{"product_id":"wellis-serenis-hemlock-finnish-sauna","title":"Wellis Serenis Hemlock Finnish Sauna — 4-person Family | TwoRelax","description":"\u003cp\u003eThe \u003cstrong\u003eWellis Serenis\u003c\/strong\u003e is the largest of our Finnish saunas — designed for 4 people, ideal for families or regular sauna evenings with friends. The \u003cstrong\u003e4.5 kW heater\u003c\/strong\u003e with lava rocks delivers classic Finnish Aufguss heat; the 8 mm glass front opens the space to daylight; the Canadian hemlock interior maintains a comfortable microclimate even during long sessions.\u003c\/p\u003e\n\u003cp\u003eIncludes the complete Aufguss kit: thermo-hygrometer, sand timer, wooden bucket and ladle.\u003c\/p\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpacious Finnish family sauna for 4 persons\u003c\/li\u003e\n\u003cli\u003e4.5 kW heater for traditional Aufguss\u003c\/li\u003e\n\u003cli\u003eLava rocks included\u003c\/li\u003e\n\u003cli\u003e8 mm tinted safety glass door \u0026amp; side panels\u003c\/li\u003e\n\u003cli\u003eHeat-resistant interior luminaire with wood panel\u003c\/li\u003e\n\u003cli\u003eCombined thermo-hygrometer\u003c\/li\u003e\n\u003cli\u003eWooden bucket and ladle included\u003c\/li\u003e\n\u003cli\u003eSand timer included\u003c\/li\u003e\n\u003cli\u003eBuilt-in ventilation\u003c\/li\u003e\n\u003cli\u003eCanadian hemlock pine interior\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWS00176\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFinnish sauna (Aufguss)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 persons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W × D × H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 × 180 × 210 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeater output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230 V (4.5 kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterior wood\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCanadian hemlock pine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGlass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 mm tinted safety glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHungary (EU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eService \u0026amp; warranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFree curbside delivery to Germany \u0026amp; Austria\u003c\/li\u003e\n\u003cli\u003eWellis manufacturer warranty\u003c\/li\u003e\n\u003cli\u003ePersonal WhatsApp support from TwoRelax\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003eIs the Serenis suitable for indoor installation?\u003c\/dt\u003e\n\u003cdd\u003eYes — it is designed for indoor use in dry rooms with adequate ventilation. The sauna door is constructed with safety-tempered glass.\u003c\/dd\u003e\n\u003cdt\u003eWhat temperature does a Finnish sauna reach?\u003c\/dt\u003e\n\u003cdd\u003eTypically 70–100 °C with low humidity. You can add water to the heated stones for sporadic steam bursts — the classic löyly experience.\u003c\/dd\u003e\n\u003cdt\u003eWhat wood is used in the interior?\u003c\/dt\u003e\n\u003cdd\u003ePremium-grade Canadian hemlock — a knot-free, splinter-free softwood that resists warping and retains a stable surface temperature in heat.\u003c\/dd\u003e\n\u003cdt\u003eWhat power supply does it need?\u003c\/dt\u003e\n\u003cdd\u003eThe Finnish heater requires a 400 V \/ 16 A three-phase connection. Professional electrical installation is required.\u003c\/dd\u003e\n\u003cdt\u003eHow long does it take to heat up?\u003c\/dt\u003e\n\u003cdd\u003eApproximately 30–45 minutes to reach optimal sauna temperature, depending on ambient room temperature.\u003c\/dd\u003e\n\u003cdt\u003eWhat maintenance is required?\u003c\/dt\u003e\n\u003cdd\u003eWipe down the benches and walls after each use. Annual inspection of the heater and stones is recommended.\u003c\/dd\u003e\n\u003cdt\u003eIs the sauna covered by warranty?\u003c\/dt\u003e\n\u003cdd\u003eYes — Wellis manufacturer warranty applies. TwoRelax coordinates any service or warranty claims directly with the Wellis service team.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eWhy buy from TwoRelax\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAuthorised Wellis dealer for Germany and Austria\u003c\/li\u003e\n\u003cli\u003eFree curbside delivery across DE and AT\u003c\/li\u003e\n\u003cli\u003eWhite-glove delivery and placement available on request\u003c\/li\u003e\n\u003cli\u003eDirect coordination with the Wellis manufacturer service team for any technical questions or repairs\u003c\/li\u003e\n\u003cli\u003ePersonal WhatsApp support before and after purchase\u003c\/li\u003e\n\u003cli\u003eEU manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eRelated reading\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/en\/blogs\/news\/hydrotherapy-at-home-what-the-research-says-and-how-to-apply-it-with-an-outdoor-hot-tub\"\u003eHydrotherapy at Home: What the Research Says\u003c\/a\u003e — how hot water and jets help recovery, sleep, and stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/en\/blogs\/news\/how-to-find-the-best-hot-tub-dealer-in-germany-7-questions-to-ask-before-you-buy\"\u003e7 Questions to Ask Before You Buy a Hot Tub in Germany\u003c\/a\u003e — what to look for in a dealer.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/en\/blogs\/news\/tworelax-germanys-authorized-wellis-dealer-who-we-are-and-why-it-matters\"\u003eWhy Buy from an Authorised Wellis Dealer\u003c\/a\u003e — what TwoRelax does differently.\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Wellis","offers":[{"title":"Default Title","offer_id":57381061132670,"sku":"WS00176","price":4266.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/8828\/5822\/files\/serenis-szauna.jpg?v=1778188831","url":"https:\/\/tworelax.com\/en\/products\/wellis-serenis-hemlock-finnish-sauna","provider":"TwoRelax","version":"1.0","type":"link"}