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Description
TESK 412 Series 4" Submersible Borehole PumpsThe TESK 412 Series 4" (100mm) submersible pumps are designed for exceptional efficiency, durability, and ease of use. Ideal for borehole applications, these pumps offer consistent performance across various models. Although the 412 range can do between 40 and 260 litres per minute, its optimum efficiency is at 150 180 litres per minute at a depth of 25m 160m depending on the model. We are happy to provide assistance if you're unsure which pump you
The TESK 412 Series 4" (100mm) submersible pumps are designed for exceptional efficiency, durability, and ease of use. Ideal for borehole applications, these pumps offer consistent performance across various models. Although the 412 range can do between 40 and 260 litres per minute, its optimum efficiency is at 150-180 litres per minute at a depth of 25m - 160m depending on the model.
We are happy to provide assistance if you're unsure which pump you need for your borehole. Please feel free to reach out to our team at [email protected]
Performance Specifications:
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TESK 412-07: Optimum efficiency is 160 litres per minute (9,600L/per hour) at a depth of 30m. Pump range is 40L/min - 260L/min and a depth of 15m - 40m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 7
- Pump outside diameter: 4" (100mm)
- Weight: 5.3Kg
- Mounts to any compatible 4" 1.50KW (2.00HP) Motor (also sold on Aquadale)
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TESK 412-10: Optimum efficiency is 160 litres per minute (9.600L/per hour) at a depth of 45m. Pump range is 40L/min - 260L/min and a depth of 20m - 57m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 10
- Pump outside diameter: 4" (100mm)
- Weight: 6.7Kg
- Mounts to any compatible 4" 2.20KW (3.00HP) Motor (also sold on Aquadale)
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TESK 412-14: Optimum efficiency is 160 litres per minute (9,600L/per hour) at a depth of 60m. Pump range is 40L/min - 260L/min and a depth of 25m - 80m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 14
- Pump outside diameter: 4" (100mm)
- Weight: 8.6Kg
- Mounts to any compatible 4" 3.00KW (4.00HP) Motor (also sold on Aquadale)
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TESK 412-17: Optimum efficiency is 160 litres per minute (9,600L/per hour) at a depth of 70m. Pump range is 40L/min - 260L/min and a depth of 30m - 95m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 17
- Pump outside diameter: 4" (100mm)
- Weight: 10.1Kg
- Mounts to any compatible 4" 4.00KW (5.50HP) Motor (also sold on Aquadale)
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TESK 412-19: Optimum efficiency is 160 litres per minute (9,600L/per hour) at a depth of 80m. Pump range is 40L/min - 260L/min and a depth of 35m - 110m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 19
- Pump outside diameter: 4" (100mm)
- Weight: 11Kg
- Mounts to any compatible 4" 4.00KW (5.50HP) Motor (also sold on Aquadale)
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TESK 412-26: Optimum efficiency is 160 litres per minute (9,600L/per hour) at a depth of 105m. Pump range is 40L/min - 260L/min and a depth of 45m - 145m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 26
- Pump outside diameter: 4" (100mm)
- Weight: 14.3Kg
- Mounts to any compatible 4" 5.50KW (7.50HP) Motor (also sold on Aquadale)
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TESK 412-34: Optimum efficiency is 160 litres per minute (9,600L/per hour) at a depth of 155m. Pump range is 40L/min - 260L/min and a depth of 65m - 205m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 34
- Pump outside diameter: 4" (100mm)
- Weight: 20.9Kg
- Mounts to any compatible 4" 7.50KW (10.00HP) Motor (also sold on Aquadale)
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Key Features:
- Motor Compatibility: Designed to pair seamlessly with standard 4" submersible motors.
- High Efficiency: Optimised hydraulic design ensures maximum water flow with minimal energy consumption.
- High Durability and Easy Installation: Constructed from corrosion-resistant 304 stainless steel, these pumps are built to withstand harsh environments and facilitate straightforward installation.
- Easy Service Operation: Designed for user-friendly maintenance, reducing downtime and operational costs.
- NEMA Standard Connections: Equipped with standardised NEMA connections for seamless integration with compatible motors.
- Water-Lubricated Rubber Bearings: Ensure smooth operation and longevity by reducing friction and wear.
- Built-In Check Valve: Prevents backflow, safeguarding the pump and enhancing system reliability.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Great Wonderful!!
Color: 6617：Blue Dial and Gold Silver Strap
I've now purchased about 3 of OLEVS watches.. The fit great.. Band is so easy to ajust. I'm super careful. So I took great care and time on the first OLEVS watch. So it took me about 15 mins. Now about 6 from start to finish.. Don't hesitate due to fitting the band. You get to custom fit it to you. And it's easy...real easy. Best of all. You get to keep the adjusting tool they provide...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 1, 2024
★★★★★ 5
Gorgeous watch!
Color: Silver, Color: Silver
This is such a beautiful timepiece! After a couple weeks I have yet to have to adjust the time. It keeps time as well as my other olevs that are quartz movement. The price is great, comfortable for all day wear, perfect size for me and the weight definitely feels on par with much more expensive automatic timepieces. This won't be the last olevs I purchase
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Reviewed in the United States on February 25, 2025
★★★★★ 5
Muy lindo y bueno lo recomiendo
Color: 6617：Blue Dial and Gold Silver Strap
Tal como en la foto
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Reviewed in the United States on March 3, 2026
★★★★★ 5
Beautiful
Color: Silver
It was a gift for my husband and he loves it.
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Reviewed in the United States on November 4, 2025
★★★★★ 1
Beautiful Watch, but . . .
Color: 6617：Blue Dial and Gold Silver Strap
I’m updating this review and lowering to one star. Would be zero if possible.
Another 2 weeks of owning this junk watch. I’m now having to wind it daily and reset the time. The only reliable feature is that it’s going to stop in the middle of each night. Piece of junk. Don’t buy.
This is a beautiful watch but not very reliable timepiece. This is a self winding watch which requires you to wear it 24/7 in order to keep working. i wanted a nice watch which looked good, kept good time, was affordable and a bit nicer.
I work a standard M-F, 8-5:00 workweek. I wear my watch daily for work and on RARE occasions after work or weekends if going out. My watch typically sits on the bedroom dresser after work hours and weekends. I've had this watch about 3 weeks now and have had to wind it and reset the watch three times during the time I've had it. If you are not wearing it for more than a day the watch runs down and and comes to a complete stop. You then need to manually wind and reset.
This was a concern after reading other reviews. I tried to find the same watch with a quartz movement and battery for this very reason. But this particular watch only comes in a mechanical self winding version. They have ONE other model with a similar look that has a quartz movement with battery. That watch is made in China; this one is made in the USA. This is another factor that convinced me try the self winding mechanical version. Big mistake, I should have looked at other brands and manufacturers. It turns out this was a regrettable impulse buy based on looks but not practical. It is not a reliable timepiece. Lets face it a watch's function is to reliably tell the correct time; if you're not willing to manually wind it and reset the time and dates every Monday morning this is not a practical timepiece. I would NOT buy this again for this reason.
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Reviewed in the United States on September 4, 2022