{"product_id":"finnmark-fd-4-trinity-infrared-and-traditional-2-person-hybrid-sauna","title":"Finnmark FD-4 Trinity Infrared and Traditional 2-Person Hybrid Sauna","description":"\u003c!-- ============================================================\n     Finnmark Designs FD-4 Trinity Infra-Steam Sauna\n     Shopify Product Description, Mediriser style.\n     H3 headings = auto tabs.\n     ============================================================ --\u003e\n\u003cstyle\u003e\n  .sl { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #1a2a3a; max-width: 900px; margin: 0 auto; line-height: 1.6; }\n  .sl * { box-sizing: border-box; }\n\n  .sl h4 { font-weight: 700 !important; color: #0f172a !important; margin: 1.5rem 0 0.5rem; line-height: 1.3; }\n  .sl h5 { font-weight: 700 !important; color: #0f172a !important; margin: 0 0 0.5rem; line-height: 1.3; }\n\n  .sl-hook { font-weight: 500 !important; line-height: 1.75 !important; color: #0f172a !important; 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}\n    .sl-feat-grid { grid-template-columns: 1fr; gap: 8px; }\n    .sl-feat { padding: 0.8rem 0.9rem; }\n    .sl-inc-grid { grid-template-columns: 1fr; }\n\n    .sl-spec-grid { gap: 1.25rem; }\n    .sl-spec-table, .sl-spec-table tbody, .sl-spec-table tr, .sl-spec-table td { display: block; width: 100%; }\n    .sl-spec-table { border: none; }\n    .sl-spec-table tr { border: 1px solid #e2e8f0; border-radius: 6px; margin-bottom: 6px; padding: 8px 12px; background: #fff !important; }\n    .sl-spec-table tr:nth-child(odd) { background: #f8fafc !important; }\n    .sl-spec-table td { border: none; padding: 1px 0; }\n    .sl-spec-table td:first-child { font-size: 10px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: #64748b; width: 100%; padding-bottom: 2px; }\n    .sl-spec-table td:last-child { font-size: 15px; font-weight: 700 !important; color: #0f172a !important; width: 100%; word-wrap: break-word; overflow-wrap: break-word; }\n\n    .sl-divider { margin: 1.25rem 0; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"sl\"\u003e\n\u003c!-- VIDEOS (3 columns, YouTube embeds) --\u003e\n\u003cdiv class=\"sl-videos\"\u003e\n\u003cdiv class=\"sl-video\"\u003e\n\u003cdiv class=\"sl-video-wrap\"\u003e\u003ciframe title=\"Finnmark Designs Full Spectrum Infrared Saunas\" loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/tvfntv5Ebes\"\u003e\n        \u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-video\"\u003e\n\u003cdiv class=\"sl-video-wrap\"\u003e\u003ciframe title=\"Finnmark Designs Thermal Wood Introduction\" loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/hxhdwwLVIyI\"\u003e\n        \u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-video\"\u003e\n\u003cdiv class=\"sl-video-wrap\"\u003e\u003ciframe title=\"Finnmark FD-4 Trinity Infra-Steam Sauna\" loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/xSRFOsRgpcU\"\u003e\n        \u003c\/iframe\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- INTRO --\u003e\n\u003cdiv class=\"sl-desc\"\u003e\n\u003ch2 class=\"h2title\"\u003eFinnmark FD-4 Trinity 2-Person Hybrid Indoor Infrared \u0026amp; Traditional Steam Sauna\u003c\/h2\u003e\n\u003cp\u003eThe Finnmark FD-4 Trinity is the only home sauna engineered to deliver three distinct heat therapies in a single cabin. Combine traditional Finnish steam, full spectrum infrared, and gentle wood-heat sessions, all controlled from one app, all built into one premium thermal wood structure. It's the most versatile sauna Finnmark makes, and one of the few in the entire residential category that genuinely earns the \"infra-steam\" label.\u003c\/p\u003e\n\u003ch4\u003eThree therapies, one cabin\u003c\/h4\u003e\n\u003cp\u003eMost home saunas force you to pick one heat type. The FD-4 lets you switch between full spectrum infrared (near, mid, far) and traditional Harvia steam in the same session, or combine them for the full Trinity experience. Infrared penetrates deep into muscle and joint tissue. Steam opens airways and pulls heat to the skin's surface. Together they deliver something neither does alone, and the cabin handles both without compromise.\u003c\/p\u003e\n\u003ch4\u003ePremium thermal wood, engineered for steam\u003c\/h4\u003e\n\u003cp\u003eThe cabin is built from premium thermal wood, a heat-treated softwood that resists moisture and won't warp under repeated heat-and-humidity cycles. Thermal modification removes resin from the wood, keeping the interior clean and inert at peak temperature. Critically for a steam-capable sauna, every joint and panel is engineered to handle the moisture loads that destroy traditional infrared cabins.