{"id":5627,"date":"2025-07-29T11:32:59","date_gmt":"2025-07-29T09:32:59","guid":{"rendered":"https:\/\/uws-technologie.de\/desalination-in-heating-technology-why-only-chemically-calm-water-provides-long-term-protection\/"},"modified":"2025-07-29T11:37:22","modified_gmt":"2025-07-29T09:37:22","slug":"desalination-in-heating-technology-why-only-chemically-calm-water-provides-long-term-protection","status":"publish","type":"post","link":"https:\/\/uws-technologie.de\/en\/desalination-in-heating-technology-why-only-chemically-calm-water-provides-long-term-protection\/","title":{"rendered":"Desalination in heating technology: Why only &#8220;chemically calm&#8221; water provides long-term protection"},"content":{"rendered":"<h2 class=\"subtitle\">For all those who fill systems with responsibility<\/h2>\n<p>Anyone operating heating systems correctly cannot ignore the water quality. Especially in modern systems with mixed installations made of aluminum, stainless steel, steel or plastic, one thing is clear: <strong>softening alone is not enough<\/strong>.<\/p>\n<p>Because even if the water is &#8220;limescale-free&#8221;, aggressive ions such as chloride or sulphate remain in the system &#8211; <strong>and with them the risk of corrosion, damage and downtime<\/strong>.<\/p>\n<div class=\"two-col-infobox\">  <div class=\"infobox-left\"><\/p>\n<h3>The solution:<\/h3>\n<p><strong>Desalination with mixed bed resin<\/strong>, as is possible with our <a href=\"https:\/\/uws-technologie.de\/en\/product\/vadion-ph-control\/\">Vadion pH Control<\/a>, for example. This allows you to achieve what counts in practice: <strong>chemically calm water<\/strong> &#8211; and that is the basis for standard-compliant, trouble-free operation. <\/div>  <div class=\"infobox-right\">    <img decoding=\"async\" src=\"https:\/\/uws-technologie.de\/wp-content\/plugins\/fley-functions\/Mr_Heaty_erklaert_Icon.svg\" alt=\"Icon\">  <\/div><\/div> <span class=\"heaty-border\"><\/span>\n<h2>What happens during desalination?<\/h2>\n<p>During desalination, the heating water is passed through <strong>mixed bed resin<\/strong> &#8211; a combination of cation and anion exchangers.<br \/>\nThe highlight: <strong>not only<\/strong> calcium and magnesium are removed, <strong>but also<\/strong>:<\/p>\n<ul>\n<li>Chloride (Cl-)<\/li>\n<li>Sulphate (SO\u2084\u00b2-)<\/li>\n<li>Nitrate (NO\u2083-)<\/li>\n<\/ul>\n<p>These ions are considered to <strong>promote corrosion<\/strong> and &#8211; even with softened water &#8211; are often the cause of pitting, sludge formation and material failure.<\/p>\n<h3>Reduced conductivity = reduced risk<\/h3>\n<p>Every dissolved salt compound contributes to the <strong>electrical conductivity<\/strong> of the water &#8211; and it is precisely this that is the key indicator of the <strong>corrosion potential<\/strong> in the system.<\/p>\n<p>Desalination reduces the conductivity to values below <strong>100 \u00b5S\/cm<\/strong> &#8211; as required by <strong><a href=\"https:\/\/uws-technologie.de\/en\/heating-water-vdi-2035\/\">VDI 2035<\/a>, \u00d6NORM H 5195-1, SWKI BT 102-1<\/strong> and numerous appliance manufacturers today.<\/p>\n<p>The result:<br \/>\n\u2705 <strong>Corrosion-free operating conditions<\/strong><br \/>\n\u2705 <strong>Stable pH values<\/strong><br \/>\n\u2705 <strong>No deposits<\/strong><br \/>\n\u2705 <strong>Maximum service life for heat generators, pumps and heat exchangers<\/strong><\/p>\n<p>In short: <strong>chemically calm water<\/strong> means that almost nothing reacts in the system &#8211; and that is exactly what you need for long-lasting technology.