Attributes

Brand	-
Category	Root / Office Equipment, Supplies & Services
Origin	-
Compatibility	Bambu Lab A1, A1 mini, H2D
Material	Ceramic Zirconia
Component Type	Heating Block Assembly
Brand	Mellow
Color	White/Ceramic
Package Includes	1x Heating Block, 1x Thermistor, 1x Heater Cartridge
Max Temperature	300°C (572°F)
Installation Difficulty	Moderate (Requires basic tools)
Warranty	90 Days Manufacturer Warranty
Origin	Made in China

6 reviews

Anonymous

Mar 24, 2026

Rating: 5/5

Perfect replacement for my A1 mini

My original heating block cracked after a nozzle clog. This Mellow ceramic block fit perfectly and heats up very evenly. The zirconia material seems much more durable than the standard aluminum one.

Anonymous

Mar 14, 2026

Rating: 3/5

Works well but pricey

It does exactly what it says and the ceramic material is nice, but I feel it is a bit expensive compared to generic aluminum replacements. Still, peace of mind is worth it.

Anonymous

Mar 10, 2026

Rating: 5/5

Excellent thermal stability

I switched to this ceramic block to reduce heat creep issues. It maintains temperature incredibly well even during long prints. Highly recommended for anyone upgrading their A1.

Anonymous

Mar 10, 2026

Rating: 4/5

Good quality, slightly tricky install

The part itself is excellent quality and works great with PLA and PETG. Installation took a bit longer than expected because the thermistor wire was stiff, but once installed, no issues.

Anonymous

Mar 05, 2026

Rating: 5/5

Great support from seller

I wasn't sure if this would work with my specific firmware version. The seller confirmed compatibility before I bought. Installed easily and printing beautifully now.

Anonymous

Mar 04, 2026

Rating: 5/5

Saved my printer

Stripped the threads on my old block and needed a quick fix. This assembly arrived fast and was plug-and-play. No calibration issues afterward.

5 FAQ

Q: What tools are required for installation?

A: You will typically need a hex key set (usually 2mm and 2.5mm) and possibly a small wrench to remove the silicone sock and disconnect the fan shroud. Detailed guides are available on our website.

Q: Do I need to perform a flow rate calibration after installing this?

A: While not strictly mandatory, we highly recommend running a flow rate calibration and checking your first layer height to ensure optimal print quality after swapping hotend components.

Q: Is this compatible with the Bambu Lab A1 Max?

A: No, this specific model is designed only for the A1, A1 mini, and H2D systems. Please check our store for parts compatible with the A1 Max.

Q: Does this come with the heater cartridge and thermistor pre-installed?

A: Yes, this is a complete assembly kit that includes the ceramic heating block, a new heater cartridge, and a thermistor ready for installation.

Q: Can this handle ABS filament temperatures?

A: Absolutely. The ceramic zirconia material can safely withstand temperatures up to 300°C, which is sufficient for ABS, ASA, and other high-temperature filaments.

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