{"product_id":"hotend-heater-thermistor-kit-70w","title":"Hotend Heater + Thermistor Kit — Runice 24V 70W + 104NT Thermistor Cartridge","description":"\u003cp\u003e\u003cstrong\u003eThe headroom tier: Runice's 70W high-temperature cartridge — the heavily insulated build made for dfh.fm — with the 104NT thermistor cartridge.\u003c\/strong\u003e For big blocks, 300°C-plus materials and the fastest heat-ups, with the spring-relieved, JST-XH-terminated sensor that matches.\u003c\/p\u003e\n\u003ch3\u003eWhat's in the kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× \u003ca href=\"https:\/\/dfh.fm\/products\/70w-high-temperature-heater-cartridge\"\u003eRunice 24V 70W high-temperature heater cartridge\u003c\/a\u003e — 6 × 20 mm, 1 m red fiberglass-sleeved leads, tinned ends (P\/N 3028-07A)\u003c\/li\u003e\n\u003cli\u003e1× \u003ca href=\"https:\/\/dfh.fm\/products\/thermistor-cartridge\"\u003eRunice 104NT thermistor cartridge\u003c\/a\u003e — 104GT-2 \/ 104NT-4-R025H42G class, spring strain relief, 1 m lead, JST-XH\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAny block with a 6 mm cartridge bore and a 3 mm sensor bore that wants more heater than 60W — large blocks, high-flow hotends, engineering filaments.\u003c\/li\u003e\n\u003cli\u003ePrinting above 300°C? The \u003ca href=\"https:\/\/dfh.fm\/products\/hotend-heater-pt1000-kit-70w\"\u003e70W + PT1000 kit\u003c\/a\u003e swaps the thermistor for a PT1000.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e24V only. 2.9 A needs a real connector — Micro-Fit 3.0, screw terminals or the toolhead board's heater terminals, not a JST-XH. PID tune after install.\u003c\/li\u003e\n\u003cli\u003eHeater block, connectors and silicone sock are not included.\u003c\/li\u003e\n\u003cli\u003eSame parts, same shelf as the singles linked above — if the kit reads sold out, one of its parts is.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dfh.fm","offers":[{"title":"Default Title","offer_id":49112381620446,"sku":null,"price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9767\/0313\/files\/labels-main_6ab94081-e578-47a2-9d85-ae133ff6f129.jpg?v=1790373535","url":"https:\/\/checkout.dfh.fm\/products\/hotend-heater-thermistor-kit-70w","provider":"dfh.fm","version":"1.0","type":"link"}