{"id":976,"date":"2025-08-05T15:46:27","date_gmt":"2025-08-05T13:46:27","guid":{"rendered":"https:\/\/thermolife.pl\/en\/bez-kategorii\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\/"},"modified":"2026-01-14T10:12:52","modified_gmt":"2026-01-14T09:12:52","slug":"wireless-board-for-controlling-underfloor-heating","status":"publish","type":"product","link":"https:\/\/thermolife.pl\/en\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/wireless-board-for-controlling-underfloor-heating\/","title":{"rendered":"Wireless board for controlling underfloor heating"},"content":{"rendered":"<p>LLM-21 is a radio board designed to control heating in surface heating systems (8 independent zones). Temperature  controllers are connected to the board wirelessly. The actuators are connected by cable. In addition to regulating the  temperature in rooms, LLM-21 also allows you to control the  circulation pump and heating device.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LLM-21 is a radio board designed to control heating in surface heating systems (8 independent zones). Temperature controllers are connected to the board wirelessly. The actuators are connected by cable. In addition to regulating the temperature in rooms, LLM-21 also allows you to control the circulation pump and heating device.<\/p>\n","protected":false},"featured_media":1400,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product_brand":[],"product_cat":[32,38,18,170,173,19,39],"product_tag":[],"class_list":["post-976","product","type-product","status-publish","has-post-thumbnail","product_cat-heating","product_cat-internet-control","product_cat-smart-home","product_cat-system-exta-life","product_cat-system-exta-life-internetowe","product_cat-underfloor-heating","product_cat-wireless","first","instock","product-type-simple","entry","content-bg","loop-entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Wireless board for controlling underfloor heating - Zamel<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wireless board for controlling underfloor heating - Zamel\" \/>\n<meta property=\"og:description\" content=\"LLM-21 is a radio board designed to control heating in surface heating systems (8 independent zones). Temperature controllers are connected to the board wirelessly. The actuators are connected by cable. In addition to regulating the temperature in rooms, LLM-21 also allows you to control the circulation pump and heating device.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/thermolife.pl\/en\/product\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\/\" \/>\n<meta property=\"og:site_name\" content=\"Zamel\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-14T09:12:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thermolife.pl\/en\/wp-content\/uploads\/2025\/08\/LLM-21-7.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/product\\\/underfloor-heating\\\/internet-control\\\/system-exta-life-internetowe\\\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\\\/\",\"url\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/product\\\/underfloor-heating\\\/internet-control\\\/system-exta-life-internetowe\\\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\\\/\",\"name\":\"Wireless board for controlling underfloor heating - Zamel\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/product\\\/underfloor-heating\\\/internet-control\\\/system-exta-life-internetowe\\\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/product\\\/underfloor-heating\\\/internet-control\\\/system-exta-life-internetowe\\\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/LLM-21-7.jpg\",\"datePublished\":\"2025-08-05T13:46:27+00:00\",\"dateModified\":\"2026-01-14T09:12:52+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/product\\\/underfloor-heating\\\/internet-control\\\/system-exta-life-internetowe\\\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\\\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/thermolife.pl\\\/en\\\/product\\\/underfloor-heating\\\/internet-control\\\/system-exta-life-internetowe\\\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/product\\\/underfloor-heating\\\/internet-control\\\/system-exta-life-internetowe\\\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\\\/#primaryimage\",\"url\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/LLM-21-7.jpg\",\"contentUrl\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/LLM-21-7.jpg\",\"width\":1200,\"height\":1200},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/product\\\/underfloor-heating\\\/internet-control\\\/system-exta-life-internetowe\\\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products\",\"item\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/products\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Underfloor heating control\",\"item\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/underfloor-heating\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Internet control\",\"item\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/underfloor-heating\\\/internet-control\\\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"System - EXTA Life\",\"item\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/underfloor-heating\\\/internet-control\\\/system-exta-life-internetowe\\\/\"},{\"@type\":\"ListItem\",\"position\":6,\"name\":\"Wireless board for controlling underfloor heating\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/\",\"name\":\"Zamel\",\"description\":\"Systemy sterowania