{"product_id":"huum-uku-extension-box-for-heaters-12kw","title":"HUUM UKU Extension Box for Heaters 12kW+","description":"\u003cp\u003eThe HUUM UKU Extension Box is required when pairing UKU controls with full-range heaters larger than 11kW (such as 12kW, 15kW, and 18kW models). It expands switching capacity and enables robust commercial operation.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7\"W x 7\"D x 6\"H (178 x 178 x 152 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.25 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e 240V \/ 2x63A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, SGS, IPX4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Limited 3-Year Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HUUM","offers":[{"title":"Default Title","offer_id":67551789383898,"sku":"H2003012","price":773.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9642\/5946\/files\/01_hero_f7b8b144-55f4-4ab5-b2ab-308648a045d0.png?v=1792082265","url":"https:\/\/epicsauna.com\/products\/huum-uku-extension-box-for-heaters-12kw","provider":"Epic Sauna","version":"1.0","type":"link"}