{"product_id":"heater-40-w-120-mm","title":"Heater 40 W - 120 mm","description":"\u003cp style=\"text-align: justify;\"\u003eThe Heater 40W - 120mm is the replacement heater cartridge designed for the Nextruder extruder used in the latest generation of Prusa Research FDM printers (MK4, MK3.9, CORE One ranges). Its function is to transfer electrical power to the hotend block to bring the melt zone to the target temperature set by the firmware, which is critical for consistent extrusion flow.\u003cbr\u003e\u003cbr\u003eRated at 40W at 24V, this cartridge conforms to the thermal profile expected by Prusa firmware, ensuring controlled heating behavior without software modification during reassembly. Its 120mm cable length matches the original wiring path on the Nextruder.\u003c\/p\u003e\n\u003ch2\u003eImplementation\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eReplacement is performed in case of heating failure, thermal error during printing, loss of contact, or localized overheating. The operation is carried out with the printer turned off and the hotend cooled, following the procedure documented in the Prusa knowledge base (help.prusa3d.com), by selecting the relevant printer model and following the corresponding repair manual. The product comes with the M3×4 locking screws required for assembly. After reassembly, perform a PID tune to validate the thermal regulation of the cartridge\/block combination and check the consistency of the temperature reading at cold start.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\n  \u003ctr\u003e\n\n\u003cth\u003ePart Type\u003c\/th\u003e\n\n\u003ctd\u003eHeater cartridge (resistive element)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n  \u003ctr\u003e\n\n\u003cth\u003eVoltage\u003c\/th\u003e\n\n\u003ctd\u003e24 V\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n  \u003ctr\u003e\n\n\u003cth\u003ePower\u003c\/th\u003e\n\n\u003ctd\u003e40 W\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n  \u003ctr\u003e\n\n\u003cth\u003eCable length\u003c\/th\u003e\n\n\u003ctd\u003e120 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n  \u003ctr\u003e\n\n\u003cth\u003ePackage contents\u003c\/th\u003e\n\n\u003ctd\u003e1x 40W \/ 120mm heater cartridge + 2x M3×4 locking screws\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n  \u003ctr\u003e\n\n\u003cth\u003eDocumentation\u003c\/th\u003e\n\n\u003ctd\u003eInstallation procedure on help.prusa3d.com (per printer model)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n  \u003ctr\u003e\n\n\u003cth\u003eUsage\u003c\/th\u003e\n\n\u003ctd\u003eSpare part \/ hotend maintenance\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n  \u003ctr\u003e\n\n\u003cth\u003eBrand\u003c\/th\u003e\n\n\u003ctd\u003ePrusa Research\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/table\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\n  \u003cli\u003ePrusa Research printers equipped with a Nextruder extruder\u003c\/li\u003e\n\n  \u003cli\u003eOriginal Prusa MK4 and MK4S\u003c\/li\u003e\n\n  \u003cli\u003eOriginal Prusa MK3.9 and MK3.9S\u003c\/li\u003e\n\n  \u003cli\u003eOriginal Prusa XL\u003c\/li\u003e\n\n  \u003cli\u003eOriginal Prusa CORE One, CORE One+ and CORE One L\u003c\/li\u003e\n\n  \u003cli\u003eNot compatible with previous generations (MK3S, MK3, MK2.5S, MK2.5, MINI, MINI+, SL1, SL1S, CW1, CW1S) and with MK3.5 \/ MK3.5S, HT90 models or enclosures (MKx Enclosure, XL Enclosure, MINI Enclosure)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Prusa","offers":[{"title":"Default Title","offer_id":56893894000984,"sku":"IDF__10923_IDS__1568","price":10.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0938\/8979\/0296\/files\/c73f9ccb-2960-40a6-b0d8-3d7130a7774c.jpg?v=1779700727","url":"https:\/\/3dprint.shop\/en\/products\/heater-40-w-120-mm","provider":"3dPrint.Shop","version":"1.0","type":"link"}