<\/p>\n<h3>Why this is particularly important today<\/h3>\n<p>Modern heating systems combine a wide variety of components:<\/p>\n<ul>\n<li>Heat pumps with stainless steel heat exchangers<\/li>\n<li>Condensing boilers with aluminum-silicon alloys<\/li>\n<li>Panel heating systems with large water volumes<\/li>\n<li>Plastic composite pipes with diffusion-open structure<\/li>\n<\/ul>\n<p>All of these are <strong>mixed installations<\/strong> in which electrochemical voltage differences quickly occur &#8211; as soon as there are too many ions in the water.<\/p>\n<p><strong>Only desalinated water with low conductivity and a stable pH value can reliably prevent these reactions.<\/strong><\/p>\n<div class=\"one-col-produktbox\"><div class=\"produktbox-center\"><div class=\"produktbox-images\"><div class=\"produktbox-symbol\" style=\"background-image:url(https:\/\/uws-technologie.de\/wp-content\/plugins\/fley-functions\/Mr_Heaty_Produkt.svg);\"><\/div><img decoding=\"async\" style=\"max-height:150px;\" src=\"https:\/\/uws-technologie.de\/wp-content\/uploads\/2023\/08\/heaty_ferriline_no2-100413-200x300.png\" srcset=\"https:\/\/uws-technologie.de\/wp-content\/uploads\/2023\/08\/heaty_ferriline_no2-100413-200x300.png 200w, https:\/\/uws-technologie.de\/wp-content\/uploads\/2023\/08\/heaty_ferriline_no2-100413-250x375.png 250w, https:\/\/uws-technologie.de\/wp-content\/uploads\/2023\/08\/heaty_ferriline_no2-100413-260x390.png 260w, https:\/\/uws-technologie.de\/wp-content\/uploads\/2023\/08\/heaty_ferriline_no2-100413-270x405.png 270w, https:\/\/uws-technologie.de\/wp-content\/uploads\/2023\/08\/heaty_ferriline_no2-100413-280x420.png 280w, https:\/\/uws-technologie.de\/wp-content\/uploads\/2023\/08\/heaty_ferriline_no2-100413-290x435.png 290w, https:\/\/uws-technologie.de\/wp-content\/uploads\/2023\/08\/heaty_ferriline_no2-100413.png 320w\" sizes=\"(max-width: 200px) 100vw, 200px\" class=\"produktbox-icon\" alt=\"Heaty Ferriline\" \/><\/div><h3>Heaty Ferriline No. 2<\/h3>Complete unit for professional bypass treatment, sludge and magnetite filtration in the hot water area incl. MAGella twister<br \/><a style=\"background-color: #00933b;\" class=\"btn button-green position-center\" href=\"https:\/\/uws-technologie.de\/en\/product\/heaty-ferriline-no-2\/\" aria-label=\"Weiterf\u00fchrende Informationen zum Produkt: Heaty Ferriline No. 2\" rel=\"noopener\" role=\"button\">To the product<\/a><\/div><\/div>\n<h3>What are the specific benefits of desalination in your everyday life?<\/h3>\n<h4>Less maintenance<\/h4>\n<p>No sludge, no pitting, no clogged heat exchangers.<\/p>\n<h4>Better efficiency<\/h4>\n<p>No deposits = optimum heat transfer.<\/p>\n<h4>Fewer returns<\/h4>\n<p>Water treatment to standard protects against loss of warranty.<\/p>\n<h4>Standard safety<\/h4>\n<p>VDI 2035, \u00d6NORM H 5195-, SWKI BT 102-1 EN 1717, manufacturer&#8217;s specifications &#8211; all fulfilled.<\/p>\n<h4>Sustainable operation<\/h4>\n<p>Less energy used = less CO\u2082 = satisfied customers.<\/p>\n<h3>When does desalination make sense?<\/h3>\n<p>Quite simply: <strong>almost always<\/strong>.<br \/>\nEven supposedly good filling water often contains too much chloride or sulphate. Desalination is the only way to safely remove these substances.<\/p>\n<p>You should use desalination for:<\/p>\n<ul>\n<li><strong>Initial filling of<\/strong> new systems, e.g. with <a href=\"https:\/\/uws-technologie.de\/en\/product\/heaty-ferriline-no-2\/\">Heaty Ferriline No. 2<\/a><\/li>\n<li><strong>Make-up<\/strong> via stationary filling combinations, such as <a href=\"https:\/\/uws-technologie.de\/en\/product\/heaty-complete-professional\/\">Heaty Complete Professional<\/a><\/li>\n<li><strong>Ongoing treatment<\/strong> in the bypass process, e.g. with <a href=\"https:\/\/uws-technologie.de\/en\/product\/heaty-profiline-no-2\/\">Heaty Profiline No. 2<\/a><\/li>\n<li><strong>Renovation<\/strong> of older systems with high corrosion potential<\/li>\n<\/ul>\n<p>The <strong>Vadion pH-Control mixed-bed resin<\/strong> is used in our devices for desalination and targeted treatment:<br \/>\nDesalination, pH stabilization and compliance with VDI values &#8211; all with one resin.