\u003c\/p\u003e\n\u003ch4\u003eHarvia Vega heater plus full spectrum panels\u003c\/h4\u003e\n\u003cp\u003eThe traditional steam side runs on a Harvia Vega electric heater with sauna stones, the gold standard for residential Finnish-style löyly. The infrared side uses Finnmark's full spectrum heater panels with low-EMF technology. Both systems are wired to the V2 Wi-Fi controller, so you can start any session from your phone, schedule programs, and adjust temperature without leaving the bench.\u003c\/p\u003e\n\u003ch4\u003eCertified, documented, and ready out of the box\u003c\/h4\u003e\n\u003cp\u003eThe FD-4 ships with full UL listing on heating elements, ETL certification on the complete sauna system, and third-party EMF test logs you can review yourself. Finnmark publishes the documentation rather than just claiming the certifications, so you see the actual numbers, not just marketing language.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- HOOK SUMMARY --\u003e\n\u003cdiv class=\"sl-hook\"\u003eThe only home sauna that combines full spectrum infrared with traditional Harvia steam in a single Trinity cabin. Premium thermal wood construction, low-EMF heaters, V2 Wi-Fi controls, and full UL\/ETL\/EMF documentation come standard. Built for serious wellness users who want every modality without compromise.\u003c\/div\u003e\n\u003cdiv class=\"sl-badges\"\u003e\n\u003cspan class=\"sl-badge\"\u003e3-in-1 Infra-Steam sauna\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eFull spectrum infrared\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eHarvia Vega steam heater\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eLow-EMF technology\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003ePremium thermal wood\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eV2 Wi-Fi controller\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eUL listed \u0026amp; ETL certified\u003c\/span\u003e \u003cspan class=\"sl-badge\"\u003eAuthorized Finnmark dealer\u003c\/span\u003e\n\u003c\/div\u003e\n\u003chr class=\"sl-divider\"\u003e\n\u003c!-- SPECIFICATIONS --\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"sl-spec-grid\"\u003e\n\u003c!-- LEFT: spec tables --\u003e\n\u003cdiv class=\"sl-spec-tables\"\u003e\n\u003cdiv class=\"sl-spec-block\"\u003e\n\u003ch4\u003eDimensions \u0026amp; capacity\u003c\/h4\u003e\n\u003ctable class=\"sl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal dimensions\u003c\/td\u003e\n\u003ctd\u003e50\" W × 50\" D × 75\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal dimensions\u003c\/td\u003e\n\u003ctd\u003e47.2\" W × 47.2\" D × 71.7\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e2 persons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSauna type\u003c\/td\u003e\n\u003ctd\u003eInfra-Steam combination (Trinity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-spec-block\"\u003e\n\u003ch4\u003eConstruction \u0026amp; materials\u003c\/h4\u003e\n\u003ctable class=\"sl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCabin material\u003c\/td\u003e\n\u003ctd\u003ePremium thermal wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass\u003c\/td\u003e\n\u003ctd\u003eTempered safety glass door \u0026amp; window\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloor\u003c\/td\u003e\n\u003ctd\u003eReversible thermal wood floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eSteam-rated joints and panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-spec-block\"\u003e\n\u003ch4\u003eInfrared system\u003c\/h4\u003e\n\u003ctable class=\"sl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInfrared type\u003c\/td\u003e\n\u003ctd\u003eFull spectrum (near, mid, far)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater panels\u003c\/td\u003e\n\u003ctd\u003eMultiple full-coverage panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax temperature\u003c\/td\u003e\n\u003ctd\u003e170°F (77°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEMF rating\u003c\/td\u003e\n\u003ctd\u003eLow-EMF (third-party tested)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-spec-block\"\u003e\n\u003ch4\u003eSteam (traditional) system\u003c\/h4\u003e\n\u003ctable