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Submersible Pump 400W-8m
Model : RH-4036
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Model : RH-4036 (NA)

Submersible Pump 400W-8m

Barcode For Color Box : 6942318622397

Barcode For Inner Carton : 6942318622403

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  • Features IPX8 protection level, with thermal protection and insulation class B to ensure long motor life.
  • Enhanced efficiency with a ceramic/graphite mechanical seal, PA66 impeller, and PP pump housing.
  • Submersible pump design, ideal for immersion in water for water lifting and drainage.
  • Suitable for clean water free of solids and abrasives, as well as non-viscous, non-aggressive, non-crystallized liquids with physical and chemical properties similar to water.
  • Perfect for domestic drainage, water lifting from tanks, rivers, or pools, and for garden and allotment irrigation.
  • Equipped with a float switch for automatic water level control and pump operation.
  • Continuous-duty motor (type S1) for increased durability
  • Stainless steel screws for corrosion resistance
  • Stainless steel motor cover and shaft for extended longevity.
  • Oil-submerged lip seal and mechanical seal for improved reliability.
  • High-strength engineering plastic pump body for added durability.
The RH-4036 Submersible Pump is a reliable, efficient, and durable solution for everyday water transfer needs. Whether you’re draining a flooded basement, emptying a pool, lifting water from a tank, or irrigating your garden, this pump is built to make the job easy. Designed with advanced engineering and safety in mind, it provides consistent performance in a compact and sturdy design.
 
Model RH-4036
Power 400 W
0.5 HP
Voltage 220-240 V
Frequency 50 Hz
Max. Flow 7000 L/h
7 m³/h
Min. head 0 m
Max. head 8 m
outlet port diameter G1 1/4 inch
Speed 2850 RPM
Max. liquid temperature 35 ℃
Max. Ambient temperature 35 ℃
Working Pressure 0.8 Bar
solid passage diameter 5 mm
max immersion depth 7 m
max dry running time 30 seconds
Protection level IPX8
Insulation Class B class
Pump housing material PP
Motor housing material 409#Stainless steel
Mechanical seal material Ceramic and graphite
Motor protection 125 ℃
Coil winding material copper winding
Impeller material PA66
shaft material 420#Stainless steel
Net Weight 4.1 Kg
Gross weight 4.5 Kg
packaging color box
Accessories Adaptor*1, manual*1
Downloads & Resources
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Move water fast and safely with the RH-4036 pump. 7,000 L/h, built-in float switch, durable design. Check the features out!
With a 400W motor (0.5 HP), the pump can move up to 7000 liters of water per hour and lift it as high as 8 meters. It works smoothly in clean water and is perfect for home, garden, and light outdoor use. A built-in float switch automatically controls the water level, so the pump only runs when it should, protecting it from damage. The pump is built with both strength and convenience in mind. Its lightweight plastic body makes it easy to handle, while the stainless steel motor housing and shaft keep it strong and rust-resistant. A special sealing system with ceramic and graphite parts protects the motor, keeping it reliable for years.
Materials are the backbone of this pump’s reliability. The PP (Polypropylene) housing gives strength without adding unnecessary weight. The PA66 impeller offers excellent efficiency and resilience, handling clean water with ease. Inside, the 100% copper windings ensure stable, long-term motor performance. The stainless steel housing (409#) and shaft (420#) provide resistance against corrosion and daily wear, while the ceramic/graphite seals guarantee a leak-free, long-lasting operation. Every component has been carefully selected to balance durability, efficiency, and cost-effectiveness.
When it comes to performance, the RH-4036 is a powerhouse in a small body. It moves up to 7000 liters of water per hour, which means tasks like emptying tanks, pools, or water reservoirs happen fast and efficiently. With a maximum head of 8 meters, it can lift water high enough for most domestic and light-duty irrigation needs. Its motor runs at 2850 RPM, giving steady, reliable performance. Even under continuous use, the pump maintains stable pressure (0.8 Bar working pressure) for consistent output
Safety is at the core of this design. The IPX8 protection level ensures the pump can be fully submerged without risk of electrical damage. A built-in thermal protection system safeguards the motor from overheating by automatically stopping the pump if it reaches 125°C, then restarting once it has cooled. The float switch is another smart feature; it automatically turns the pump on or off depending on the water level, so it never runs dry unnecessarily. Even if conditions push it to dry run, the pump can safely handle up to 30 seconds without water, preventing accidental damage.
The insulation class B protects the motor, ensuring safe, efficient energy use. Stainless steel screws, motor cover, and shaft keep rust away, even after prolonged use in damp or wet conditions. With a continuous-duty motor (S1), it’s designed to run steadily without wear from frequent stops and starts. Its ability to handle water temperatures up to 35°C, along with the same ambient limit, makes it reliable in most climates.
Practical, versatile, and dependable, this pump adapts to a wide range of uses. It’s ideal for domestic drainage, from basements, garages, and flooded areas to emptying water tanks, pools, or ponds. Gardeners will love it for irrigation and allotment watering, where it delivers a steady flow for healthy plants. It’s equally useful for lifting clean water from rivers, wells, or storage reservoirs. Designed for clean water free of solids and abrasives, it’s best suited for non-aggressive, non-viscous liquids with similar properties to water.
Inside the box, you’ll find everything you need: •    One adaptor for quick connection. •    A clear user manual to guide you through setup and use. The RH-4036 comes neatly packed in a color box that’s sturdy enough for safe transport and smart enough for store display. 
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