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

Warranty coverage is provided by the relevant supplier or manufacturer and is subject to their terms, conditions, exclusions and approval processes. Where applicable, Nova Line Technologies will assist customers in facilitating warranty claims with the relevant supplier or manufacturer. *Please see our T&C's policy for more information*

We deliver nationwide across South Africa using trusted courier partners.

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  Order Processing: Orders are typically processed within 1–3 business days, subject to stock availability and payment confirmation.
  
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  Delivery: Estimated delivery is 2–5 business days, depending on your location. Delivery times are estimates and may vary due to courier operations or circumstances beyond our reasonable control.
  
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  Tracking: Once your order has been dispatched, you'll receive a tracking number to follow your delivery with the relevant courier.
  
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  Returns: Returns are handled in accordance with our Returns, Refunds & Cancellations Policy and the South African Consumer Protection Act, where applicable.
  
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  Damaged or Incorrect Orders: If your order arrives damaged, defective, or incorrect, please notify us within 48 hours of delivery so we can assist you as quickly as possible.
  

For complete information, please refer to our Shipping Policy and Returns, Refunds & Cancellations Policy.

Do you offer support before purchase?
Yes. Contact us if you need help choosing the right printer or accessories.

Is warranty included?
Warranty coverage depends on the supplier or manufacturer policy.