{"product_id":"huum-core-bk-st","title":"HUUM CORE BK\/ST","description":"\u003cp\u003eThe HUUM CORE BK\/ST is a HUUM electric sauna heater made in Estonia, 6.5 kW, about 177–566 cu ft. CORE is the 6.5 kW cube you can recess into a bench. BK\/ST body — wrap the shields in tile, stone, glass, or wood (HUUM). Side panel weight limit applies.. UKU runs it. Same 6.5 kW family across the finishes we list.\u003c\/p\u003e\u003ch3\u003eHow it heats\u003c\/h3\u003e\u003cp\u003eElectric elements inside a stone cage. You need a HUUM UKU (or compatible) control — there are no dials on the heater. Round stones are what HUUM recommends. Licensed electrician, heat-resistant cable, no guessed breaker size from us. Glass and masonry: add equivalent volume when you size kW.\u003c\/p\u003e\u003ch3\u003eWhat’s included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHUUM CORE BK\/ST heater\u003c\/li\u003e\n\u003cli\u003eStones sold separately (HUUM is explicit: stones, UKU, and power cable are not in the heater box)\u003c\/li\u003e\n\u003cli\u003eUKU control sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HUUM (Estonia)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 6.5 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. room volume:\u003c\/strong\u003e 177–566 cu ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Floor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e UKU (sold separately unless this is a UKU package)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone load (manufacturer):\u003c\/strong\u003e about 88 lb \/ 40 kg, 2–4 in (CORE)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/huumsauna.com\/wp-content\/uploads\/2025\/11\/H1013L12_v9_CORE_user-manual_US_2025_PRINT.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHUUM CORE install and operation manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eSizing\u003c\/h3\u003e\u003cp\u003eMatch heater kW to insulated interior volume. Glass, stone, tile, or thin walls need more heater than a tight wood room of the same size. A licensed electrician completes the hookup from the nameplate — we do not guess breaker size. Email hello@selfcaresaunas.com to size the room first.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eAre stones included?\u003c\/strong\u003e\u003cbr\u003eHeater-only SKUs: no. STU packages: stones are part of the STU name; still confirm the carton with our team.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs UKU included?\u003c\/strong\u003e\u003cbr\u003eHeater-only: no. Packages whose options list UKU Local \/ UKU Wi-Fi: yes, that control finish is the option you pick.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e240V?\u003c\/strong\u003e\u003cbr\u003eHUUM US heaters are typically 240V hardwired. Electrician uses the HUUM table in the manual. We do not invent amps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWall or floor?\u003c\/strong\u003e\u003cbr\u003eFloor\u003c\/p\u003e\u003cp\u003eQuestions? Email hello@selfcaresaunas.com.\u003c\/p\u003e","brand":"HUUM","offers":[{"title":"HEATER, CORE UNFINISHED, BK TOP COVER, 6.5KW","offer_id":44075408228411,"sku":null,"price":1880.0,"currency_code":"USD","in_stock":true},{"title":"HEATER, CORE UNFINISHED, SS TOP COVER, 6.5KW","offer_id":44075408261179,"sku":null,"price":1880.0,"currency_code":"USD","in_stock":true},{"title":"HEATER, CORE UNFINISHED, BK TOP COVER, 9.0KW","offer_id":44075408293947,"sku":null,"price":2000.0,"currency_code":"USD","in_stock":true},{"title":"HEATER, CORE UNFINISHED, SS TOP COVER, 9.0KW","offer_id":44075408326715,"sku":null,"price":2000.0,"currency_code":"USD","in_stock":true},{"title":"HEATER, CORE UNFINISHED, BK TOP COVER, 10.5KW","offer_id":44075408359483,"sku":null,"price":2135.0,"currency_code":"USD","in_stock":true},{"title":"HEATER, CORE UNFINISHED, SS TOP COVER, 10.5KW","offer_id":44075408392251,"sku":null,"price":2135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/3279\/0075\/files\/core-elektrikeris_64998ea5-5f68-4f8d-9fef-7eff2acdde5e.png?v=1788024987","url":"https:\/\/selfcaresaunas.com\/products\/huum-core-bk-st","provider":"Self Care Saunas","version":"1.0","type":"link"}