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Harvia M3
Out of stock
- ⚠️ Rocks sold separately. This heater requires 2 boxes of Harvia sauna stones (20 kg each) for proper performance and heat retention.
- 🔧 Chimney adapter required. A Harvia North American Chimney Adapter (4″ to 6″) must be ordered to meet North American safety standards. The adapter ensures your wood-burning stove connects securely to standard 6″ stove pipes.
- ❓ Need help choosing? Use our Sauna Calculator to find the right heater for your sauna size.