{"product_id":"harvia-ac3040-sauna-heater-stones","title":"Harvia AC3040 Vulcanite Sauna Heater Stones","description":"\u003ch5 data-section-id=\"19zqy0x\" data-start=\"62\" data-end=\"74\"\u003eFeatures\u003c\/h5\u003e\n\u003cp data-start=\"75\" data-end=\"408\"\u003e• Fine-grained dark grey vulcanite stone\u003cbr data-start=\"115\" data-end=\"118\"\u003e• Split-face design for heat retention and air circulation\u003cbr data-start=\"176\" data-end=\"179\"\u003e• Stone size: 2–4\" (5–10 cm)\u003cbr data-start=\"207\" data-end=\"210\"\u003e• Compatible with electric sauna heaters or wood-burning stove surfaces\u003cbr data-start=\"281\" data-end=\"284\"\u003e• High thermal conductivity and resistance to temperature fluctuations\u003cbr data-start=\"354\" data-end=\"357\"\u003e• Natural stones with unique shape and appearance\u003c\/p\u003e\n\u003ch5 data-section-id=\"1yl5694\" data-start=\"415\" data-end=\"433\"\u003eSpecifications\u003c\/h5\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"435\" data-end=\"667\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"435\" data-end=\"462\"\u003e\n\u003ctr data-start=\"435\" data-end=\"462\"\u003e\n\u003cth data-start=\"435\" data-end=\"451\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"451\" data-end=\"462\" data-col-size=\"sm\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"489\" data-end=\"667\"\u003e\n\u003ctr data-start=\"489\" data-end=\"508\"\u003e\n\u003ctd data-start=\"489\" data-end=\"498\" data-col-size=\"sm\"\u003eModel:\u003c\/td\u003e\n\u003ctd data-start=\"498\" data-end=\"508\" data-col-size=\"sm\"\u003eAC3040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"509\" data-end=\"542\"\u003e\n\u003ctd data-start=\"509\" data-end=\"521\" data-col-size=\"sm\"\u003eMaterial:\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"521\" data-end=\"542\"\u003eStone (Vulcanite)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"543\" data-end=\"575\"\u003e\n\u003ctd data-start=\"543\" data-end=\"557\" data-col-size=\"sm\"\u003eStone Size:\u003c\/td\u003e\n\u003ctd data-start=\"557\" data-end=\"575\" data-col-size=\"sm\"\u003e2–4\" (5–10 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"576\" data-end=\"612\"\u003e\n\u003ctd data-start=\"576\" data-end=\"585\" data-col-size=\"sm\"\u003eColor:\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"585\" data-end=\"612\"\u003eBlack (shines when wet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"613\" data-end=\"636\"\u003e\n\u003ctd data-start=\"613\" data-end=\"622\" data-col-size=\"sm\"\u003eShape:\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"622\" data-end=\"636\"\u003eSplit-Face\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"637\" data-end=\"667\"\u003e\n\u003ctd data-start=\"637\" data-end=\"647\" data-col-size=\"sm\"\u003eWeight:\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"647\" data-end=\"667\"\u003e44.1 lbs (20 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 data-section-id=\"3h1ku8\" data-start=\"674\" data-end=\"689\"\u003eDescription\u003c\/h5\u003e\n\u003cp data-start=\"690\" data-end=\"975\"\u003eThe Harvia AC3040 sauna heater stones are crafted from fine-grained vulcanite volcanic rock, naturally dark grey and turning black when wet. Each stone’s split-face design provides excellent heat storage, supporting efficient steam generation when water is poured over heated surfaces.\u003c\/p\u003e\n\u003cp data-start=\"977\" data-end=\"1278\"\u003eThese stones are engineered to withstand fluctuating temperatures, making them suitable for electric sauna heaters or as the surface layer on wood-burning sauna stoves. The split-face texture allows for proper stacking and air circulation, ensuring consistent heat distribution and rapid vaporization.\u003c\/p\u003e\n\u003cp data-start=\"1280\" data-end=\"1481\"\u003eEach stone is naturally unique in shape and size, allowing for a tailored fit and visual variety in sauna interiors. The AC3040 stones are clean, durable, and ready to use without additional treatment.\u003c\/p\u003e\n\u003ch5 data-section-id=\"14lzghq\" data-start=\"1488\" data-end=\"1507\"\u003eWhat’s Included\u003c\/h5\u003e\n\u003cp data-start=\"1508\" data-end=\"1565\"\u003e• 44 lb box of split-face sauna stones (2–4\" \/ 5–10 cm)\u003c\/p\u003e\n\u003ch5 data-section-id=\"1yfwvz5\" data-start=\"1572\" data-end=\"1598\"\u003eRequired for Operation\u003c\/h5\u003e\n\u003cp data-start=\"1599\" data-end=\"1653\"\u003e• Compatible sauna heater (electric or wood-burning)\u003c\/p\u003e\n\u003ch5 data-section-id=\"8q6zro\" data-start=\"1660\" data-end=\"1677\"\u003eDocumentation\u003c\/h5\u003e\n\u003ch3 data-start=\"1678\" data-end=\"1716\"\u003eManual links:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1678\" data-end=\"1716\"\u003e\n\u003ch3\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1XZzfRBGZUNgN7R275X9rk585W_pMpcv_\/view?usp=drive_link\" target=\"_blank\" title=\"Harvia Certification\" rel=\"noopener\"\u003eHarvia Certification\u003c\/a\u003e\u003c\/h3\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":52292304011551,"sku":"AC3040","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0931\/2177\/3855\/files\/Harvia-AC3040.jpg?v=1775255044","url":"https:\/\/recoverylux.com\/products\/harvia-ac3040-sauna-heater-stones","provider":"RecoveryLux","version":"1.0","type":"link"}