Replacement heating block and nozzle for Anet ET4 / ET4 Pro — durable, easy to install, reliable performance Key benefits - Reliable, consistent heating: High-quality 24 V, 40 W heating tube delivers steady heat for stable extrusion and fewer temperature-related print issues. - Precise, general-purpose extrusion: 0.4 mm brass nozzle provides accurate, predictable filament flow for everyday prints and detail work. - Long-lasting construction: Aluminium block plus stainless steel and brass components resist wear and corrosion, extending service life and reducing maintenance. - Fast replacement and minimal downtime: External connection thread enables quick, straightforward installation so you can get back to printing faster. What makes it stand out - Component quality: The combination of a robust aluminium heater block, a 24 V/40 W heater tube, stainless steel fittings, and a 0.4 mm brass nozzle is optimized for balanced thermal performance and durability. - Designed for compatibility: Built as a direct replacement for Anet ET4 and Anet ET4 Pro models, ensuring fit and function without modification. - Practical design: Materials and construction reduce the risk of leaks and wear at high-contact surfaces, lowering the frequency of part changes. Applications / use scenarios - Quick replacement on an Anet ET4 or ET4 Pro after a worn nozzle or damaged heater block to restore print quality. - Keep as a spare in a makerspace, classroom, or small repair shop for rapid swap-outs and to minimize machine downtime. - Use when consistent, everyday printing is needed for prototypes, hobby parts, or small production runs where reliable extrusion and durability matter. Compatibility and specifications - Compatible models: Anet ET4, Anet ET4 Pro - Heater: 24 V, 40 W - Nozzle: 0.4 mm brass - Materials: aluminium block, stainless steel components, brass nozzle - Installation: external connection thread for simple setup Package note - Intended as a direct spare or replacement part; installation should follow your printer manufacturer’s guidance.