{"product_id":"huum-uku-extension-box","title":"HUUM UKU Extension Box","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe HUUM UKU Extension Box expands the capacity of your UKU controller to operate high-amperage sauna heaters. Required for HUUM heaters 10.5kW and above, including the CLIFF 11, STEEL 11, HIVE 12, HIVE 15, and HIVE 18. Works with both UKU Wi-Fi and UKU Local controllers.\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e\u003cstrong\u003eWHY THIS PRODUCT\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eRequired for 10.5kW+ heaters\u003c\/strong\u003e — Extends UKU capacity beyond its standard 40A\/11kW limit\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHandles up to 18kW\u003c\/strong\u003e — Supports the full HUUM heater lineup including commercial units\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWorks with all UKU models\u003c\/strong\u003e — Compatible with UKU Local, UKU Wi-Fi, UKU Glass, and UKU Mirror\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eEstonian engineering\u003c\/strong\u003e — Designed and manufactured by HUUM to integrate seamlessly with their control system\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":47196648046746,"sku":"H2003012","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1536\/3994\/files\/seo2_a3b098d7-437b-4ddc-9eff-e5bb656a22cd.jpg?v=1770803580","url":"https:\/\/thesaunarepublic.com\/products\/huum-uku-extension-box","provider":"Sauna Republic","version":"1.0","type":"link"}