class=\"sl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater\u003c\/td\u003e\n\u003ctd\u003eHarvia Vega electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater type\u003c\/td\u003e\n\u003ctd\u003eCompact wall-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSauna stones\u003c\/td\u003e\n\u003ctd\u003eIncluded (Harvia)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStyle\u003c\/td\u003e\n\u003ctd\u003eTraditional Finnish löyly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-spec-block\"\u003e\n\u003ch4\u003eElectrical \u0026amp; controls\u003c\/h4\u003e\n\u003ctable class=\"sl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e240V (dedicated circuit required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController\u003c\/td\u003e\n\u003ctd\u003eV2 Wi-Fi enabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApp control\u003c\/td\u003e\n\u003ctd\u003eYes (iOS \u0026amp; Android)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Bluetooth speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLighting\u003c\/td\u003e\n\u003ctd\u003eInterior LED lighting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-spec-block\"\u003e\n\u003ch4\u003eCertifications\u003c\/h4\u003e\n\u003ctable class=\"sl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUL Listing\u003c\/td\u003e\n\u003ctd\u003eYes (sheathed heating elements)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eETL Certification\u003c\/td\u003e\n\u003ctd\u003eYes (Intertek infrared sauna safety)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEMF Test Log\u003c\/td\u003e\n\u003ctd\u003eAvailable (PR108242)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinnmark Certification\u003c\/td\u003e\n\u003ctd\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- RIGHT: dimensions image --\u003e\n\u003cdiv class=\"sl-spec-image\"\u003e\u003cimg alt=\"Finnmark FD-4 Trinity sauna dimensions diagram\" src=\"https:\/\/mediriser.com\/cdn\/shop\/files\/finnmark_fd-4.webp?v=1777891479\u0026amp;width=800\" class=\"sl-dim-img\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"sl-divider\"\u003e\n\u003c!-- INCLUDED --\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cdiv class=\"sl-inc-grid\"\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eFD-4 Trinity cabin (premium thermal wood)\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eFull spectrum infrared heater panels\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eHarvia Vega electric sauna heater\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eHarvia sauna stones\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eTempered glass door with handle\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eV2 Wi-Fi-enabled control system\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eInterior bench seating\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eReversible thermal wood floor\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eBuilt-in Bluetooth speakers\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eInterior LED lighting\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003ePower supply \u0026amp; wiring kit\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eInstallation hardware\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eTrinity installation manual\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eWi-Fi controller manual\u003c\/div\u003e\n\u003cdiv class=\"sl-inc-item\"\u003eHarvia heater manual\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"sl-divider\"\u003e\n\u003c!-- WHY FD-4 --\u003e\n\u003ch3\u003eWhy the Finnmark FD-4 Trinity stands out\u003c\/h3\u003e\n\u003cdiv class=\"sl-feat-grid\"\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003e3-in-1 Trinity sauna\u003c\/div\u003e\n\u003cp\u003eFull spectrum infrared and traditional Harvia steam in one cabin. Use either separately, or combine them for the complete Trinity experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003eFull spectrum infrared\u003c\/div\u003e\n\u003cp\u003eNear, mid, and far infrared in one integrated system. Each wavelength reaches a different depth, giving you the full range of benefits per session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003eHarvia Vega heater\u003c\/div\u003e\n\u003cp\u003eTraditional Finnish löyly powered by the Harvia Vega, the gold standard for residential steam saunas. Sauna