-450-F Sewage & Drainage Pump is designed to make wastewater removal easier, whether you're dealing with a residential drainage pit, sewage system or commercial drainage application.

Powered by a 0.45kW motor, this submersible pump delivers a maximum flow rate of 12,000 litres per hour (200 L/min) and a maximum head height of 8.5 metres.

Its wide-passage design allows solids up to 25mm to pass through, making it suitable for dirty water containing compatible suspended debris and fibrous material.

With its stainless steel and cast iron construction, automatic float switch and built-in motor protection, the DV-450-F is designed for dependable operation in demanding drainage environments.

Why You'll Love It

  • Powerful 0.45kW Motor – Designed for efficient dirty water and wastewater drainage.

  • Maximum Flow Rate of 12,000 L/h – Moves up to 200 litres of water per minute under suitable operating conditions.

  • Maximum Head Height of 8.5m – Suitable for applications requiring water to be lifted to a higher discharge point.

  • Handles Solids up to 25mm – Allows suitable suspended debris to pass through the pump.

  • Wide-Passage Design – Helps reduce the risk of blockages when pumping wastewater containing small solids and fibrous material.

  • Stainless Steel & Cast Iron Construction – Provides strength, durability and resistance to wear.

  • Automatic Float Switch – Switches the pump on and off according to the water level.

  • Built-In Motor Protection – Helps protect against overheating and excessive current.

  • 6m Power Cable – Provides convenient reach for suitable installations.

  • 50mm Outlet – Connects to compatible discharge pipework.

  • Submersible Design – Suitable for operation while submerged within the specified limits.

Designed to Handle Dirty Water and Small Solids

Not every water pump is designed to handle wastewater containing dirt, debris and suspended solids.

The DV-450-F Sewage & Drainage Pump features a wide-passage design that allows non-abrasive solids up to 25mm to pass through the pump.

This makes it a practical choice for drainage applications where ordinary clean-water pumps may struggle.

Its bottom-suction design helps draw water from the collection area, while the durable construction supports operation in suitable wastewater environments.

Whether you're removing accumulated water from a drainage pit or transferring wastewater to a compatible sewage system, the DV-450-F helps make the job easier.

Automatic Operation with Float Switch

The DV-450-F comes fitted with an automatic float switch, making it convenient for areas where water levels regularly change.

When the Water Level Rises

The float switch activates the pump when the water reaches the switching level.

When the Water Level Drops

The float switch switches the pump off when the water falls to the lower switching level.

This helps automate drainage and reduces the need to manually control the pump.

Durable Construction with Built-In Protection

The DV-450-F combines stainless steel and cast iron components to provide a strong and sturdy design.

These materials offer resistance to wear and corrosion in compatible operating conditions.

The pump also features a built-in motor protector that automatically interrupts power if overheating or excessive current is detected.

This added protection helps reduce the risk of motor damage during operation.

Ideal Applications

  • Residential Wastewater Drainage – Remove dirty water from suitable household drainage systems.

  • Sewage Drainage Systems – Transfer compatible wastewater containing small, non-abrasive solids.

  • Drainage Pits & Sumps – Automatically pump accumulated wastewater using the float switch.

  • Commercial Drainage – Remove wastewater from compatible commercial facilities.

  • Industrial Wastewater Transfer – Assist with suitable factory and industrial drainage applications.

  • Construction Site Drainage – Pump collected water containing compatible dirt and debris.

  • Floodwater Removal – Help clear accumulated dirty water from flooded areas.

  • Wastewater Collection Areas – Transfer wastewater to suitable drainage and treatment systems.

Product Specifications

SpecificationDetails
ModelDV-450-F
Product TypeSubmersible Sewage & Drainage Pump
Motor Power0.45kW (450W)
Maximum Flow Rate12,000 L/h (200 L/min)
Maximum Head Height8.5m
Outlet Diameter50mm
Maximum Solids Passage25mm (Non-Abrasive)
Power Cable Length6m
Maximum Immersion Depth5m
Maximum Liquid Temperature40°C
Liquid pH Range4–10
Maximum Liquid Density1,200 kg/m³
ConstructionStainless Steel & Cast Iron Components
Float SwitchIncluded
Motor ProtectionOverheating & Overcurrent Protection
Suction DesignBottom Suction
Stated Weight16.6kg
Listed Gross Weight18kg

Understanding Flow Rate & Head Height

When choosing a sewage or drainage pump, it's important to understand how flow rate and head height affect performance.

Maximum Flow Rate – 12,000 L/h

This is the highest stated water flow under low-resistance conditions.

Maximum Head Height – 8.5m

This is the maximum height the pump can lift water, at which the flow rate approaches zero.

As the pumping height increases, the available flow rate generally decreases.

Actual performance will also depend on the pipe diameter, pipe length, bends and fittings used in your installation.

Please Note: The pump will not deliver its maximum flow rate at its maximum head height.

Installation & Important Information

  • Ensure the pump is correctly submerged during operation.

  • Do not exceed the maximum immersion depth of 5 metres.

  • The maximum liquid temperature must not exceed 40°C.

  • Only pump compatible liquids within the specified pH range of 4–10.

  • Do not attempt to pump solids larger than 25mm.

  • Avoid abrasive solids that could damage the pump's internal components.

  • Allow enough space for the float switch to move freely.

  • Use compatible discharge piping with the 50mm outlet.

  • Ensure all electrical connections are correctly installed and protected.

  • Regularly inspect and clean the pump to maintain efficient performance.

Important: Although the DV-450-F is designed for sewage and dirty water drainage, it is not suitable for every type of sewage or wastewater. Avoid abrasive materials, oversized solids and incompatible chemicals.

Reliable Wastewater Drainage When You Need It

The DV-450-F Sewage & Drainage Pump offers a practical solution for moving dirty water and wastewater in suitable residential, commercial and industrial environments.

With its 12,000 L/h maximum flow rate, 8.5m maximum head height, 25mm solids-handling capability, automatic float switch and durable construction, it's designed to make wastewater drainage easier and more efficient.

Whether you're draining a sump, transferring wastewater or managing a compatible sewage drainage system, the DV-450-F provides dependable performance for everyday drainage applications.

MANUAL

SEWAGE AND DRAINAGE PUMP (DV-450-F)

SEWAGE AND DRAINAGE PUMP (DV-450-F)

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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