There is not enough current that damage the heating elements if powerful elements winding.But built-in heating element solve this problem that heating element burn out for loose contacts.
Longer life of heating elements
Do clean photosensitive with cotton swab to avoid dust covering it caused lower sensitivity.
Spring
The spring inside of heating elements is good thermalconduct-ivity which results in difficulty damage of heating elements
Model 1600W Heatine elements Voltage 230V Material Ceramic Application Heating elements
