For UL Certified Immersion Heater Cartridg...
Product Description For UL Certified Immersion Heater Cartridge Heating Element Igniter for Quadrafire Electric Air Heater Core Component The typical structure of a single-ended tube is generally composed of five key parts: insulator, sealing material, lead-out rod,filler, heating wire, metal sheath tube and terminal. The spiral-shaped heating wire and the lead-out rod are located at…











































