Narvi Ultra Small is Finnish made electrical sauna heater for both private and public use. It is a floor-standing model with short safety distances. Extra strong heating elements make this a durable product even for rough use. The heater is controlled by versatile separate control unit, which is not included in the price. The separate thermostat maintains the right temperature.
The diameter of a heating element of electrical heaters made by NARVI Oy is exceptionally big. This extends the usage life of a heating element and significantly reduces the risk of overheating. 
| Ultra Small 6 kW | Ultra Small 9 kW | |
|---|---|---|
| Sauna room size | 5–8 m³ | 8–14 m³ |
| Effect | 6 kW | 9 kW |
| Dimensions | ||
| Height | 68 cm | 68 cm |
| Width | 44 cm | 44 cm |
| Depth | 30 cm | 30 cm |
| Product weight | 15 kg | 15 kg |
| Stone capacity | 30 kg | 30 kg |
| Fuse | 3 x 10 | 3 x 16 |
| Connection 400V 3N mm² | 5 x 1,5 | 5 x 2,5 |
| Casing | Painted, stainless steel | Painted, stainless steel |
| Safety distances | ||
| Sides | 5 cm | 10 cm |
| Front | 8 cm | 8 cm |
| Up | 122 cm | 122 cm |
| Rear | 8 cm | 8 cm |
| Floor | 4 cm | 4 cm |
