Description
Narvi Ultra Small Wifi is an excellent choice for dedicated sauna enthusiasts in small and medium‑sized saunas. This highly durable heater also performs exceptionally well in public sauna environments. The internal components of the heater are made of stainless steel, and the heating elements are specially reinforced for long service life. The heater stands firmly on its own legs and features small safety distances, making installation easy. With its separate, minimalist controller, operating the heater is easy and comfortable. Narvi Ultra Small Wifi is handcrafted in Lapinkylä, Finland.
Finish your sauna to perfection
Narvi Ultra Small is available in the following colour options:
- black painted steel
- stainless steel
Narvi Ultra Small can be complemented with a wide range of accessories that make installation easier and complete the overall look:
- heater guard to increase safety
- 10 m and 20 m extension cables for the controller
- humidity sensor that measures the moisture level of the sauna room
When you want to combine modern design, high‑quality steam, and exceptional Finnish craftsmanship, Narvi NC Electric brings a relaxing sauna experience to your sauna.
Narvi Flow – Feel the control
The delivery includes the stylish Narvi Flow Wifi controller, making heater operation even more effortless and flexible. From the clear interface of the Flow Wifi controller, you can start the heater, adjust the sauna room temperature, and schedule both the heating start time and operating duration.
You can also control the heater remotely using the free Narvi Flow app, available for mobile devices on the App Store and Google Play. Open the app on your mobile device, start the timer — and perfect steam will be waiting for you when you arrive.
The controller is designed for maximum ease of use and compatibility with a wide range of sauna spaces, interiors, and styles. The menus are navigated smoothly using three buttons. The physical buttons provide comfort and reliability, and they work well even with wet fingers. The controller’s Easy Mode and On/Off‑mode allow usage restrictions when needed. Sauna lighting (max. 100 W) can also be connected to the control system. The controller can be installed either inside the sauna or outside it. A door switch is included with the Narvi Flow Wifi controller as a safety device for remote heater operation.
In addition to home saunas, Narvi Flow Wifi is ideal for community sauna facilities.The controller’s Easy Mode and On/Off-Mode can be used to restrict the available functions for the user. In On/Off-Mode, the user only needs to switch the sauna on, and the heater will operate according to preset settings. Both features are excellent also for short-term rental properties and hotel use. The safe and easy operating modes also work well for families with children.
On/Off-Mode
In On/Off-Mode, the user only turns the heater on and off, using preconfigured settings.
Easy Mode
In Easy Mode, the user adjusts the operating time and temperature but cannot change system default values.
The delivery package includes the heater, the Flow Wifi controller (6 m cable), a door switch, and a separate black temperature sensor. As accessories, the heater is available with a protective guard, 10 m and 20 m extension cables for the controller, and a humidity sensor.





















































