1. Housing, both inside and outside:
SS#201 black mirror, powerful in rust resistance, long serving time, function better & expensive than iron ones.
2. Heating tube:
Incoloy 840 with UL certificate. Thermostability, anti-rust, much better than aluminium or galvanized which you often see in the market.
|Model||Power||Voltage / Current||Sauna room m3||Size of wire||Stones
|Base body :||Stainless steel|
Can be controlled by AIO steam generator controller, no need to install 2 controller at the wall.
1 year for whole set