stones included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003eLow-EMF technology\u003c\/div\u003e\n\u003cp\u003eHeaters and controllers engineered to minimize electromagnetic field exposure. Independent third-party EMF test logs included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003ePremium thermal wood\u003c\/div\u003e\n\u003cp\u003eHeat-treated, moisture-resistant, and resin-free. Engineered specifically to handle the humidity loads from steam sessions without warping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-feat\"\u003e\n\u003cdiv class=\"sl-feat-title\"\u003eV2 Wi-Fi smart controller\u003c\/div\u003e\n\u003cp\u003eControl infrared, steam, lighting, and audio from your phone. Schedule programs, monitor temperature, and adjust without leaving the bench.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"sl-divider\"\u003e\n\u003c!-- ABOUT FINNMARK --\u003e\n\u003ch3\u003eAbout Finnmark Designs\u003c\/h3\u003e\n\u003cdiv class=\"sl-brand1\"\u003e\n\u003cimg alt=\"Finnmark FD-4 Trinity Infra-Steam sauna interior\" src=\"https:\/\/mediriser.com\/cdn\/shop\/files\/trinity-4x4-home-infrared-sauna-kit-7-500x500.jpg?v=1777891054\u0026amp;width=800\" class=\"sl-brand-img\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"sl-brand-tag\"\u003eClinical-grade home wellness\u003c\/span\u003e\n\u003ch4\u003eThe most versatile sauna Finnmark makes\u003c\/h4\u003e\n\u003cp\u003eThe FD-4 Trinity is the flagship of the Finnmark lineup, the only model that combines full spectrum infrared with a Harvia Vega traditional steam heater in a single cabin. It's built for serious wellness users who want access to every heat modality without buying multiple saunas or compromising on the quality of either system.\u003c\/p\u003e\n\u003cul class=\"sl-check\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-in-1 Infra-Steam\u003c\/strong\u003e, infrared, steam, or both at once\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull spectrum infrared\u003c\/strong\u003e, near, mid, and far in one cabin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarvia Vega steam heater\u003c\/strong\u003e, with stones and traditional löyly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-EMF technology\u003c\/strong\u003e, third-party tested with published logs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL listed \u0026amp; ETL certified\u003c\/strong\u003e, full safety documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sl-brand2\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"sl-brand-tag\"\u003eAbout Finnmark Designs\u003c\/span\u003e\n\u003ch4\u003eBuilt for the home, engineered for performance\u003c\/h4\u003e\n\u003cp\u003eFinnmark designs every product around three priorities: heat that works at therapeutic levels, materials that last decades of daily use, and certifications that prove what's claimed. The FD-4 is the most ambitious expression of that philosophy, combining two heat technologies that normally require two separate saunas into a single cabin engineered to handle both.\u003c\/p\u003e\n\u003cp\u003eFrom the V2 Wi-Fi controller to the third-party-tested low-EMF heaters and the published EMF test logs, Finnmark stands behind every detail with documentation. It's the rare wellness product that gives you the actual data, not just the marketing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg alt=\"Finnmark FD-4 Trinity sauna exterior\" src=\"https:\/\/mediriser.com\/cdn\/shop\/files\/fd-4-combination-sauna-3-500x500.jpg?v=1777891055\u0026amp;width=800\" class=\"sl-brand-img\"\u003e\n\u003c\/div\u003e\n\u003chr class=\"sl-divider\"\u003e\n\u003c!-- MANUALS --\u003e\n\u003ch3\u003eManuals \u0026amp; Documents\u003c\/h3\u003e\n\u003cdiv class=\"sl-manual\"\u003e\n\u003ch5\u003eEverything you need before and after installation\u003c\/h5\u003e\n\u003cp\u003eDownload the full Finnmark Designs documentation set below. Trinity Installation \u0026amp; Operation Manual is the most important, review it before delivery so you know what to expect on installation day. Note that a licensed electrician is required for the heater installation, and the Harvia Vega heater has its own installation manual included.