{"id":2249,"date":"2025-05-30T09:12:39","date_gmt":"2025-05-30T09:12:39","guid":{"rendered":"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/"},"modified":"2025-09-12T11:17:15","modified_gmt":"2025-09-12T11:17:15","slug":"kotel-wally-67-s","status":"publish","type":"product","link":"https:\/\/kretz.cz\/en\/product\/kotel-wally-67-s\/","title":{"rendered":"Boiler WALLY 67S (30-67kW)"},"content":{"rendered":"
\n

<\/p><\/div>The largest model in the range, WALLY 67 S, delivers 30 kW (biomass), 67 kW (coal), and 49 kW (wood), making it ideal for commercial use or large family homes. With 80% efficiency and capacity for logs up to 860 mm, it offers exceptional performance. The 66-liter water heat exchanger and compatibility with closed circuits allow integration into more complex heating systems. Measuring 1016\u00d7597\u00d71270 and weighing 474 kg, it requires professional installation but guarantees maximum durability. A flue diameter of 147 mm ensures compatibility with most chimneys.<\/p>","protected":false},"excerpt":{"rendered":"

The most powerful model, WALLY 67 S (30-67 kW), with 80% efficiency. Accommodates logs up to 860 mm, water volume 66 liters, suitable for closed heating systems.<\/p>","protected":false},"featured_media":2231,"template":"","meta":[],"product_brand":[100],"product_cat":[332],"product_tag":[],"class_list":{"0":"post-2249","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-kretz","7":"product_cat-litinove-kotle-drevo-uhli-kox","8":"pa_hmotnost-474-kg","9":"pa_maximalni-mozna-delka-dreva-860-mm","10":"pa_objem-vody-66-dm3","11":"pa_prumer-odkoureni-147-mm","12":"pa_vyska-sirka-hloubka-1016-597-1270","13":"pa_vyska-vystupu-spalin-329","14":"description-off","16":"first","17":"instock","18":"product-type-simple"},"yoast_head":"\nKotel WALLY 67S (30-67kW) - KRETZ.cz - krby a krbov\u00e1 kamna<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kotel WALLY 67S (30-67kW) - KRETZ.cz - krby a krbov\u00e1 kamna\" \/>\n<meta property=\"og:description\" content=\"Nejv\u00fdkonn\u011bj\u0161\u00ed model WALLY 67 S (30-67 kW) s \u00fa\u010dinnost\u00ed 80%. Pojme pol\u00ednka a\u017e 860 mm, objem vody 66 dm\u00b3, vhodn\u00fd pro uzav\u0159en\u00e9 topn\u00e9 syst\u00e9my.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kretz.cz\/en\/product\/kotel-wally-67-s\/\" \/>\n<meta property=\"og:site_name\" content=\"KRETZ.cz - krby a krbov\u00e1 kamna\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/krbykretz\/\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-12T11:17:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kretz.cz\/wp-content\/uploads\/2025\/05\/KRETZ-kotel-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2188\" \/>\n\t<meta property=\"og:image:height\" content=\"2188\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/\",\"url\":\"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/\",\"name\":\"Kotel WALLY 67S (30-67kW) - KRETZ.cz - krby a krbov\u00e1 kamna\",\"isPartOf\":{\"@id\":\"https:\/\/kretz.cz\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/kretz.cz\/wp-content\/uploads\/2025\/05\/KRETZ-kotel-1.jpg\",\"datePublished\":\"2025-05-30T09:12:39+00:00\",\"dateModified\":\"2025-09-12T11:17:15+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/#primaryimage\",\"url\":\"https:\/\/kretz.cz\/wp-content\/uploads\/2025\/05\/KRETZ-kotel-1.jpg\",\"contentUrl\":\"https:\/\/kretz.cz\/wp-content\/uploads\/2025\/05\/KRETZ-kotel-1.jpg\",\"width\":2188,\"height\":2188},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\u016f\",\"item\":\"https:\/\/kretz.cz\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Template – Sidebar – Archive pages\",\"item\":\"https:\/\/kretz.cz\/template-sidebar-archive-pages\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Kotel WALLY 67S (30-67kW)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/kretz.cz\/#website\",\"url\":\"https:\/\/kretz.cz\/\",\"name\":\"KRETZ.cz - krby a krbov\u00e1 kamna\",\"description\":\"Jsme \u010desk\u00e1 spole\u010dnost p\u016fsob\u00edc\u00ed v oblasti v\u00fdroby a stroj\u00edrenstv\u00ed. Specializujeme se na v\u00fdrobu krbov\u00fdch vlo\u017eek a topen\u00e1\u0159sk\u00e9 techniky, z\u00e1rove\u0148 nab\u00edz\u00edme zak\u00e1zkovou stroj\u00edrenskou v\u00fdrobu. Realizujeme tak\u00e9 stavebn\u00ed projekty v\u010detn\u011b kovov\u00fdch konstrukc\u00ed. Na\u0161\u00ed p\u0159ednost\u00ed je kvalita, spolehlivost a individu\u00e1ln\u00ed p\u0159\u00edstup ke ka\u017ed\u00e9mu z\u00e1kazn\u00edkovi.