{"id":2452,"date":"2026-02-20T14:12:47","date_gmt":"2026-02-20T14:12:47","guid":{"rendered":"https:\/\/quadromag.eu\/?post_type=avada_portfolio&p=2452"},"modified":"2026-02-24T19:19:41","modified_gmt":"2026-02-24T19:19:41","slug":"antifreeze-valve-for-heat-pumps","status":"publish","type":"avada_portfolio","link":"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/","title":{"rendered":"Antifreeze valve for heat pumps"},"content":{"rendered":"

<\/a><\/span><\/div>
\"\"<\/a><\/div><\/div><\/div>
\"\"<\/a><\/div><\/div><\/div>
\"\"<\/a><\/div><\/div><\/div><\/div>
<\/i><\/div>
<\/i><\/div><\/div><\/div><\/div><\/div>

Antifreeze valve for heat pumps<\/h1><\/div>

The 1″ (DN 25) anti-freeze brass valve protects the system circuit against freezing. When the temperature in the system reaches an average value of 3 \u00b0C, the medium flows out of the system through this valve, thus protecting the distribution and equipment against ice formation in the system, i.e. against its damage. Ideal in front of the monoblock thermal (2 pcs).<\/p>\n<\/div><\/div><\/div>

\"5<\/span><\/div><\/div><\/div><\/div>

Technical specifications:<\/strong><\/p>\n<\/div>

\n\n\n\n\n\n\n\n
Max. operating pressure:<\/td>\n10 bar<\/td>\n<\/tr>\n
Material:<\/td>\nDZR brass<\/td>\n<\/tr>\n
Operating temperature range:<\/td>\n0\u00f765 \u00b0C<\/td>\n<\/tr>\n
Ambient temperature range:<\/td>\n-30\u00f760 \u00b0C<\/td>\n<\/tr>\n
Opening temperature:<\/td>\n3 \u00b0C<\/td>\n<\/tr>\n
Closing temperature:<\/td>\n4 \u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/div><\/div>
\n\tWhy Quadromag?<\/a>\n<\/div><\/div><\/div><\/div><\/div>

Why is it important to have quadromag included in the system?<\/h2><\/div><\/div><\/div>

Why should we include QUADROMAG \u2013 magnetic dirt separator \u2013 in our system?
\nIs it worth investing?
\nQUADROMAG magnetic separators are installed in all boiler installations to protect your new equipment as well as the entire system.<\/p>\n

Many of us have this device installed on the advice of an installer, but few of us know why such a device is actually needed and what it actually does to the system.
\nToday, the manufacturer\u2019s warranty for any boiler is conditional on proper use and protection of the appliance, which requires the QUADROMAG filter.<\/p>\n

The first step is to install a mechanical dirt filter and a magnetic filter on the return line before the boiler, which is especially important in the case of condensing boilers installed on an existing radiator system, but also with underfloor heating. These two filters can be combined by purchasing the combined magnetic filter QUADROMAG, which combines the functions of a mechanical dirt filter and a magnetic dirt separator into one filter.<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n

<\/span><\/div><\/div><\/div>

The most common causes of malfunctions<\/h2><\/div>

Heat exchanger leaks<\/h3><\/div>

This is the worst possible scenario, as replacing the heat exchanger can cost up to 300-600 EUR (depending on the type and brand of the boiler), at which point it is already worth considering buying a new one. This happens because impurities and iron oxides circulating in the system settle on the inner surface of the heat exchanger, which leads to higher heat absorption in this area.
\nThis causes the filler to burn out, weakening the material and burning out the heat exchanger<\/strong> at this point. In other cases, it becomes clogged, which prevents the flow of liquid. In this case, the circulation pump and the heat exchanger gradually fail<\/strong>, often all at once.<\/p>\n<\/div>

Circulation pump fails<\/h3><\/div>

According to the new EU directive, the three-stage pumps in the units had to be replaced by pumps that could be modulated over the entire speed range. This brings a reduction in energy consumption of up to 70%<\/strong>.
\nOf course, the new types of pumps require a higher quality of the heat transfer medium. The technical solution is to install a permanent magnet shaft in the pump.<\/strong><\/p>\n

Without the QUADROMAG magnetic filter, magnetized impurities (rust, metal fragments) circulating in the system will stick to the shaft and in 1-2 years the pump will lose its performance<\/strong> and seize.<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n

In short<\/h2><\/div>

These failures are caused by misuse and are not covered by the warranty<\/strong>, so if you need to service the pump, you will have to dig deep into your pockets.<\/p>\n

Therefore, it is much better to think ahead and invest in a QUADROMAG magnetic filter than to lose the boiler warranty and thus your trust in the manufacturer. Before replacing the boiler, always have the existing system professionally cleaned with specially developed chemicals from the QUADROMAG range and protect your boiler for a problem-free heating season!<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n