ogrzewaniem\",\"publisher\":{\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/#organization\",\"name\":\"Zamel\",\"url\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/logo.svg\",\"contentUrl\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/logo.svg\",\"caption\":\"Zamel\"},\"image\":{\"@id\":\"https:\\\/\\\/thermolife.pl\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Wireless board for controlling underfloor heating - Zamel","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"pl_PL","og_type":"article","og_title":"Wireless board for controlling underfloor heating - Zamel","og_description":"LLM-21 is a radio board designed to control heating in surface heating systems (8 independent zones). Temperature controllers are connected to the board wirelessly. The actuators are connected by cable. In addition to regulating the temperature in rooms, LLM-21 also allows you to control the circulation pump and heating device.","og_url":"https:\/\/thermolife.pl\/en\/product\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\/","og_site_name":"Zamel","article_modified_time":"2026-01-14T09:12:52+00:00","og_image":[{"width":1200,"height":1200,"url":"https:\/\/thermolife.pl\/en\/wp-content\/uploads\/2025\/08\/LLM-21-7.jpg","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_misc":{"Szacowany czas czytania":"1 minuta"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/thermolife.pl\/en\/product\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\/","url":"https:\/\/thermolife.pl\/en\/product\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\/","name":"Wireless board for controlling underfloor heating - Zamel","isPartOf":{"@id":"https:\/\/thermolife.pl\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/thermolife.pl\/en\/product\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\/#primaryimage"},"image":{"@id":"https:\/\/thermolife.pl\/en\/product\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\/#primaryimage"},"thumbnailUrl":"https:\/\/thermolife.pl\/en\/wp-content\/uploads\/2025\/08\/LLM-21-7.jpg","datePublished":"2025-08-05T13:46:27+00:00","dateModified":"2026-01-14T09:12:52+00:00","breadcrumb":{"@id":"https:\/\/thermolife.pl\/en\/product\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\/#breadcrumb"},"inLanguage":"pl-PL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/thermolife.pl\/en\/product\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\/"]}]},{"@type":"ImageObject","inLanguage":"pl-PL","@id":"https:\/\/thermolife.pl\/en\/product\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\/#primaryimage","url":"https:\/\/thermolife.pl\/en\/wp-content\/uploads\/2025\/08\/LLM-21-7.jpg","contentUrl":"https:\/\/thermolife.pl\/en\/wp-content\/uploads\/2025\/08\/LLM-21-7.jpg","width":1200,"height":1200},{"@type":"BreadcrumbList","@id":"https:\/\/thermolife.pl\/en\/product\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/bezprzewodowa-listwa-do-sterowania-ogrzewaniem-podlogowym\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/thermolife.pl\/en\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/thermolife.pl\/en\/products\/"},{"@type":"ListItem","position":3,"name":"Underfloor heating control","item":"https:\/\/thermolife.pl\/en\/underfloor-heating\/"},{"@type":"ListItem","position":4,"name":"Internet control","item":"https:\/\/thermolife.pl\/en\/underfloor-heating\/internet-control\/"},{"@type":"ListItem","position":5,"name":"System - EXTA Life","item":"https:\/\/thermolife.pl\/en\/underfloor-heating\/internet-control\/system-exta-life-internetowe\/"},{"@type":"ListItem","position":6,"name":"Wireless board for controlling underfloor heating"}]},{"@type":"WebSite","@id":"https:\/\/thermolife.pl\/en\/#website","url":"https:\/\/thermolife.pl\/en\/","name":"Zamel","description":"Systemy sterowania ogrzewaniem","publisher":{"@id":"https:\/\/thermolife.pl\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/thermolife.pl\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pl-PL"},{"@type":"Organization","@id":"https:\/\/thermolife.pl\/en\/#organization","name":"Zamel","url":"https:\/\/thermolife.pl\/en\/","logo":{"@type":"ImageObject","inLanguage":"pl-PL","@id":"https:\/\/thermolife.pl\/en\/#\/schema\/logo\/image\/","url":"https:\/\/thermolife.pl\/en\/wp-content\/uploads\/2025\/07\/logo.svg","contentUrl":"https:\/\/thermolife.pl\/en\/wp-content\/uploads\/2025\/07\/logo.svg","caption":"Zamel"},"image":{"@id":"https:\/\/thermolife.pl\/en\/#\/schema\/logo\/image\/"}}]}},"taxonomy_info":{"product_cat":[{"value":32,"label":"Heating"},{"value":38,"label":"Internet control"},{"value":18,"label":"Smart Home control"},{"value":170,"label":"System - EXTA Life"},{"value":173,"label":"System - EXTA Life"},{"value":19,"label":"Underfloor heating control"},{"value":39,"label":"Wireless"}]},"featured_image_src_large":["https:\/\/thermolife.pl\/en\/wp-content\/uploads\/2025\/08\/LLM-21-7-1024x1024.jpg",1024,1024,true],"author_info":[],"comment_info":0,"_links":{"self":[{"href":"https:\/\/thermolife.pl\/en\/wp-json\/wp\/v2\/product\/976","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thermolife.pl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/thermolife.pl\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/thermolife.pl\/en\/wp-json\/wp\/v2\/comments?post=976"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/thermolife.pl\/en\/wp-json\/wp\/v2\/media\/1400"}],"wp:attachment":[{"href":"https:\/\/thermolife.pl\/en\/wp-json\/wp\/v2\/media?parent=976"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/thermolife.pl\/en\/wp-json\/wp\/v2\/product_brand?post=976"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/thermolife.pl\/en\/wp-json\/wp\/v2\/product_cat?post=976"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/thermolife.pl\/en\/wp-json\/wp\/v2\/product_tag?post=976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}