Barrel Saunas — Narvi Black Wood Burning Sauna Heater | 16, 20 & 24 Models

• Large fire grate for improved combustion efficiency
• Market-leading stone capacity for excellent löyly steam
• 10mm thick steel firebox built to last for generations
• Glass cast iron door lets firelight glow into the sauna
• Adjustable legs for straightforward installation
• Black 20 available with a 22L water tank and tunnel-fed option

• Durable enamel finish resists wear and stays easy to clean
• Reliable, continuous burning suited to regular sauna use
• Water tank option (Black 20) adds washing water after your session
• Tunnel-fed option keeps the sauna room free of loading and ash
• Covered by a 2-year private-use warranty

• Models: 16, 20, 20 VS, 24
• Sauna Capacity: 8-16 m³ (16), 10-20 m³ (20), 8-20 m³ (20 VS), 12-24 m³ (24)
• Height: 76 cm (all models)
• Width / Depth: 40 x 50 cm (16), 48 x 50 cm (20), 48 x 66 cm (20 VS), 55 x 50 cm (24)
• Heater Weight / Stone Capacity: 59kg/50kg (16), 65kg/60kg (20), 77kg/60kg (20 VS), 68kg/80kg (24)
• Water Storage: 22L (20 VS only)
• Flue Outer Diameter: 119 mm
• Firebox Thickness: 10 mm
• Safety Distances: 300 mm sides, 200 mm rear, 500 mm front, 1270 mm upwards (to combustible materials)
• Warranty: 2 years private use

Install with an appropriate flue kit (sold separately) following the safety distances above, then load with 50-80kg of 10-15 cm Olivine Diabase or Vulcanite sauna stones (sold separately) before lighting.

Barrel Saunas sources genuine Narvi wood burning heaters and backs every order with knowledgeable support, from choosing the right size to answering installation questions. We stand behind every product we sell.

Orders typically ship within 5 business days. For full details on delivery timelines, visit our Shipping & Delivery page. If your purchase isn't the right fit, review our Returns & Refund Policy for how to arrange a return or exchange.