{"product_id":"hekla-indoor-traditional-210x-sauna","title":"Hekla Indoor Traditional 210X Sauna — 4-5 Person Indoor Sauna","description":"\u003ch2\u003eHekla Indoor Traditional 210X — Real Finnish Sauna, 4-5 Person\u003c\/h2\u003e\n\u003cp\u003eThe 210X is the wider sibling of the Traditional 210 — same height and width but 40cm deeper, opening up the floor plan for 4-5 people instead of 3-4. The extra room makes a real difference for shared sessions: more bench length, more stretching space, easier to lie down. Same Hekla build quality, same UK manufacturer, same proper Finnish sauna ritual — just sized for family use.\u003c\/p\u003e\n\u003cp\u003eBuilt around a Harvia \"The Wall\" 9kW heater with stones included — the bigger heater needed for the larger volume — and 48mm thermo aspen walls that give Hekla its quality signature.\u003c\/p\u003e\n\n\u003ch3\u003eRunning cost + warm-up\u003c\/h3\u003e\n\u003cp\u003eThe Harvia 9kW heater pulls about 9 kWh peak — bigger sauna, bigger heater. Run cost at 30p\/kWh is typically \u003cstrong\u003e£2.50–£3.25 per 90-minute session\u003c\/strong\u003e. Warm-up from cold to working temperature (80–90°C) takes around \u003cstrong\u003e30–40 minutes\u003c\/strong\u003e. Once warmed, the larger 8.8m³ volume holds heat for longer between löyly throws — practical for sessions with more people getting in and out.\u003c\/p\u003e\n\n\u003ch3\u003eWhy the 210X over the 210\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e40cm deeper interior\u003c\/strong\u003e — 2,000mm vs 1,600mm. That's enough for a proper full-length recline.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-5 person capacity\u003c\/strong\u003e — fits couples + kids, or four adults for shared sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHarvia 9kW heater\u003c\/strong\u003e instead of 6kW — heat recovery between sessions is faster, important for multi-person use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e40-amp electrical supply\u003c\/strong\u003e — slightly more demanding than the 25-amp 210, but standard for sauna sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes Hekla Traditional different\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e48mm thermo aspen wood walls\u003c\/strong\u003e — aspen has the lowest thermal conductivity of any common sauna wood, so benches stay comfortable even at 90°C. Thermo treatment (heat + steam, no chemicals) stabilises the wood and makes it more durable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8mm grey safety glass\u003c\/strong\u003e on the door and window — proper safety spec, tempered for thermal shock.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHarvia \"The Wall\" 9kW heater with Xenio digital control\u003c\/strong\u003e — Harvia is the named gold standard in every Finnish sauna review. Stones included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChromotherapy LED lights\u003c\/strong\u003e + \u003cstrong\u003ebluetooth sound system\u003c\/strong\u003e built in.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in non-slip vinyl floor grid\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChoice of two finishes\u003c\/strong\u003e — Nero (dark, modern) or Scandi (lighter wood tone).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cp\u003eCabin (48mm thermo aspen), 8mm grey safety glass door + window, Harvia \"The Wall\" 9kW electric heater, Harvia stones, Xenio digital control unit, chromotherapy LED lights, bluetooth audio, ventilation valve, non-slip vinyl floor grid, instructions. Comes with UK warranty.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery \u0026amp; site preparation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard delivery:\u003c\/strong\u003e Free standard UK delivery is included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSite:\u003c\/strong\u003e Indoor saunas need a level floor with clear access from front door to final placement room. The 210X needs more floor space than the 210 — measure 2,100 × 2,000mm plus working clearance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e The Harvia 9kW heater needs a dedicated \u003cstrong\u003e40-amp single-phase circuit\u003c\/strong\u003e connected by a qualified electrician before first use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVentilation:\u003c\/strong\u003e Sauna ventilation valve included; ambient room ventilation (extractor) needs consideration for humidity management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Cabin assembly available — typically a full day for a 2-person team.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 4-5 person\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Indoor only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W × D × H):\u003c\/strong\u003e 2,100 × 2,000 × 2,100 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSauna volume:\u003c\/strong\u003e 8.8 m³\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWall thickness:\u003c\/strong\u003e 48mm thermo aspen wood\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoor + window:\u003c\/strong\u003e 8mm grey safety glass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeater:\u003c\/strong\u003e Harvia \"The Wall\" 9kW electric, Xenio control, stones included\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e 40A dedicated single-phase circuit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLighting:\u003c\/strong\u003e Chromotherapy LED\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio:\u003c\/strong\u003e Built-in bluetooth sound system\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour options:\u003c\/strong\u003e Nero or Scandi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Comes with UK warranty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hekla (Superior Wellness, UK)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e💡 \u003ca href=\"\/pages\/sauna-buying-guide-uk\"\u003eUK Sauna Buying Guide\u003c\/a\u003e | \u003ca href=\"\/blogs\/news\/infrared-vs-traditional-sauna-which-is-right-for-your-home\"\u003eInfrared vs Traditional comparison\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eWant a smaller indoor traditional? See the \u003ca href=\"\/products\/hekla-indoor-traditional-210-sauna\"\u003e210\u003c\/a\u003e (3-4 person). Want a larger one? See the \u003ca href=\"\/products\/hekla-indoor-traditional-220-sauna\"\u003e220\u003c\/a\u003e (6 person). Outdoor instead? See \u003ca href=\"\/collections\/outdoor-barrel-saunas\"\u003eOutdoor Barrel\u003c\/a\u003e or \u003ca href=\"\/collections\/outdoor-cube-saunas\"\u003eOutdoor Cube Saunas\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Hekla","offers":[{"title":"Default Title","offer_id":58162583142787,"sku":null,"price":4999.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/1187\/1619\/files\/210x200-copy.webp?v=1780307546","url":"https:\/\/www.steamandoak.co.uk\/products\/hekla-indoor-traditional-210x-sauna","provider":"Steam\u0026Oak","version":"1.0","type":"link"}