Sauneco
Ignis S-40 Internal Hot Tub Wood Stove 40kW
Ignis S-40 Internal Hot Tub Wood Stove 40kW
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Heat your hot tub efficiently and reliably with the Ignis S-40 internal woodburning stove — a 40kW seawater-resistant heater built from high-quality marine aluminium for superior heat conduction and a long service life. Suitable for hot tubs up to 200cm (6.56ft), it sits under the water and circulates heat through a dedicated channel, giving you fast, even warmth for genuine year-round outdoor bathing.
- 40kW seawater-resistant aluminium heater (Ignis S-40)
- Up to 30% more efficient than stainless steel stoves
- 3mm-thick aluminium — twice the thickness of standard stainless steel furnaces
- High-quality MIG-welded seams, individually tested for impermeability
- Includes 2m stainless steel chimney and stove lid
- Model: Ignis-S40
- Type: Wood-fired, internal
- Material: Marine-grade aluminium
- Dimensions: 300mm (W) x 900mm (H) x 770mm (L)
- Lower Part Height: 600mm
- Weight: 29kg
- Chimney: 2000mm stainless steel
- Suitable for hot tubs up to 200cm diameter
- 1 x Ignis S-40 internal hot tub stove
- 2m stainless steel chimney
- Stove lid
Never start heating before the hot tub is filled with water. The stove must be approximately 75% submerged before lighting, or the unit will be damaged.
Genuine Sauneco aluminium stoves hold their shape far longer than thin stainless steel alternatives, delivering better efficiency and a longer usable life. Every unit is welded and pressure-tested for reliability — backed by our quality guarantee.