<\/p>\n<div class=\"one-col-produktbox\"><div class=\"produktbox-center\"><div class=\"produktbox-images\"><div class=\"produktbox-symbol\" style=\"background-image:url(https:\/\/uws-technologie.de\/wp-content\/plugins\/fley-functions\/Mr_Heaty_Produkt.svg);\"><\/div><img decoding=\"async\" style=\"max-height:150px;\" src=\"https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-300x300.webp\" srcset=\"https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-300x300.webp 300w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-150x150.webp 150w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-250x250.webp 250w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-260x260.webp 260w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-270x270.webp 270w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-280x280.webp 280w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-290x290.webp 290w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-320x320.webp 320w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-335x335.webp 335w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-371x371.webp 371w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-374x374.webp 374w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung-600x600.webp 600w, https:\/\/uws-technologie.de\/wp-content\/uploads\/vadion_ph_control_produktabbildung.webp 700w\" sizes=\"(max-width: 300px) 100vw, 300px\" class=\"produktbox-icon\" alt=\"Mixed bed resin Vadion pH-Control from UWS\" \/><\/div><h3>Mixed bed resin Vadion pH-Control<\/h3>Our Vadion pH-Control is a mixed bed resin that not only desalinates the water to &lt; 100 \u03bcS\/cm (equivalent to 0-2 \u00b0fh) but also ensures that the pH value of the filling water is within the required range.<br \/><a style=\"background-color: #00933b;\" class=\"btn button-green position-center\" href=\"https:\/\/uws-technologie.de\/en\/product\/vadion-ph-control\/\" aria-label=\"Weiterf\u00fchrende Informationen zum Produkt: Mixed bed resin Vadion pH-Control\" rel=\"noopener\" role=\"button\">To the product<\/a><\/div><\/div>\n<h4>How it works in practice &#8211; step by step<\/h4>\n<ol>\n<li><strong>Check conductivity<\/strong> &#8211; e.g. with the <a href=\"https:\/\/uws-technologie.de\/en\/service\/measuring-devices-for-analyzing-the-heating-water\/\">WaterBoy dual measuring device<\/a> (pH + \u00b5S\/cm)<\/li>\n<li><strong>Desalination in bypass<\/strong> &#8211; without interrupting operation &#8211; Read more: <a href=\"https:\/\/uws-technologie.de\/en\/service\/heating-water-treatment-and-filling\/\">Heating water treatment and filling for all system sizes<\/a><\/li>\n<li><strong>Secure make-up<\/strong> &#8211; with EN 1717-compliant filling valve incl. system separator &#8211; Read more: <a href=\"https:\/\/uws-technologie.de\/en\/service\/replenishment\/\">Professional make-up according to VDI 2035<\/a><\/li>\n<li><strong>Documenting values<\/strong> &#8211; in the system logbook and maintenance log<\/li>\n<li><strong>Replace resin in good time<\/strong> &#8211; before capacity is exceeded<\/li>\n<\/ol>\n<h3>Combination tip: Desalination + make-up<\/h3>\n<p>The biggest mistake in practice: The initial filling is properly demineralized &#8211; but the top-up later runs again via the normal domestic water connection. This means you are gradually undoing the corrosion protection.