Thread Cartridge Heaters Compact threaded cartridge heaters designed for reliable, localized heating in equipment that accepts a DN20 (3/4 inch = 25 mm) threaded fitting. Built with durable 201 stainless steel and multiple size and power options to match common industrial and laboratory heating needs. Key benefits Easy installation into threaded ports for rapid replacement and secure mounting. Precise, concentrated heating suitable for molds, manifold blocks, and small tanks. Corrosion resistant 201 stainless steel tube for long service life in general industrial environments. Multiple voltages and wattages allow selection for specific power requirements and control systems. Available tube lengths accommodate different immersion depths and heating profiles. Features and specifications Product name: Thread Cartridge Heaters Thread size: DN20 (3/4 inch = 25 mm) Tube material: 201 stainless steel Heater tube diameter: 20 mm Heater tube length options: 100 mm, 150 mm, 200 mm, 250 mm, 300 mm Voltage options: AC 110V, AC 220V, AC 380V Wattage options: 300 W, 500 W, 1000 W, 1200 W, 1500 W Wire length: 30 cm (11.8 inches) Package: 1 PC x thread cartridge heater Typical applications Hot runner systems and mold blocks where a threaded cartridge provides concentrated, controlled heat. Small tanks and manifolds for oil heating, hydraulic warming, or fluid temperature maintenance. Industrial machines and laboratory apparatus requiring compact, replaceable heating elements. Installation and compatibility notes Designed for DN20 threaded ports; confirm thread compatibility before installation. Choose tube length and wattage appropriate to immersion depth and thermal requirements. Select the correct AC voltage to match your power supply and control hardware. This cartridge heater provides a straightforward replacement option with flexible sizing and power choices for a variety of industrial and laboratory heating tasks.