{"product_id":"harvia-virta-hl90-9kw-sauna-heater","title":"Harvia Virta HL90 9KW Sauna Heater (177-494CF)","description":"\u003ch2\u003e\u003cstrong\u003eHarvia Virta 9 kW Electric Sauna Heater\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHarvia Virta 9 kW Electric Sauna Heater\u003c\/strong\u003e (HL9U1) is the 9-kilowatt variant of Harvia's classic rectangular sauna heater, brushed stainless steel housing, vertical stone bed, top-loaded. Pairs with the external \u003cstrong\u003eXenio CX45\u003c\/strong\u003e Xenio Smart Control power unit (bundled in Tier 2 and Tier 3) for digital scheduling, WiFi\/MyHarvia control, and remote start. Designed for large residential sauna cabins (4–5 person bench) from \u003cstrong\u003e177 to 494 cubic feet\u003c\/strong\u003e; available in 240V 1-Phase service.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCapable of heating sauna rooms from \u003cstrong\u003e177 to 494 cubic feet\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003ePowerful \u003cstrong\u003e9 kW and 37.5 Amps\u003c\/strong\u003e on a 240V 1-Phase circuit.\u003c\/li\u003e\n  \u003cli\u003eRequires \u003cstrong\u003e8 Gauge Copper\u003c\/strong\u003e for installation.\u003c\/li\u003e\n  \u003cli\u003ePairs with the \u003cstrong\u003eHarvia Xenio CX45 Smart Control\u003c\/strong\u003e (Tier 2+), WiFi-enabled, MyHarvia app compatible.\u003c\/li\u003e\n  \u003cli\u003eBrushed stainless steel housing with vertical stone bed across the front; top-loaded.\u003c\/li\u003e\n  \u003cli\u003eRequires \u003cstrong\u003e3 × boxes of AC3020 sauna stones\u003c\/strong\u003e (10–15 cm olivine diabase, 20 kg \/ 44 lb per box). Bundled in Tier 2+.\u003c\/li\u003e\n  \u003cli\u003eOptional Fenix touchscreen display (FX004XW) at Tier 3.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL Listed\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eDetail\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRoom Volume\u003c\/td\u003e\n      \u003ctd\u003e177 to 494 cubic feet\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDimensions\u003c\/td\u003e\n      \u003ctd\u003e14.5\" W × 12.5\" D × 24.5\" H\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePower\u003c\/td\u003e\n      \u003ctd\u003e9 kW, 37.5 Amps\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVoltage Options\u003c\/td\u003e\n      \u003ctd\u003e240V 1-Phase, 60 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWire Size\u003c\/td\u003e\n      \u003ctd\u003e8 Gauge Copper\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMounting\u003c\/td\u003e\n      \u003ctd\u003eFloor- or wall-stand mounted (external Xenio CX control)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eControl\u003c\/td\u003e\n      \u003ctd\u003eHarvia Xenio CX45 (Tier 2+); optional Fenix FX004XW touchscreen upgrade (Tier 3)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSauna Rocks\u003c\/td\u003e\n      \u003ctd\u003e3 × AC3020 (10–15 cm, 20 kg \/ 44 lb per box), included with Tier 2+\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCertification\u003c\/td\u003e\n      \u003ctd\u003eUL Listed\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHarvia Model Code\u003c\/td\u003e\n      \u003ctd\u003eHL9U1\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003e\u003cstrong\u003eWhy the 9 kW Size\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Virta 9 kW is rated for sauna cabins between 318 and 530 cubic feet, best for large residential sauna cabins (4–5 person bench). For smaller cabins step down to the Virta 6 or 8 kW; for the largest installations step up to the Virta 10.5 kW.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eXenio CX + Fenix Upgrade, What's the Difference?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eTier 2 (\"Virta Heater + Control + Stones\") bundles the \u003cstrong\u003eHarvia Xenio CX\u003c\/strong\u003e Smart Control power unit (auto-matched to kW: CX30 for the 6 kW Virta, CX45 for the 8 \/ 9 \/ 10.5 kW Virta). The Xenio CX ships with WiFi built in and connects to the MyHarvia smartphone app for remote start and scheduling.\u003c\/p\u003e\n\u003cp\u003eTier 3 (\"Virta Heater + Control + Stones + Fenix Upgrade\") adds the \u003cstrong\u003eHarvia Fenix FX004XW Touchscreen Display\u003c\/strong\u003e on top of the Xenio CX, Harvia's next-generation control UI, for the longest-runway platform investment as Harvia eventually transitions from the Xenio control panel to the Fenix touchscreen across the product line.