Do you have questions?<\/h2><\/div>

In case of any questions, do not hesitate to contact us by e-mail or phone<\/p>\n<\/div>

Contact<\/span><\/a><\/div><\/div><\/div>
<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/p>\n","protected":false},"excerpt":{"rendered":"

Nemrzn\u00faci mosadzn\u00fd ventil 1\u2033 (DN 25) chr\u00e1ni okruh syst\u00e9mu proti zamrznutiu. Ke\u010f teplota v syst\u00e9me dosiahne priemern\u00fa hodnotu 3 \u00b0C, m\u00e9dium vytek\u00e1 zo syst\u00e9mu cez tento ventil, \u010d\u00edm chr\u00e1ni rozvody a zariadenia vo\u010di tvorbe \u013eadu v syst\u00e9me, tj. pred jeho po\u0161koden\u00edm. Ide\u00e1lne pred monoblokov\u00e9 tepeln\u00e9 \u010derpadl\u00e1 na vstupn\u00fa a v\u00fdstupn\u00fa vetvu, tj (2ks).<\/p>\n","protected":false},"author":1,"featured_media":2393,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"portfolio_category":[],"portfolio_skills":[],"portfolio_tags":[],"class_list":["post-2452","avada_portfolio","type-avada_portfolio","status-publish","format-standard","has-post-thumbnail","hentry"],"yoast_head":"\nAntifreeze valve for heat pumps - Quadromag<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Antifreeze valve for heat pumps - Quadromag\" \/>\n<meta property=\"og:description\" content=\"Nemrzn\u00faci mosadzn\u00fd ventil 1\u2033 (DN 25) chr\u00e1ni okruh syst\u00e9mu proti zamrznutiu. Ke\u010f teplota v syst\u00e9me dosiahne priemern\u00fa hodnotu 3 \u00b0C, m\u00e9dium vytek\u00e1 zo syst\u00e9mu cez tento ventil, \u010d\u00edm chr\u00e1ni rozvody a zariadenia vo\u010di tvorbe \u013eadu v syst\u00e9me, tj. pred jeho po\u0161koden\u00edm. Ide\u00e1lne pred monoblokov\u00e9 tepeln\u00e9 \u010derpadl\u00e1 na vstupn\u00fa a v\u00fdstupn\u00fa vetvu, tj (2ks).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/\" \/>\n<meta property=\"og:site_name\" content=\"Quadromag\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/www.quadroflex.sk\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-24T19:19:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/quadromag.eu\/wp-content\/uploads\/2026\/02\/quadromag-ventil-nahladova.png\" \/>\n\t<meta property=\"og:image:width\" content=\"331\" \/>\n\t<meta property=\"og:image:height\" content=\"264\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/\",\"url\":\"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/\",\"name\":\"Antifreeze valve for heat pumps - Quadromag\",\"isPartOf\":{\"@id\":\"https:\/\/quadromag.eu\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/quadromag.eu\/wp-content\/uploads\/2026\/02\/quadromag-ventil-nahladova.png\",\"datePublished\":\"2026-02-20T14:12:47+00:00\",\"dateModified\":\"2026-02-24T19:19:41+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/#primaryimage\",\"url\":\"https:\/\/quadromag.eu\/wp-content\/uploads\/2026\/02\/quadromag-ventil-nahladova.png\",\"contentUrl\":\"https:\/\/quadromag.eu\/wp-content\/uploads\/2026\/02\/quadromag-ventil-nahladova.png\",\"width\":331,\"height\":264},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Domovsk\u00e1 str\u00e1nka\",\"item\":\"https:\/\/quadromag.eu\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Portfolio\",\"item\":\"https:\/\/quadromag.eu\/de\/portfolio\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Antifreeze valve for heat pumps\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/quadromag.eu\/#website\",\"url\":\"https:\/\/quadromag.eu\/\",\"name\":\"quadromag.eu\",\"description\":\"Chr\u00e1\u0148te svoj vykurovac\u00ed syst\u00e9m\",\"publisher\":{\"@id\":\"https:\/\/quadromag.eu\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/quadromag.eu\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/quadromag.eu\/#organization\",\"name\":\"Quadromag\",\"url\":\"https:\/\/quadromag.eu\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/quadromag.eu\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/quadromag.eu\/wp-content\/uploads\/2025\/04\/quadromag-logo.svg\",\"contentUrl\":\"https:\/\/quadromag.eu\/wp-content\/uploads\/2025\/04\/quadromag-logo.svg\",\"width\":320,\"height\":30,\"caption\":\"Quadromag\"},\"image\":{\"@id\":\"https:\/\/quadromag.eu\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/www.quadroflex.sk\",\"https:\/\/www.instagram.com\/quadroflex_sro\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Antifreeze valve for heat pumps - Quadromag","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/","og_locale":"en_US","og_type":"article","og_title":"Antifreeze valve for heat pumps - Quadromag","og_description":"Nemrzn\u00faci mosadzn\u00fd ventil 1\u2033 (DN 25) chr\u00e1ni okruh syst\u00e9mu proti zamrznutiu. Ke\u010f teplota v syst\u00e9me dosiahne priemern\u00fa hodnotu 3 \u00b0C, m\u00e9dium vytek\u00e1 zo syst\u00e9mu cez tento ventil, \u010d\u00edm chr\u00e1ni rozvody a zariadenia vo\u010di tvorbe \u013eadu v syst\u00e9me, tj. pred jeho po\u0161koden\u00edm. Ide\u00e1lne pred monoblokov\u00e9 tepeln\u00e9 \u010derpadl\u00e1 na vstupn\u00fa a v\u00fdstupn\u00fa vetvu, tj (2ks).","og_url":"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/","og_site_name":"Quadromag","article_publisher":"https:\/\/www.facebook.com\/www.quadroflex.sk","article_modified_time":"2026-02-24T19:19:41+00:00","og_image":[{"width":331,"height":264,"url":"https:\/\/quadromag.eu\/wp-content\/uploads\/2026\/02\/quadromag-ventil-nahladova.png","type":"image\/png"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/","url":"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/","name":"Antifreeze valve for heat pumps - Quadromag","isPartOf":{"@id":"https:\/\/quadromag.eu\/#website"},"primaryImageOfPage":{"@id":"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/#primaryimage"},"image":{"@id":"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/#primaryimage"},"thumbnailUrl":"https:\/\/quadromag.eu\/wp-content\/uploads\/2026\/02\/quadromag-ventil-nahladova.png","datePublished":"2026-02-20T14:12:47+00:00","dateModified":"2026-02-24T19:19:41+00:00","breadcrumb":{"@id":"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/#primaryimage","url":"https:\/\/quadromag.eu\/wp-content\/uploads\/2026\/02\/quadromag-ventil-nahladova.png","contentUrl":"https:\/\/quadromag.eu\/wp-content\/uploads\/2026\/02\/quadromag-ventil-nahladova.png","width":331,"height":264},{"@type":"BreadcrumbList","@id":"https:\/\/quadromag.eu\/en\/portfolio\/antifreeze-valve-for-heat-pumps\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Domovsk\u00e1 str\u00e1nka","item":"https:\/\/quadromag.eu\/en\/"},{"@type":"ListItem","position":2,"name":"Portfolio","item":"https:\/\/quadromag.eu\/de\/portfolio\/"},{"@type":"ListItem","position":3,"name":"Antifreeze valve for heat pumps"}]},{"@type":"WebSite","@id":"https:\/\/quadromag.eu\/#website","url":"https:\/\/quadromag.eu\/","name":"quadromag.eu","description":"Chr\u00e1\u0148te svoj vykurovac\u00ed syst\u00e9m","publisher":{"@id":"https:\/\/quadromag.eu\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/quadromag.eu\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/quadromag.eu\/#organization","name":"Quadromag","url":"https:\/\/quadromag.eu\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/quadromag.eu\/#\/schema\/logo\/image\/","url":"https:\/\/quadromag.eu\/wp-content\/uploads\/2025\/04\/quadromag-logo.svg","contentUrl":"https:\/\/quadromag.eu\/wp-content\/uploads\/2025\/04\/quadromag-logo.svg","width":320,"height":30,"caption":"Quadromag"},"image":{"@id":"https:\/\/quadromag.eu\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/www.quadroflex.sk","https:\/\/www.instagram.com\/quadroflex_sro\/"]}]}},"_links":{"self":[{"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/avada_portfolio\/2452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/avada_portfolio"}],"about":[{"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/types\/avada_portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/comments?post=2452"}],"version-history":[{"count":2,"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/avada_portfolio\/2452\/revisions"}],"predecessor-version":[{"id":2504,"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/avada_portfolio\/2452\/revisions\/2504"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/media\/2393"}],"wp:attachment":[{"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/media?parent=2452"}],"wp:term":[{"taxonomy":"portfolio_category","embeddable":true,"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/portfolio_category?post=2452"},{"taxonomy":"portfolio_skills","embeddable":true,"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/portfolio_skills?post=2452"},{"taxonomy":"portfolio_tags","embeddable":true,"href":"https:\/\/quadromag.eu\/en\/wp-json\/wp\/v2\/portfolio_tags?post=2452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}