I-heater epholile ye-PTCEzimotweni ezisebenza ngogesi kuphela, ibhethri ibhethri lamandla kagesi aphezulu futhi isifudumezi sikagesi ngokuvamile sikhethwa ukuthi sibe amandla kagesi aphezulu ngenxa yokuthi amandla kagesi aphezulu kanye namandla kagesi afanayo angashintshwa abe ukushisa kaningi.
Kuya ngokuthi i-heater kagesi isebenza kanjani futhi ingahlukaniswa ngalezo ezifudumeza umoya(I-heater ye-PTC) ngqo nalezo ezishisisa umoya ngokungaqondile ngokufudumeza amanzi.Ukushisa okuqondile komoya kusekelwe esimisweni esifanayo nesomisi sezinwele kagesi, kuyilapho uhlobo lokufudumala kwamanzi luseduze nefomu le-heater.Kulokhu sethula futhi sibonisa izifudumezi zamanzi ezifudumala ngogesi.