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eSauna Stones\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eEvery \"Heater + Control + Stones\" package (and the Fenix Upgrade tier) ships with the correct quantity of \u003cstrong\u003eHarvia AC3020 sauna stones\u003c\/strong\u003e, olivine diabase, 10–15 cm size grade, 20 kg (44 lb) per box. The larger 10–15 cm grade is preferred for Virta because the heater's tall vertical stone bed packs more efficiently with bigger stones, and the larger thermal mass holds heat longer through repeated water throws. Stone quantity by kW: 3 boxes (6 \/ 8 \/ 9 kW), 4 boxes (10.5 kW).\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eInstallation \u0026amp; Electrical Requirements\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Virta 9 kW requires a dedicated \u003cstrong\u003e240V 1-Phase\u003c\/strong\u003e circuit (37.5 Amps, 8 Gauge Copper) wired by a licensed electrician. Virta is UL Listed and must be installed per the included manual.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eInstallation Manual\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/HL_USA_ENFR_Y05-0767_260923.pdf?v=1783436356\" title=\"Harvia Virta Installation Manual\" rel=\"noopener\" target=\"_blank\"\u003eClick Here to Download the Harvia Virta Installation Manual\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eIn the Box\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Harvia HL9U1 Virta Electric Sauna Heater body\u003c\/li\u003e\n  \u003cli\u003eInstallation and Operation Manual\u003c\/li\u003e\n  \u003cli\u003eWarranty Information\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e\u003cstrong\u003eAbout the Harvia Virta Family\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eHarvia Virta is the company's classic rectangular electric sauna heater, brushed stainless steel housing, vertical stone bed across the front, top-loaded, designed to mount on either the floor or a heater-rated stand along the cabin wall. The Virta delivers Harvia's signature soft, even löyly across a wide range of cabin volumes from 200 cu ft up to roughly 650 cu ft on the 10.5 kW residential variant.\u003c\/p\u003e\n\u003cp\u003eEvery Virta requires an external Harvia \u003cstrong\u003eXenio Smart Control\u003c\/strong\u003e power unit (CX30 for 6 kW; CX45 for 8 \/ 9 \/ 10.5 kW), the controller ships separately and mounts outside the sauna cabin. The optional \u003cstrong\u003eFenix Upgrade\u003c\/strong\u003e swaps the Xenio's standard control panel for Harvia's next-generation FX004XW touchscreen.\u003c\/p\u003e\n\u003cp\u003eFor commercial-grade output beyond 10.5 kW, see the Virta Pro 16 kW (HL16U1) and 20 kW (HL20U3) sibling line, sold separately.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eWhy Buy From Finnish Sauna Builders\u003c\/strong\u003e\u003c\/h2\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. Free shipping on all Harvia heaters; white-glove install coordination available nationwide.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eWarranty \u0026amp; Support\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eHarvia Virta 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\n\u003ch2\u003e\u003cstrong\u003eAbout Harvia\u003c\/strong\u003e\u003c\/h2\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\n\u003ch2\u003e\u003cstrong\u003eVideos\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/PGK7Xg7k59Y\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/p5S22TPCd_I\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n","brand":"Harvia","offers":[{"title":"Virta Just Heater \/ 240V 1-Phase","offer_id":48380031828209,"sku":"14-HL9U1","price":2143.0,"currency_code":"USD","in_stock":true},{"title":"Virta Heater + Control + Stones \/ 240V 1-Phase","offer_id":48380031860977,"sku":"14-HL9U1+CX+STONES","price":3621.0,"currency_code":"USD","in_stock":true},{"title":"Virta Heater + Control + Stones + Fenix Upgrade \/ 240V 1-Phase","offer_id":48380031893745,"sku":"14-HL9U1+CX+STONES+FX004","price":4287.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/HarviaVirta9KW00.webp?v=1783441250","url":"https:\/\/finnishsaunabuilders.com\/products\/harvia-virta-hl90-9kw-sauna-heater","provider":"Finnish Sauna Builders","version":"1.0","type":"link"}