{"id":1411,"date":"2026-07-06T20:17:48","date_gmt":"2026-07-06T20:17:48","guid":{"rendered":"https:\/\/cedar-sense.com\/stage\/?post_type=product&#038;p=1411"},"modified":"2026-07-06T20:23:04","modified_gmt":"2026-07-06T20:23:04","slug":"huum-uku-ext-box","status":"publish","type":"product","link":"https:\/\/cedar-sense.com\/stage\/product\/huum-uku-ext-box\/","title":{"rendered":"HUUM UKU Ext Box | Extension Box for Heaters Over 12kW"},"content":{"rendered":"<h1 style=\"text-align: center;\">HUUM UKU Ext Box Description<\/h1>\n<p>For use with UKU Controls, the HUUM Extension Box is required for all HUUM sauna heaters over 12kW.<\/p>\n<hr \/>\n<h2 style=\"text-align: center;\">Features of HUUM UKU Ext Box<\/h2>\n<ul>\n<li>For use with UKU controls<\/li>\n<li>Required for all HUUM heaters over 12kW<\/li>\n<li>Light Grey<\/li>\n<li>Wall-mounted design<\/li>\n<li>Designed, engineered, and made in Estonia<\/li>\n<li>Dimensions:\u00a07&#8243; W (178mm) x 4&#8243; D (101mm) x 10&#8243; D (254mm)<\/li>\n<li>SGS Listed<\/li>\n<li>Limited 5-year warranty (excluding elements)<\/li>\n<\/ul>\n<hr \/>\n<h3 style=\"text-align: center;\">HUUM UKU Ext Box Includes<\/h3>\n<ul>\n<li>Extension box<\/li>\n<li>Installation and operation manual<\/li>\n<li>5-Year limited warranty<\/li>\n<\/ul>\n<hr \/>\n<h4 style=\"text-align: center;\">Specifications<\/h4>\n<table id=\"tablefield-paragraph-1144956-field_table-0\" class=\"tablefield table table-hover table-striped\" data-striping=\"1\">\n<thead>\n<tr>\n<th class=\"row_0 col_0\">Model<\/th>\n<th class=\"row_0 col_1\">UKU Ext Box<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"odd\">\n<td class=\"row_1 col_0\">Voltage<\/td>\n<td class=\"row_1 col_1\">240<\/td>\n<\/tr>\n<tr class=\"even\">\n<td class=\"row_2 col_0\">Circuit Breaker Amperage<\/td>\n<td class=\"row_2 col_1\">2 x 63<\/td>\n<\/tr>\n<tr class=\"odd\">\n<td class=\"row_3 col_0\">Weight<\/td>\n<td class=\"row_3 col_1\">3.25 lbs<\/td>\n<\/tr>\n<tr class=\"even\">\n<td class=\"row_4 col_0\">Width<\/td>\n<td class=\"row_4 col_1\">7&#8243; (178mm)<\/td>\n<\/tr>\n<tr class=\"odd\">\n<td class=\"row_5 col_0\">Depth<\/td>\n<td class=\"row_5 col_1\">4&#8243; (101mm)<\/td>\n<\/tr>\n<tr class=\"even\">\n<td class=\"row_6 col_0\">Height<\/td>\n<td class=\"row_6 col_1\">10&#8243; (254mm)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h4 style=\"text-align: center;\">Extension Boc Technicals<\/h4>\n<p style=\"text-align: center;\"><a href=\"https:\/\/cedar-sense.com\/stage\/wp-content\/uploads\/2024\/12\/UKU-Ext-Box-Manual-2022.pdf\"><span style=\"color: #3366ff;\">UKU Ext Box Manual<\/span> &#8211; <strong><span style=\"color: #ff0000;\">CLICK HERE<\/span><\/strong><\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/cedar-sense.com\/stage\/wp-content\/uploads\/2024\/12\/UKU-Warranty.pdf\"><span style=\"color: #3366ff;\">UKU Warranty<\/span> &#8211; <strong><span style=\"color: #ff0000;\">CLICK HERE<\/span><\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>HUUM UKU Ext Box Description For use with UKU Controls, the HUUM Extension Box is required for all HUUM sauna heaters over 12kW. Features of HUUM UKU Ext Box For use with UKU controls Required for all HUUM heaters over 12kW Light Grey Wall-mounted design Designed, engineered, and made in Estonia Dimensions:\u00a07&#8243; W (178mm) x [&hellip;]<\/p>\n","protected":false},"featured_media":2172,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[1293],"product_tag":[1294,1295,1296],"class_list":["post-1411","product","type-product","status-publish","has-post-thumbnail","product_cat-huum-heater-controls","product_tag-extension-box","product_tag-sauna-box-for-electric","product_tag-sauna-extension-box","product_shipping_class-906","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple","add-to-wishlist-after_add_to_cart"],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"exclude_global_add_ons":[],"addons":[],"acf":[],"jetpack_sharing_enabled":true,"tiered_pricing_type":"fixed","tiered_pricing_fixed_rules":[],"tiered_pricing_product_settings":{"layout":"default","base_unit_name":{"singular":null,"plural":null},"default_variation":null},"tiered_pricing_minimum_quantity":null,"tiered_pricing_roles_data":[],"tiered_pricing_percentage_rules":[],"_links":{"self":[{"href":"https:\/\/cedar-sense.com\/stage\/wp-json\/wp\/v2\/product\/1411","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cedar-sense.com\/stage\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cedar-sense.com\/stage\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cedar-sense.com\/stage\/wp-json\/wp\/v2\/comments?post=1411"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cedar-sense.com\/stage\/wp-json\/wp\/v2\/media\/2172"}],"wp:attachment":[{"href":"https:\/\/cedar-sense.com\/stage\/wp-json\/wp\/v2\/media?parent=1411"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cedar-sense.com\/stage\/wp-json\/wp\/v2\/product_brand?post=1411"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cedar-sense.com\/stage\/wp-json\/wp\/v2\/product_cat?post=1411"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cedar-sense.com\/stage\/wp-json\/wp\/v2\/product_tag?post=1411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}