{"id":362221,"date":"1970-01-01T00:00:00","date_gmt":"1969-12-31T22:00:00","guid":{"rendered":"https:\/\/staging.met-industry.hu\/?post_type=product&#038;p=362221"},"modified":"2026-05-06T16:12:54","modified_gmt":"2026-05-06T14:12:54","slug":"napkollektoros-kezi-toltopumpa-hap-21_sol","status":"publish","type":"product","link":"https:\/\/staging.met-industry.hu\/en\/uzlet\/napkollektoros-kezi-toltopumpa-hap-21_sol\/","title":{"rendered":"Solar plant hand filling pump"},"content":{"rendered":"<p># Solar Collector Hand Filling Pump (HAP 21_SOL) \u2013 Precision Fluid Management<\/p>\n<p>LEITENBERGER Mess- und Regeltechnik GmbH presents the **HAP 21_SOL type, double-action hand filling pump**, specifically developed for solar collector systems. This robust device, made of aluminum, is essential for filling the heat transfer medium in heating systems and for the precise adjustment of system pressure. The \u201eMade in Germany\u201d quality guarantees reliability and a long service life, even under high counter-pressure.<\/p>\n<p>This filling pump allows for the direct transfer of the heat transfer medium from the original storage container to the solar system's heating circuit in a simple and efficient manner.<\/p>\n<p>## Main Features and Advantages<\/p>\n<p>The design of the HAP 21_SOL filling pump ensures optimal user experience and high performance:<\/p>\n<p>*   **Double Action:** The pump delivers medium with both the upward and downward stroke, maximizing filling speed and efficiency.<br \/>\n*   **Aluminum Construction:** The light yet extremely durable aluminum body ensures long-term reliability and corrosion resistance.<br \/>\n*   **High Pressure Capability:** Capable of reaching pressures up to 30 bar, making it ideal for filling and pressure testing modern high-pressure heating and solar collector systems.<br \/>\n*   **Easy Handling:** The pump is easy to handle, even under high counter-pressure, significantly easing the work of professionals on-site.<br \/>\n*   **Versatile Connection:** The connections feature both threads and a hose, allowing for direct connection to the solar collector system.<br \/>\n*   **Adjustable Height:** Thanks to various shaped plugs, the pump height can be flexibly adjusted for different container sizes and connection points.<\/p>\n<p>## Technical Data<\/p>\n<p>The precise sizing and specifications of the HAP 21_SOL filling pump ensure professional installation and maintenance:<\/p>\n<p>| Parameter | Value | Remarks |<br \/>\n| :&#8212; | :&#8212; | :&#8212; |<br \/>\n| **Part Number** | HAP 21_SOL | Solar plant hand filling pump |<br \/>\n| **Operating Principle** | Double Action | Efficient fluid delivery |<br \/>\n| **Body Material** | Aluminum | Durable and lightweight design |<br \/>\n| **Max. Pressure** | approx. 30 bar | Ideal for high-pressure systems |<br \/>\n| **Body Diameter** | \u00d8 25 mm | |<br \/>\n| **Length** | 400 mm | Total length of the pump |<br \/>\n| **Stroke Height** | 270 mm | Maximum stroke of the piston |<br \/>\n| **Hose Length** | 600 mm | Necessary length for connection |<br \/>\n| **Connection Thread** | G 3\/4\u201c | Standard connection size |<br \/>\n| **Application Area** | Filling and pressure adjustment of solar collector systems | Heat transfer medium management |<\/p>\n<p>## Application Area<\/p>\n<p>The HAP 21_SOL filling pump is the ideal choice for all professionals involved in the installation, maintenance, or repair of solar collector systems. Main functions:<\/p>\n<p>1.  **Heat Transfer Medium Filling:** Injecting antifreeze or other heat transfer fluid into the system directly from the tank.<br \/>\n2.  **Pressure Adjustment:** Precisely setting the system's operating pressure to ensure safe and optimal functionality.<br \/>\n3.  **Pressure Testing:** Checking the system for leaks up to the maximum permitted pressure.<\/p>\n<p>The included shaped plugs ensure a perfect fit for various sizes and types of connection openings, minimizing losses and air ingress into the system. The 600 mm hose provides sufficient flexibility for working in the installation environment.<\/p>\n<p>This tool is part of LEITENBERGER's quality measuring and control technology, which prioritizes precision and reliability in industrial and solar applications.<\/p>","protected":false},"excerpt":{"rendered":"<p>Double-acting hand filling pump for solar systems, ensures precise fluid management, reliable design.<\/p>","protected":false},"featured_media":335204,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[13687],"product_cat":[12998],"product_tag":[],"class_list":["post-362221","product","type-product","status-publish","has-post-thumbnail","product_brand-leitenberger-mrt","product_cat-egyeb-termekek","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product\/362221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/comments?post=362221"}],"version-history":[{"count":1,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product\/362221\/revisions"}],"predecessor-version":[{"id":371679,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product\/362221\/revisions\/371679"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/media\/335204"}],"wp:attachment":[{"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/media?parent=362221"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product_brand?post=362221"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product_cat?post=362221"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/staging.met-industry.hu\/en\/wp-json\/wp\/v2\/product_tag?post=362221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}