Attributes

Brand	-
Category	Root / Office Equipment, Supplies & Services
Origin	-
Compatible Model	Bambu Lab P1S / P2S
Material	High-Grade Silicone
Color	Black
Function	Heat Preservation & Insulation
Temperature Resistance	Up to 300°C (572°F)
Installation	Snap-on Design, Tool-Free
Weight	15 grams
Package Contents	1 x Silicone Heater Block Sleeve
Durability	Tear and Wear Resistant
Brand Compatibility	Official Bambu Lab Accessory

6 reviews

Anonymous

Mar 31, 2026

Rating: 4/5

Good value accessory

Simple but effective. It's not a magic fix for everything, but for anyone printing with engineering filaments, this is a must-have cheap upgrade. Keeps the heat in nicely.

Anonymous

Mar 26, 2026

Rating: 5/5

Essential upgrade for consistent prints

This sleeve fits perfectly on my P1S heater block. I noticed immediately that the ambient temperature around the nozzle is more stable, which has reduced warping on my ABS prints. Highly recommended.

Anonymous

Mar 23, 2026

Rating: 5/5

Perfect fit for P2S

I bought this specifically for the P2S and it matches the black aesthetic perfectly. It keeps the heat where it belongs and protects the block from accidental bumps during bed leveling.

Anonymous

Mar 21, 2026

Rating: 5/5

Stable temps, better adhesion

Since installing this, my first layer adhesion has improved significantly on high-temp materials. The insulation really helps maintain the thermal envelope around the hotend.

Anonymous

Mar 17, 2026

Rating: 4/5

Works well, slight fit issue initially

Does exactly what it says regarding heat retention. It was a tiny bit tight to snap on at first, but once seated, it stays put. My chamber temps are much more consistent now.

Anonymous

Mar 10, 2026

Rating: 5/5

Great quality silicone

The material feels very durable and thick enough to provide real insulation without being bulky. Installation took less than a minute. No issues so far after two weeks of heavy printing.

5 FAQ

Q: Does this come in other colors?

A: Currently, this protective sleeve is only available in Black to match the standard aesthetic of the Bambu Lab P-series printers.

Q: Will this interfere with the automatic bed leveling sensor?

A: Not at all. The sleeve covers only the heater block and does not obstruct the movement or function of the ABL sensor or the nozzle cleaning station.

Q: Is this compatible with the original P1P model?

A: This sleeve is specifically designed for the P1S and P2S models due to differences in the heater block assembly. It may not fit the P1P correctly.

Q: Can this withstand ASA printing temperatures?

A: Yes, the high-grade silicone is rated up to 300°C, which is well above the typical printing temperatures for ASA, ABS, and PLA.

Q: Do I need to remove the stock fan shroud to install this?

A: No, the sleeve is designed to snap directly onto the heater block without removing any other components or modifying your printer.

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