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Description
TESK 408 Series 4" Submersible Borehole PumpsThe TESK 408 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 408 range can do between 20 and 200 litres per minute, its optimum efficiency is at 120 150 litres per minute at a depth of 20m 140m depending on the model. We are happy to provide assistance if you're unsure which pump you
The TESK 408 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 408 range can do between 20 and 200 litres per minute, its optimum efficiency is at 120-150 litres per minute at a depth of 20m - 140m 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 408-06: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 30m. Pump range is 20L/min - 200L/min and a depth of 18m - 40m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 6
- Pump outside diameter: 4" (100mm)
- Weight: 3.4Kg
- Mounts to any compatible 4" 1.10KW (1.50HP) Motor (also sold on Aquadale)
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TESK 408-08: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 40m. Pump range is 20L/min - 200L/min and a depth of 25m - 50m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 8
- Pump outside diameter: 4" (100mm)
- Weight: 4.0Kg
- Mounts to any compatible 4" 1.50KW (2.00HP) Motor (also sold on Aquadale)
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TESK 408-13: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 65m. Pump range is 20L/min - 200L/min and a depth of 30m - 80m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 13
- Pump outside diameter: 4" (100mm)
- Weight: 5.5Kg
- Mounts to any compatible 4" 2.20KW (3.00HP) Motor (also sold on Aquadale)
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TESK 408-17: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 85m. Pump range is 20L/min - 200L/min and a depth of 45m - 115m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 17
- Pump outside diameter: 4" (100mm)
- Weight: 6.6Kg
- Mounts to any compatible 4" 3.00KW (4.00HP) Motor (also sold on Aquadale)
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TESK 408-21: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 100m. Pump range is 20L/min - 200L/min and a depth of 50m - 130m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 21
- Pump outside diameter: 4" (100mm)
- Weight: 7.8Kg
- Mounts to any compatible 4" 4.00KW (5.50HP) Motor (also sold on Aquadale)
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TESK 408-23: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 115m. Pump range is 20L/min - 200L/min and a depth of 60m - 145m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 23
- Pump outside diameter: 4" (100mm)
- Weight: 8.4Kg
- Mounts to any compatible 4" 4.00KW (5.50HP) Motor (also sold on Aquadale)
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TESK 408-32: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 150m. Pump range is 20L/min - 200L/min and a depth of 80m - 200m.
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- Outlet Connection Diameter: 50mm Female Thread
- Number of stages: 32
- Pump outside diameter: 4" (100mm)
- Weight: 11Kg
- Mounts to any compatible 4" 5.50KW (7.50HP) 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
4.3 ★★★★★
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Product Reviews
★★★★★ 3
Great formula, but desperate for an unflavored option
Flavor Name: Berry, Size: 30 Servings (8.0 Ounce) (Pack of 1)
I’ve been incorporating Thorne’s Amino Complex into my daily stack, and from a nutritional standpoint, it’s hard to beat. The clinical dosing of essential amino acids is exactly what I’m looking for to support my recovery and fitness goals. Thorne is usually my go-to for purity and quality, and this product is no exception when it comes to the actual ingredients.
However, the flavor profile is a significant drawback. To be blunt: the flavors are just not good. They feel chemically and overly sweet, which makes it a chore to drink rather than a supplement I look forward to.
I would much prefer an unflavored and unsweetened version. Having the option to just mix the raw powders into water or my own beverage without the unnecessary flavorings and sweeteners would be a game-changer. If you’re sensitive to artificial tastes or just prefer a "cleaner" experience, the current options might be a struggle.
Pros:
High-quality amino acid profile.
Trusted brand with great sourcing.
Cons:
Flavors are unpleasant and too sweet.
No "naked" or unflavored option available.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026
★★★★★ 5
Taste and Quality are Excellent!
Flavor Name: Vanilla, Size: 30 Servings (Pack of 1)
Thorne has a reputation for high quality products so I thought I’d try this whey protein. It tastes really good! I find it easy to digest, and it dissolves easily. I plan to make this my go-to whey protein.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Definitely sweet but good mixed
Flavor Name: Vanilla, Size: 30 Servings (Pack of 1)
The vanilla would be too sweet on it's own for me but with strawberries and spinach it's perfect.
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Reviewed in the United States on February 15, 2025
★★★★★ 1
Horribly ‘weird’ sweet flavor
Flavor Name: Vanilla, Size: 30 Servings (Pack of 1)
Horrible taste - synthetic sweetness than destroys my shakes. I bought Thorne because of its high quality but this is one of their products that won’t work for me. I’m struggling through the jar because it’s too expensive to waste. Using cacao powder, cinnamon & cardamom to try to tone down the overwhelming ‘sweet.’
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 5
Absolutely Great Stuff
Flavor Name: Vanilla, Size: 30 Servings (Pack of 1)
The vanilla flavored Protein Powder has to be the Best tasting Protein Powder Ever. Literally delicious. Product satisfies your appetite while supplementing your body with needed protein and nutrients. Combined with gym workouts I’ve noticed firmer muscles. A nice noticeable improvement.
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Reviewed in the United States on May 5, 2026