Product Name: Digital Stainless Steel Sauna Heater (KTNH-NK Black) Model NO.: KTNH-NK Black Certification: CE Voltage: 220V Power: 9KW Weight of Stones: 20kg Weight without Stones: 15KG Control Pane: External Timer: Timer Color: Grey Installation: Wall Mounted Usage: Home, Hotel, Club Capacity: 2-3 people Material: Lumber Core Place of Origin: Guangdong, China (Mainland) Model Number: Ktnh-Nk Black Function: Dry Steam Feature: Computer Control Panel, with Transom Windows Main Material: Stainless Steel Quality: ETL Ce ISO 9001 Heating: Traditional Sauna Trademark: KGTsauna Transport Package: Carton Box Specification: 2-20 day Origin: Guangdong, China (Mainland) HS Code: 840219 Product Description Stainless steel Sauna heater&Sauna heater(sauna room)Sauna heater/Sauna heaterStainless steel Sauna heaterETL CE ISO 9001ETL CE ISO 9001sauna oven(1), New smaller digital controller system.(2), Use three phase limit temp protect thermostat, it will have double protect function, if you use (new model), it has limit temp protect function, if thermostat is broken, limit temp with a little higher, for example if you set temp is 50 degress, when the room temperature arrive at 50 degress, heater will stop working, but this time this stop function is broken, and temperature will continue increasing, when temperature arrive at 55 degress, sauna heater will stop heating. It is limit temp protect function.(3), "schneider" connecter.(4), Teflon heating element.(5), much more strong stainless steel box.The detail photos are as follows: