{"product_id":"harvia-the-wall-sauna-heater-built-in-control","title":"Harvia The Wall Sauna Heater (Built-In Control)","description":"\u003cp\u003eThe \u003cstrong\u003eHarvia The Wall Electric Sauna Heater\u003c\/strong\u003e is Harvia's flat-faced, wall-mounted Finnish sauna heater with an integrated dial control and 1-hour programmable timer built into the heater body. Available in two kilowatt sizes (\u003cstrong\u003e6 kW, 8 kW\u003c\/strong\u003e) and two finishes (\u003cstrong\u003eStainless Steel\u003c\/strong\u003e or \u003cstrong\u003eBlack Steel\u003c\/strong\u003e), The Wall is engineered for compact residential installations where wall depth is at a premium and the customer wants the heater controls integrated into the unit, no external controller required.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePick the Right kW for Your Cabin\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEach Wall size is rated for a specific sauna cabin interior volume. Calculate your cabin volume as interior length × width × height. If the cabin includes a glass door or window, add roughly 25% to the calculated cubic footage to compensate for radiant heat loss.\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f4f1ee;\"\u003e\n\u003cth style=\"padding: 8px; text-align: left; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 8px; text-align: left; border: 1px solid #ddd;\"\u003eBest For\u003c\/th\u003e\n\u003cth style=\"padding: 8px; text-align: left; border: 1px solid #ddd;\"\u003eCabin Volume\u003c\/th\u003e\n\u003cth style=\"padding: 8px; text-align: left; border: 1px solid #ddd;\"\u003eAmperage\u003c\/th\u003e\n\u003cth style=\"padding: 8px; text-align: left; border: 1px solid #ddd;\"\u003eWire\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWall B 6 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eStandard residential 2–4 person sauna cabins\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e170–300 cu ft\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e25 Amps\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e10 Gauge Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWall B 8 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLarge residential \/ family-size sauna cabins (4+ person)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e250–425 cu ft\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e33 Amps\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e8 Gauge Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlat-faced wall-mounted design, saves wall depth in tight sauna footprints while delivering Finnish stone-bed löyly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated dial control\u003c\/strong\u003e with 1-hour programmable timer and 8-hour pre-set delay built directly into the heater, no external controller required.\u003c\/li\u003e\n\u003cli\u003eAvailable in two kilowatt sizes (6 \/ 8 kW) at 240V 1-Phase.\u003c\/li\u003e\n\u003cli\u003eTwo finishes: \u003cstrong\u003eStainless Steel (HSWS)\u003c\/strong\u003e for a clean modern look, or \u003cstrong\u003eBlack Steel (HSW)\u003c\/strong\u003e for a darker, more dramatic visual presence.\u003c\/li\u003e\n\u003cli\u003eCompact heater dimensions of \u003cstrong\u003e9\"D x 17\"W x 23\"H\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eGenerous open stone bed sized to hold one 44 lb (20 kg) box of AC3000 sauna stones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL Listed\u003c\/strong\u003e, meets U.S. safety standards for residential sauna heater installation.\u003c\/li\u003e\n\u003cli\u003eBacked by Harvia's 2-year residential limited warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEach kW size is offered in two package configurations. Pick the size first from the selector above, then pick the package from the dropdown on the product page.\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f4f1ee;\"\u003e\n\u003cth style=\"padding: 8px; text-align: left; border: 1px solid #ddd;\"\u003ePackage\u003c\/th\u003e\n\u003cth style=\"padding: 8px; text-align: left; border: 1px solid #ddd;\"\u003eIncludes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; vertical-align: top;\"\u003e\u003cstrong\u003eWall Just Heater\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; vertical-align: top;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003eHarvia The Wall heater body in the selected kW size (240V 1-Phase)\u003c\/li\u003e\n\u003cli\u003eBuilt-in dial control with 1-hour programmable timer + 8-hour pre-set delay\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; vertical-align: top;\"\u003e\u003cstrong\u003eWall With Stones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd; vertical-align: top;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003eHarvia The Wall heater body in the selected kW size (240V 1-Phase)\u003c\/li\u003e\n\u003cli\u003eBuilt-in dial control with 1-hour programmable timer + 8-hour pre-set delay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 × Harvia AC3000 Sauna Stones\u003c\/strong\u003e, olivine diabase, 5–10 cm, 20 kg (44 lb) box, sized for the Wall stone column\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eSauna Stones\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEvery \"Wall With Stones\" package ships with \u003cstrong\u003eone box of Harvia AC3000 standard sauna stones\u003c\/strong\u003e, olivine diabase, 5–10 cm size grade, 20 kg (44 lb) per box. AC3000 is the correct stone size for The Wall's stone column. The smaller 5–10 cm size grade packs more densely than the larger 10–15 cm AC3020 grade, giving you more thermal mass and more even löyly when water hits the stones. If you prefer to source stones locally, pick the \"Just Heater\" package; stones are sold separately.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Electrical Requirements\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEvery Wall requires a dedicated \u003cstrong\u003e240V 1-Phase\u003c\/strong\u003e circuit wired by a licensed electrician. Required amperage and wire gauge varies by kW, see the sizing table above. The Wall is UL Listed and must be installed per the included manual, local electrical code, and any applicable AHJ (authority having jurisdiction) inspection.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Manual\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Harvia The Wall Installation Manual\" href=\"https:\/\/drive.google.com\/file\/d\/18xmwdY7s99qgu0Gc3hcrQ8Du6snDAfrK\/view?usp=sharing\" target=\"_blank\"\u003eClick Here to Download the Harvia The Wall Installation Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAbout the Harvia The Wall Family\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHarvia The Wall is the company's flat-faced, wall-mounted electric sauna heater, engineered for compact installations where wall depth matters and the customer wants the controls integrated directly into the heater body (no external power unit). Available in two kilowatt sizes (6 kW, 8 kW) and two finishes (Stainless Steel or Black Steel), every Wall heater includes an \u003cstrong\u003eintegrated 1-hour programmable timer with 8-hour pre-set delay\u003c\/strong\u003e, the simplest, most reliable control setup for a residential Finnish sauna build.\u003c\/p\u003e\n\u003cp\u003eWant digital scheduling, WiFi\/MyHarvia app control, or remote start? See the \u003cstrong\u003eHarvia Spirit\u003c\/strong\u003e family page, it pairs with the external Xenio CX30 or next-generation Fenix FX30 control. The Wall shown here is the no-frills mechanical version.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Buy From Finnish Sauna Builders\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAs an authorized Harvia dealer, Finnish Sauna Builders sources every heater direct from Harvia US (Lewisburg, WV) with full factory warranty and dealer technical support. Our team works with you from heater sizing through installation. Free shipping on all Harvia heaters; white-glove install coordination available nationwide.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWarranty \u0026amp; Support\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHarvia The Wall carries Harvia's standard 2-year residential limited warranty. Finnish Sauna Builders handles all warranty claims direct, no third-party return desk.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAbout Harvia\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHarvia has been building world-class sauna heaters in Finland since 1950. Every Harvia product carries forward more than 70 years of Finnish craftsmanship, materials science, and a relentless focus on the perfect löyly, the heated, humid burst of steam released when water meets hot sauna stones.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eVideos\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/PGK7Xg7k59Y\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/p5S22TPCd_I\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Harvia","offers":[{"title":"6 kW (170–300 cu ft) \/ Wall Just Heater \/ Stainless Steel","offer_id":48346933264625,"sku":"14-HSWS6U1B","price":1548.0,"currency_code":"USD","in_stock":true},{"title":"6 kW (170–300 cu ft) \/ Wall With Stones \/ Stainless Steel","offer_id":48346933297393,"sku":"14-HSWS6U1B+STONES","price":1607.0,"currency_code":"USD","in_stock":true},{"title":"6 kW (170–300 cu ft) \/ Wall Just Heater \/ Black Steel","offer_id":48346933330161,"sku":"14-HSW6U1B","price":1620.0,"currency_code":"USD","in_stock":true},{"title":"6 kW (170–300 cu ft) \/ Wall With Stones \/ Black Steel","offer_id":48346933362929,"sku":"14-HSW6U1B+STONES","price":1679.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (250–425 cu ft) \/ Wall Just Heater \/ Stainless Steel","offer_id":48346933395697,"sku":"14-HSWS8U1B","price":1557.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (250–425 cu ft) \/ Wall With Stones \/ Stainless Steel","offer_id":48346933428465,"sku":"14-HSWS8U1B+STONES","price":1616.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (250–425 cu ft) \/ Wall Just Heater \/ Black Steel","offer_id":48346933461233,"sku":"14-HSW8U1B","price":1668.0,"currency_code":"USD","in_stock":true},{"title":"8 kW (250–425 cu ft) \/ Wall With Stones \/ Black Steel","offer_id":48346933494001,"sku":"14-HSW8U1B+STONES","price":1727.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/HarviaWall6KW00.webp?v=1783608898","url":"https:\/\/finnishsaunabuilders.com\/products\/harvia-the-wall-sauna-heater-built-in-control","provider":"Finnish Sauna Builders","version":"1.0","type":"link"}