TFF Dual-Colour 2-in-1 3D Printer Hotend Extruder Kit

Upgrade a compatible 3D printer for dual-filament operation with the TFF Dual-Colour 2-in-1 3D Printer Hotend Extruder Kit.

This hotend features two filament input fittings feeding into one shared nozzle, allowing a compatible printer setup to switch between two filament colours or materials during printing. Its finned black heatsink supports heat dissipation, while the gold-coloured heating block and fitted nozzle form a compact, integrated hotend assembly.

The TFF hotend is intended for custom builds, replacements and compatible 3D printer upgrades. Correct operation depends on the printer's mounting system, firmware, extruder configuration, electronics and filament-switching setup.

Key Features

• TFF 2-in-1 hotend extruder assembly
• Two filament inputs with one shared nozzle
• Supports compatible dual-colour printing setups
• Dual pneumatic push-fit connectors
• Finned heatsink for heat dissipation
• Gold-coloured heating block
• Protective black silicone cover
• Single precision nozzle output
• Compact assembled design
• Suitable for compatible replacement and upgrade projects

Specifications

• Brand: TFF
• Product type: 2-in-1 3D printer hotend extruder kit
• Input configuration: Dual filament input
• Output configuration: Single nozzle
• Number of pneumatic fittings: 2
• Number of nozzles: 1
• Heatsink colour: Black
• Heating-block colour: Gold
• Silicone-cover colour: Black
• Filament output style: Two inputs to one output
• Quantity supplied: 1 assembled hotend kit
• Printer included: No
• Filament included: No
• PTFE tubing included: No
• Cooling fan included: No

Compatibility and Suitable Applications

Suitable for compatible:

• FDM and FFF 3D printers
• Dual-filament printer conversions
• Dual-colour printing configurations
• Custom 3D printer builds
• Replacement hotend installations
• Single-nozzle, dual-input systems
• Printers with suitable mounting space and control support

Compatibility is not universal. Before purchasing, confirm:

• Hotend mounting dimensions
• Pneumatic fitting and PTFE tube compatibility
• Nozzle and filament requirements
• Heater and temperature-sensor requirements
• Cooling-fan arrangement
• Extruder and retraction configuration
• Mainboard connection requirements
• Firmware support for dual-filament switching
• Available clearance around the print head

How to Use

1. Switch off and unplug the 3D printer.
2. Allow the existing hotend to cool completely.
3. Remove the current hotend according to the printer manufacturer's instructions.
4. Confirm that the TFF hotend is physically and electrically compatible with the printer.
5. Mount the hotend securely using suitable printer-specific hardware.
6. Connect the required heater, temperature sensor and cooling system.
7. Insert compatible PTFE tubes into both pneumatic fittings.
8. Route one filament path into each input.
9. Configure the printer firmware, slicer and extruder settings for a dual-input, single-nozzle setup.
10. Perform temperature, extrusion, retraction and filament-switching tests.
11. Check for smooth feeding through both channels.
12. Complete calibration before starting a full print.

Safety and Important Usage Information

• Installation should be completed by a person familiar with 3D printer electronics and hotend systems.
• Disconnect the printer from power before installation or adjustment.
• Hotend components can reach temperatures capable of causing severe burns.
• Allow the complete assembly to cool before touching it.
• Confirm voltage and electrical compatibility before connecting any heater or sensor.
• Do not operate the hotend without a suitable cooling fan and airflow arrangement.
• Incorrect cooling may cause heat creep, feeding problems or filament blockages.
• Ensure the temperature sensor is correctly installed and recognised before heating.
• Never leave the printer unattended during initial testing.
• Keep cables away from the nozzle, heating block and moving components.
• Tighten the nozzle and heating components using the correct hot-tightening procedure where required.
• Do not overtighten the pneumatic fittings or threaded components.
• Stop operation immediately if the temperature reading is unstable or incorrect.
• Follow the printer, mainboard and firmware manufacturers' instructions.

Care and Maintenance

• Keep the heatsink fins clean and free from dust.
• Check that the cooling fan provides unobstructed airflow.
• Remove filament residue from the nozzle carefully.
• Inspect both pneumatic fittings and PTFE tubes regularly.
• Replace worn, burnt or deformed PTFE tubing.
• Check the nozzle and heating block for filament leakage.
• Keep all mounting points secure.
• Inspect heater and sensor wiring for heat damage.
• Perform filament changes at the appropriate printing temperature.
• Use suitable cleaning filament or approved unclogging procedures when required.
• Do not immerse the hotend in water or cleaning liquid.
• Allow the assembly to cool before maintenance.

Please Note

• The package contains the assembled TFF hotend kit only.
• Mounting screws, printer brackets and other loose components are not included unless physically supplied with the product.
• The 3D printer, filament spools, PTFE tubes, cooling fan, wiring, tools and printed models shown in demonstration images are not included.
• This product uses two filament inputs and one shared nozzle.
• It does not contain two separate nozzles.
• Dual-colour output requires a compatible printer, extruder arrangement, firmware and slicer configuration.
• The hotend does not automatically control filament switching by itself.
• Confirm all mechanical and electrical requirements before installation.
• Product appearance may vary slightly due to manufacturing tolerances.

What's in the box
1 x TFF Dual-Colour 2-in-1 3D Printer Hotend Extruder Kit