Phaetus Rapido 2

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Phaetus Rapido 2 is a compact, fast-heating hotend family for high-flow 1.75 mm printing. This black 24V listing covers HF and UHF builds, with standard Rapido Hotend 2 280 °C vari ants and Rapido Plus Hotend 2 350 °C PT1000 variants. Why choose Rapido 2? Titanium heatbreak for thermal isolation and less heat creep than the original stainless heatbreak design. Aluminum heatsink + plated-copper extended heatblock for a longer melt zone and fast temperature response. HF and UHF options let you choose a shorter high-flow setup or the longer ultra-high-flow configuration when your toolhead clearance allows it. Removable temperature sensor makes service simpler: 104NT on the 280 °C Rapido Hotend 2, PT1000 on the 350 °C Rapido Plus Hotend 2. One-handed nozzle-change design with titanium alloy support screws to keep the heater block rigid. Specifications Brand: Phaetus Filament: 1.75 mm Voltage: 24V Color: black Flow options: HF / UHF Temperature options: Rapido Hotend 2 280 °C with 104NT sensor; Rapido Plus Hotend 2 350 °C with PT1000 sensor Construction: aluminum heatsink, titanium heatbreak, plated-copper heatblock, titanium alloy support screws Nozzle ecosystem: V6-style nozzle compatible; pair with Phaetus plated-copper V6 nozzles or Phaetus hardened-steel V6 nozzles for spares. Machine fitment and use Rapido 2 is a strong fit for high-speed CoreXY builds and Voron-style toolheads where a Phaetus/Rapido mount is supported. It is commonly chosen for Voron V2.4, Trident, Switchwire, custom Klipper printers, and other machines that need more melt capacity without moving to a full toolhead swap. Keep a matching spare sock on hand: Rapido 2 HF silicone sock or Rapido 2 UHF silicone sock. How to choose HF: choose this for a compact high-flow hotend when you want the simplest fit and do not need the longest melt zone. UHF: choose this when you are chasing higher volumetric flow and your toolhead has room for the longer setup. 280 °C / 104NT: choose standard Rapido Hotend 2 for common engineering plastics within its temperature range. 350 °C / PT1000 Plus: choose Rapido Plus Hotend 2 for higher-temperature materials and PT1000 sensor support. Gotchas This is a hotend, not a complete toolhead or extruder kit. Confirm your printed mount, fan duct, wiring length, and firmware sensor type before installing. Run PID tuning after installation, then re-check retraction and pressure advance. For abrasive filaments, use a hardened or wear-resistant nozzle rather than the basic plated-copper nozzle. Show more