Creality Heater Block Insulation Cover for Ender-3 S1

The Creality Heater Block Insulation Cover (Silicone Sock) for Ender-3 S1 is the hotend maintenance upgrade that keeps your heater block clean and your extrusion temperatures stable. The silicone sleeve prevents molten filament from adhering to the heater block exterior, maintains thermal stability by reducing heat loss to ambient air, and protects the heater block from corrosive filament residues.

• Silicone insulation sock for Ender-3 S1 heater block
• Prevents molten filament adhesion to heater block exterior
• Maintains more stable extrusion temperature by reducing ambient heat loss
• Protects heater block from corrosive filament and chemical residues
• High-temperature silicone — rated for sustained 250°C+ heater block temperatures
• Reduces thermal drift during long print sessions
• Easy sliding installation over heater block — no tools required
• Replace when sock shows damage, cracking or filament penetration

Orders are shipped in 2-4 business days using trusted couriers, including Fastway and The Courier Guy. Please see our returns Policy at the bottom of the page