<\/p>\n<p>The solution: <strong>Permanently installed make-up solution<\/strong> with:<\/p>\n<ul>\n<li>System separator BA<\/li>\n<li>Water meter<\/li>\n<li>Mixed bed resin cartridge<\/li>\n<li>Optionally with flow monitoring and cloud connection<\/li>\n<\/ul>\n<p>Read more: <a href=\"https:\/\/uws-technologie.de\/en\/service\/replenishment\/\">Professional make-up systems according to VDI 2035<\/a><\/p>\n<div class=\"one-col-produktbox\"><div class=\"produktbox-center\"><div class=\"produktbox-images\"><div class=\"produktbox-symbol\" style=\"background-image:url(https:\/\/uws-technologie.de\/wp-content\/plugins\/fley-functions\/Mr_Heaty_Produkt.svg);\"><\/div><img decoding=\"async\" style=\"max-height:150px;\" src=\"https:\/\/uws-technologie.de\/wp-content\/uploads\/Heaty_Complete_Pro_Heaven_Homepage_Smartphone.png\" srcset=\"https:\/\/uws-technologie.de\/wp-content\/uploads\/Heaty_Complete_Pro_Heaven_Homepage_Smartphone.png 280w, https:\/\/uws-technologie.de\/wp-content\/uploads\/Heaty_Complete_Pro_Heaven_Homepage_Smartphone-250x250.png 250w, https:\/\/uws-technologie.de\/wp-content\/uploads\/Heaty_Complete_Pro_Heaven_Homepage_Smartphone-260x260.png 260w, https:\/\/uws-technologie.de\/wp-content\/uploads\/Heaty_Complete_Pro_Heaven_Homepage_Smartphone-270x270.png 270w, https:\/\/uws-technologie.de\/wp-content\/uploads\/Heaty_Complete_Pro_Heaven_Homepage_Smartphone-150x150.png 150w\" sizes=\"(max-width: 280px) 100vw, 280px\" class=\"produktbox-icon\" alt=\"Heaty Complete PROfessional mit Heaven 7 Logo\" \/><\/div><h3>Heaty Complete PROfessional<\/h3>The Heaty Complete PROfessional is the world&#8217;s first <a href=\"https:\/\/uws-technologie.de\/en\/replenishment-heaty-complete-professional\/\">smart IoT top-up system<\/a> incl. Cloud connection &#8211; fully automatic, leakage protection and digital water meter.<br \/><a style=\"background-color: #00933b;\" class=\"btn button-green position-center\" href=\"https:\/\/uws-technologie.de\/en\/product\/heaty-complete-professional\/\" aria-label=\"Weiterf\u00fchrende Informationen zum Produkt: Heaty Complete PROfessional\" rel=\"noopener\" role=\"button\">To the product<\/a><\/div><\/div>\n<h3>Conclusion: those who protect systems today are desalinating<\/h3>\n<p>Anyone who manages systems professionally today <strong>cannot avoid desalination<\/strong>. Softening alone is not a solution &#8211; it reduces hardness, but not the risk.<br \/>\n<strong>Desalinated water is the basis for chemically calm, stable and long-lasting heating systems.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>For all those who fill systems with responsibility Anyone operating heating systems correctly cannot ignore the water quality. Especially in modern systems with mixed installations made of aluminum, stainless steel, steel or plastic, one thing is clear: softening alone is not enough. Because even if the water is &#8220;limescale-free&#8221;, aggressive ions such as chloride or [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[237,215],"tags":[],"class_list":["post-5627","post","type-post","status-publish","format-standard","hentry","category-mixed-bed-resin","category-preparation"],"acf":[],"_links":{"self":[{"href":"https:\/\/uws-technologie.de\/en\/wp-json\/wp\/v2\/posts\/5627","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uws-technologie.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/uws-technologie.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/uws-technologie.de\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/uws-technologie.de\/en\/wp-json\/wp\/v2\/comments?post=5627"}],"version-history":[{"count":2,"href":"https:\/\/uws-technologie.de\/en\/wp-json\/wp\/v2\/posts\/5627\/revisions"}],"predecessor-version":[{"id":5631,"href":"https:\/\/uws-technologie.de\/en\/wp-json\/wp\/v2\/posts\/5627\/revisions\/5631"}],"wp:attachment":[{"href":"https:\/\/uws-technologie.de\/en\/wp-json\/wp\/v2\/media?parent=5627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/uws-technologie.de\/en\/wp-json\/wp\/v2\/categories?post=5627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uws-technologie.de\/en\/wp-json\/wp\/v2\/tags?post=5627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}