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/kretz.cz\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Kotel WALLY 67S (30-67kW) - KRETZ.cz - krby a krbov\u00e1 kamna","robots":{"index":"noindex","follow":"follow"},"og_locale":"en_US","og_type":"article","og_title":"Kotel WALLY 67S (30-67kW) - KRETZ.cz - krby a krbov\u00e1 kamna","og_description":"Nejv\u00fdkonn\u011bj\u0161\u00ed model WALLY 67 S (30-67 kW) s \u00fa\u010dinnost\u00ed 80%. Pojme pol\u00ednka a\u017e 860 mm, objem vody 66 dm\u00b3, vhodn\u00fd pro uzav\u0159en\u00e9 topn\u00e9 syst\u00e9my.","og_url":"https:\/\/kretz.cz\/en\/product\/kotel-wally-67-s\/","og_site_name":"KRETZ.cz - krby a krbov\u00e1 kamna","article_publisher":"https:\/\/www.facebook.com\/krbykretz\/","article_modified_time":"2025-09-12T11:17:15+00:00","og_image":[{"width":2188,"height":2188,"url":"https:\/\/kretz.cz\/wp-content\/uploads\/2025\/05\/KRETZ-kotel-1.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/","url":"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/","name":"Kotel WALLY 67S (30-67kW) - KRETZ.cz - krby a krbov\u00e1 kamna","isPartOf":{"@id":"https:\/\/kretz.cz\/#website"},"primaryImageOfPage":{"@id":"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/#primaryimage"},"image":{"@id":"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/#primaryimage"},"thumbnailUrl":"https:\/\/kretz.cz\/wp-content\/uploads\/2025\/05\/KRETZ-kotel-1.jpg","datePublished":"2025-05-30T09:12:39+00:00","dateModified":"2025-09-12T11:17:15+00:00","breadcrumb":{"@id":"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/#primaryimage","url":"https:\/\/kretz.cz\/wp-content\/uploads\/2025\/05\/KRETZ-kotel-1.jpg","contentUrl":"https:\/\/kretz.cz\/wp-content\/uploads\/2025\/05\/KRETZ-kotel-1.jpg","width":2188,"height":2188},{"@type":"BreadcrumbList","@id":"https:\/\/kretz.cz\/produkt\/kotel-wally-67-s\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom\u016f","item":"https:\/\/kretz.cz\/"},{"@type":"ListItem","position":2,"name":"Template – Sidebar – Archive pages","item":"https:\/\/kretz.cz\/template-sidebar-archive-pages\/"},{"@type":"ListItem","position":3,"name":"Kotel WALLY 67S (30-67kW)"}]},{"@type":"WebSite","@id":"https:\/\/kretz.cz\/#website","url":"https:\/\/kretz.cz\/","name":"KRETZ.cz - krby a krbov\u00e1 kamna","description":"Jsme \u010desk\u00e1 spole\u010dnost p\u016fsob\u00edc\u00ed v oblasti v\u00fdroby a stroj\u00edrenstv\u00ed. Specializujeme se na v\u00fdrobu krbov\u00fdch vlo\u017eek a topen\u00e1\u0159sk\u00e9 techniky, z\u00e1rove\u0148 nab\u00edz\u00edme zak\u00e1zkovou stroj\u00edrenskou v\u00fdrobu. Realizujeme tak\u00e9 stavebn\u00ed projekty v\u010detn\u011b kovov\u00fdch konstrukc\u00ed. Na\u0161\u00ed p\u0159ednost\u00ed je kvalita, spolehlivost a individu\u00e1ln\u00ed p\u0159\u00edstup ke ka\u017ed\u00e9mu z\u00e1kazn\u00edkovi.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/kretz.cz\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/kretz.cz\/en\/wp-json\/wp\/v2\/product\/2249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kretz.cz\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/kretz.cz\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kretz.cz\/en\/wp-json\/wp\/v2\/media\/2231"}],"wp:attachment":[{"href":"https:\/\/kretz.cz\/en\/wp-json\/wp\/v2\/media?parent=2249"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/kretz.cz\/en\/wp-json\/wp\/v2\/product_brand?post=2249"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/kretz.cz\/en\/wp-json\/wp\/v2\/product_cat?post=2249"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/kretz.cz\/en\/wp-json\/wp\/v2\/product_tag?post=2249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}