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Home / Model Making Tools & Supplies / 3D Printer Accessories Single Nozzle Water-Cooled Extruder Head E3D Water-Cooled Hotend Kit

Attributes

Brand -
Category Model / Hobby Parts / Model Making Tools & Supplies
Origin -
Compatibility E3D V6, Titan Aero, and most standard 3D printer frames
Cooling Type Active Water Cooling System
Nozzle Thread M6 Standard Thread
Max Temperature Up to 450°C (with appropriate thermistor)
Material Copper Heat Break, Aluminum Heatsink
Filament Diameter 1.75mm
Included Components Hotend assembly, water tubes, fittings, and thermal paste
Weight 185 grams
Power Rating 40W Heater Cartridge (12V/24V compatible)
Application High-speed printing and abrasive filaments

6 reviews

A

Anonymous

Mar 24, 2026

Rating: 4/5

Instructions could be clearer

The hardware is excellent, but setting up the water loop took some trial and error. Once running, it's fantastic.

A

Anonymous

Mar 22, 2026

Rating: 4/5

Great performance but needs a pump

Works exactly as described. Just remember you need to buy a separate water pump and reservoir; it doesn't come in the kit.

A

Anonymous

Mar 14, 2026

Rating: 5/5

Perfect for high-speed ABS printing

The water cooling keeps the heat creep away even when pushing 150mm/s. Installation was straightforward with the included fittings.

A

Anonymous

Mar 12, 2026

Rating: 3/5

Good but heavy for some printers

It cools very well, but the added weight of the water lines caused ringing on my lightweight gantry. Might need tuning.

A

Anonymous

Mar 07, 2026

Rating: 5/5

Solid build quality

The machining on the aluminum block is precise. No leaks after two weeks of continuous printing with PETG.

A

Anonymous

Mar 04, 2026

Rating: 5/5

Essential for industrial filaments

We use this for printing carbon-fiber filled nylon. The constant temperature control prevents clogs effectively.

5 FAQ

Q: Can I use this with a 12V power supply?

A: Yes, the heater cartridge is dual voltage compatible and works efficiently with both 12V and 24V power supplies.

Q: How do I prevent leaks at the tube connections?

A: Ensure the tubes are cut perfectly straight and pushed firmly into the push-to-connect fittings until they stop. Tug gently to confirm they are seated.

Q: Does this kit include the water pump and radiator?

A: No, this kit includes only the hotend assembly, tubing, and fittings. You will need to source a compatible water pump and radiator separately.

Q: What type of coolant should I use?

A: Distilled water is recommended to prevent mineral buildup. You can also add a small amount of biocide if the system will run for extended periods.

Q: Is this compatible with 2.75mm filament?

A: This specific model is designed exclusively for 1.75mm filament. Using 2.75mm filament may cause jams and damage the extruder.

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