I-PVC yokufudumeza ucingo, ebizwa nangokuthi i-heater, eyaziwa nangokuthi i-PVC yokushisa, ukusetshenziswa kwangaphakathi kwe-nickel-chromium alloy, i-Constantan alloy, i-copper-nickel alloy njengomqhubi wokushisa, ukusetshenziswa kwe-PVC insulation layer, umbala weyunithi ukujiya ngokuzikhethela. , umkhawulo wokushisa womkhiqizo ongu-105 ° C, isikhathi eside u-80 ° C ngaphansi kwempilo yesevisi efinyelela eminyakeni engu-8-12, ukushuba komkhiqizo nokusebenza kokugoba kuhle kakhulu, Kungamelana namandla adonsayo angaphansi kuka-35KG.