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Home / Hot End and Nozzle / Mellow 80W Heater Cartridge 12V/24V + 104GT-2 Thermistor + Super Volcano Heater Block 3D Printing

Attributes

Brand -
Category 3D Printing Accessories / Hot End and Nozzle
Origin -
Power Output 80W
Operating Voltage 12V / 24V Switchable
Thermistor Model 104GT-2
Heating Block Type Super Volcano
Block Material Aluminum Alloy
Thread Specification M6
Cartridge Diameter 6mm
Cartridge Length 20mm
Max Operating Temperature 300°C
Package Weight 50g

5 reviews

A

Anonymous

Apr 15, 2026

Rating: 5/5

Fast Heating Performance

Reaches target temperature in record time. I use this for ABS and PETG mostly, and it holds temp steady even during high speed prints.

A

Anonymous

Apr 12, 2026

Rating: 5/5

Stable Temps

No more temperature fluctuations. The 104GT-2 thermistor is very responsive. Installation was straightforward on my standard hot end setup.

A

Anonymous

Mar 28, 2026

Rating: 5/5

Excellent Upgrade for High Flow

This heater cartridge heats up incredibly fast. Paired with the Volcano block, my printing speed has improved significantly without losing temperature stability.

A

Anonymous

Feb 18, 2026

Rating: 4/5

Good Value Kit

Everything fit together nicely. The thermistor readings are accurate. Only giving 4 stars because the wiring diagrams could be clearer for 12V vs 24V setup.

A

Anonymous

Feb 14, 2026

Rating: 4/5

Solid Build Quality

The aluminum block feels durable. Heating is consistent. Just make sure you tighten the grub screws properly to ensure good contact with the cartridge.

5 FAQ

Q: Is the thermistor compatible with standard 100K tables?

A: Yes, the 104GT-2 thermistor works with standard 100K temperature tables found in most firmware like Marlin and Klipper.

Q: What is the warranty period for this kit?

A: This product comes with a 12-month manufacturer warranty covering defects in materials and workmanship.

Q: How do I switch between 12V and 24V operation?

A: The cartridge is compatible with both voltages. Please refer to the wiring diagram included in the package to configure your power supply connections correctly for your specific voltage.

Q: What is the maximum safe temperature for this block?

A: The recommended maximum operating temperature is 300°C. Exceeding this may damage the components or reduce lifespan.

Q: Does this support standard M6 nozzles?

A: Yes, the Super Volcano heating block features a standard M6 thread compatible with most Volcano-style nozzles.

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