\u003c\/p\u003e\n\u003ch6\u003eInstallation \u0026amp; Operation Manuals\u003c\/h6\u003e\n\u003cdiv class=\"sl-doc-links\"\u003e\n\u003ca href=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2023-12\/FinnMark-Trinity-IOM-2023.pdf\" class=\"sl-doc-link\" target=\"_blank\"\u003e \u003csvg stroke-width=\"2\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"14\" width=\"14\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Trinity Installation \u0026amp; Operation Manual (PDF) \u003c\/a\u003e \u003ca href=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2025-07\/Finnmark-Designs-V2-WIFI-Controller-Manual-Updated-2024-V2.9%20%282%29.pdf\" class=\"sl-doc-link\" target=\"_blank\"\u003e \u003csvg stroke-width=\"2\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"14\" width=\"14\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e V2 Wi-Fi Controller Manual (PDF) \u003c\/a\u003e \u003ca href=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2025-09\/Harvia-Vega-Compact-Sauna-Heater-IOM.pdf\" class=\"sl-doc-link\" target=\"_blank\"\u003e \u003csvg stroke-width=\"2\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"14\" width=\"14\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Harvia Vega Heater Manual (PDF) \u003c\/a\u003e \u003ca href=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2022-06\/Harvia%20Sauna%20Stones%20Update%206-22.pdf\" class=\"sl-doc-link\" target=\"_blank\"\u003e \u003csvg stroke-width=\"2\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"14\" width=\"14\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Harvia Suitable Sauna Stones (PDF) \u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch6\u003eTest Logs \u0026amp; Certifications\u003c\/h6\u003e\n\u003cdiv class=\"sl-doc-links\"\u003e\n\u003ca href=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2023-08\/PR108242_EMF-Test-Log-Finnmark-Designs.pdf\" class=\"sl-doc-link\" target=\"_blank\"\u003e \u003csvg stroke-width=\"2\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"14\" width=\"14\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e EMF Test Log (PDF) \u003c\/a\u003e \u003ca href=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2025-03\/finnmark-designs-intertek-ETL-infrared-sauna-safety-certificate.pdf\" class=\"sl-doc-link\" target=\"_blank\"\u003e \u003csvg stroke-width=\"2\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"14\" width=\"14\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e ETL Certificate (PDF) \u003c\/a\u003e \u003ca href=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2023-10\/Finnmark%20Certification.pdf\" class=\"sl-doc-link\" target=\"_blank\"\u003e \u003csvg stroke-width=\"2\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"14\" width=\"14\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Finnmark Certification (PDF) \u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch6\u003eWarranty\u003c\/h6\u003e\n\u003cdiv class=\"sl-doc-links\"\u003e\u003ca href=\"https:\/\/prod.cms.bathingbrands.com\/sites\/default\/files\/2023-08\/Finnmark-designs-Infrared-Sauna-Warranty.pdf\" class=\"sl-doc-link\" target=\"_blank\"\u003e \u003csvg stroke-width=\"2\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" height=\"14\" width=\"14\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Warranty Document (PDF) \u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- WARRANTY --\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cdiv class=\"sl-warranty\"\u003e\n\u003ch5\u003eFinnmark Designs Limited Lifetime Warranty\u003c\/h5\u003e\n\u003cp\u003eEvery Finnmark FD-4 Trinity is backed by Finnmark's \u003cstrong\u003elimited lifetime warranty\u003c\/strong\u003e on the cabin's structural integrity for residential use. Heaters, electrical components, and electronics (including the V2 Wi-Fi controller and the Harvia Vega heater) are covered under their respective manufacturer warranty terms. All warranty claims go directly through Finnmark Designs with full factory support, and we are an authorized Finnmark Designs dealer. See the official warranty document above for full terms, exclusions, and claim procedures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Finnmark","offers":[{"title":"Default Title","offer_id":52162526445850,"sku":"TRINITY-4X4","price":7795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/1690\/0634\/files\/trinity-4x4-home-infrared-sauna-kit-3-500x500.jpg?v=1777891054","url":"https:\/\/mediriser.com\/products\/finnmark-fd-4-trinity-infrared-and-traditional-2-person-hybrid-sauna","provider":"Mediriser","version":"1.0","type":"link"}