{"product_id":"harvia-black-steel-chimney-extension-kit","title":"Harvia Black Steel Chimney Extension Kit","description":"\u003cp\u003eThe \u003cstrong\u003eHarvia WHP1000+500M\u003c\/strong\u003e package extends your Harvia modular steel chimney by \u003cstrong\u003e1.5 meters\u003c\/strong\u003e with two insulated, black powder-coated sections (1000 mm + 500 mm). Built for high-temperature performance and simple, secure assembly, these CE-marked modules help you achieve proper termination height and safe draft for wood-burning sauna stoves.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular black steel extensions:\u003c\/strong\u003e 1000 mm and 500 mm insulated sections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-temp insulation:\u003c\/strong\u003e Supports reduced clearances and steady draft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested \u0026amp; certified:\u003c\/strong\u003e CE-marked, soot-fire resistant, and freeze-thaw tested.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist-lock connection:\u003c\/strong\u003e Locking bands included for secure, tool-light assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVertical runs:\u003c\/strong\u003e Stackable design for additional height as needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem compatible:\u003c\/strong\u003e Fits Harvia modular steel chimney kits (e.g., WHP1500M) and Harvia wood stoves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinnish quality:\u003c\/strong\u003e Designed, engineered, and made in Finland.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRequired Components\u003c\/h2\u003e\n\u003cp\u003eThe following items are typically required for a complete installation (sold separately):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase chimney kit\u003c\/strong\u003e (e.g., Harvia WHP1500M) with start pipe and roof\/ceiling pass-through.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof flashing \/ rain flange\u003c\/strong\u003e appropriate to your roof pitch and material.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport brackets or guy wires\u003c\/strong\u003e if required by height\/exposure and local code.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Insulated chimney section \u003cstrong\u003e1000 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e1 × Insulated chimney section \u003cstrong\u003e500 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e2 × Locking bands\u003c\/li\u003e\n\u003cli\u003eInstallation \u0026amp; Operation Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWHP1000M + WHP500M (Extension Package)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTotal Extension Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1,500 mm (59″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSection Lengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1 × 1000 mm (39.4″), 1 × 500 mm (19.7″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial \/ Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eInsulated steel \/ Black powder-coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHarvia modular steel chimney system (e.g., WHP1500M kit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eInstallation Orientation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eVertical only; stackable with additional modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCertification \/ Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCE-marked • Made in Finland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background-color: #e6ffea; padding: 15px; border-radius: 8px; margin-top: 20px;\"\u003e\n\u003cstrong\u003ePro Tip:\u003c\/strong\u003e Follow the “3-2-10” chimney rule: the chimney top should be at least 3′ above the roof penetration and 2′ higher than any structure within 10′. Verify local code requirements and add additional Harvia extensions if extra height is needed to maintain proper draft.\u003c\/div\u003e","brand":"Your Spa Pool","offers":[{"title":"Default Title","offer_id":53834080780621,"sku":null,"price":997.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/1990\/9197\/files\/harvia-black-steel-chimney-extension-kit-parts.png?v=1777941670","url":"https:\/\/yourspapool.com\/products\/harvia-black-steel-chimney-extension-kit","provider":"Your Spa Pool","version":"1.0","type":"link"}