Harvia M3 wood-burning heaters
- 16.5 kW
- 2 models
- Residential
- Compact wood-burning heater for small saunas (6–13 m³), 16.5 kW published output, 30 kg stones.
- M3 SL is the through-the-wall version.
- Protective sheaths WL400 and WL450 are listed for M-series heaters.
Models
| Model | Product code | Output | Room volume | Stones | W × D × H |
|---|---|---|---|---|---|
| M3 | WKM3 | 16.5 kW | 6–13 m³ | 30 kg | 390 × 430 × 710 mm |
| M3 SL | WKM3SL | 16.5 kW | 6–13 m³ | 30 kg | 390 × 650 × 710 mm |
Harvia's published figures. Room volumes are a guide: glass, stone and other heavy or uninsulated surfaces need more output, and we size equipment for the actual room. Electrical supply, protection and installation in Australia are designed and carried out by a licensed electrician to the manufacturer's instructions.
Finishes
- Graphite black
Gallery
Documents
- Harvia Wood Burning Stoves Instructions for Installation and Use (multilingual incl. English) (PDF on Harvia's site, opens in a new tab)
- Harvia Wood Burning Stoves Additional Instructions (multilingual incl. English) (PDF on Harvia's site, opens in a new tab)
- Data sheet WKM3 (M3) (PDF on Harvia's site, opens in a new tab)
- Data sheet WKM3SL (M3 SL) (PDF on Harvia's site, opens in a new tab)
Product information and images from Harvia, last checked 4 October 2026. Harvia may change its range; we confirm current models, availability and pricing when you enquire.
Ask about this equipment.
Buying for a new room, replacing equipment or supplying it on its own: tell us about the space or the existing model. We will recommend what suits it, confirm whether it is in our Noosaville stock or needs to be ordered (by air or sea freight, depending on urgency and availability), and quote it. We are the Queensland agent for Harvia and also supply interstate.