All configurations
Included with purchase
Installation base.
Built for these
Narvi NC – The 'Goldilocks of Thermal Mass'
Narvi's NC 16, 20 and 24. Narvi lists INSTALLATION BASE 550×620 among the NC's optional accessories. Check the model: the NC 16 (19.7 x 22.8 in) and NC 20 (21.3 x 22.8 in) sit inside the base's 21.7 x 24.4 in top, while the NC 24 at 22.8 in wide is wider than it. Customers do order the NC and this base together. See the full product and build your package →
Narvi Kaamos 20 Woodburning Sauna Heater from Finland
The Kaamos 132 lb of stone for rooms of 353–706 cu ft. Narvi lists this base among its optional accessories and its 18.9 x 19.7 in footprint sits well inside the base. See the full product and build your package →
Narvi Kuru Woodburning Sauna Heater From Finland
The Kuru 14 and Kuru 20. Narvi lists this base among the Kuru's optional accessories, and the Kuru's footprint, 16.5 in wide (14) or 18.1 in (20) by 18.7 in deep, sits inside the base with room to spare. See the full product and build your package →
Narvi 30 Wood-Burning Sauna Stove – 24 kW Finnish Heater
The Narvi 30 at 24 kW. Narvi lists this base among its optional accessories too, but check your measurements first: the Narvi 30's published depth is 26.4 in. against the base's 24.4 in.. See the full product and build your package →
What’s included
- One Narvi installation base, 21.7 x 24.4 in, black, with adjustable legs
What it does
Narvi’s description is plain: “With the aid of an installation base, the sauna heater can be installed in a sauna that has a wooden or paved floor. The height of all installation bases can be adjusted. In the case of slanted floors, the adjustable legs can be used to straighten the sauna heater. The installation bases have been made of rustproof steel.”
It measures 21.7 in. wide by 24.4 in. deep and the legs adjust between 2.8 and 3.7 in. That adjustment does real work: sauna floors slope to a drain, deck boards cup, slabs are rarely dead flat.
Narvi does not treat this as optional
The installation manuals for the NC, the Kuru, the Kaamos 20 and the Narvi 30 all carry the same rule:
- Concrete floor. The stove may sit directly on a concrete floor at least 2 in thick, unless underfloor heating cables or pipes run beneath it, in which case an installation base is required to shield them from the stove’s thermal radiation.
- Combustible or tiled floor, underfloor heating. “A Narvi installation base must be installed under the sauna heater, which will protect the floor, moisture barrier and underfloor heating pipes or cables from the thermal radiation of the sauna heater.”
- And the part people forget. “A piece of sheet metal must be installed in front of the installation base, which extends at least 3.9 in over the sides of the heater hatch and at least 15.7 in in front of the sauna heater. The sheet metal edges facing the sauna heater must be turned up, so that coal cannot get under the installation base.”
That sheet-metal apron is not part of this kit. Budget for it separately if your floor is combustible.
Check the footprint
The base top is 21.7 x 24.4 in (21.7 x 24.4 in.). Narvi’s published stove footprints, width by depth: NC 16 19.7 x 22.8 in, NC 20 21.3 x 22.8 in, NC 24 22.8 x 22.8 in, Kuru 14 16.5 x 18.7 in, Kuru 20 18.1 x 18.7 in, Kaamos 20 18.9 x 19.7 in, Narvi 30 21.1 x 26.4 in. The NC 16, the NC 20, both Kurus and the Kaamos 20 all sit inside this base. The NC 24 is wider than it and the Narvi 30 is deeper than it, so measure those two against the base before ordering that pairing.
When you may not need it
Read the rule the other way round: if your floor is non-combustible, concrete at least 2 in thick, and there is no underfloor heating running beneath the stove, Narvi permits the stove to sit directly on it. Going straight onto the floor also sits the stove a little lower.
Specifications
| Narvi part number | 155544 |
|---|---|
| UPC | 6417810028942 |
| Width | 21.7 in. |
| Depth | 24.4 in. |
| Height | 2.8–3.7 in., adjustable |
| Weight | 16.5 lb |
| Construction material | Rustproof steel |
| Finish | Black |
| Origin | Designed, engineered and made in Finland |
| Ships | Parcel |
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