{"id":11967,"date":"2026-07-01T12:01:39","date_gmt":"2026-07-01T09:01:39","guid":{"rendered":"https:\/\/altal.md\/?post_type=product&#038;p=11967"},"modified":"2026-07-02T00:46:10","modified_gmt":"2026-07-01T21:46:10","slug":"rectangular-expansion-vessel-10-liters","status":"publish","type":"product","link":"https:\/\/altal.md\/en\/vas-de-expansiune-dreptunghiular-10-litri\/","title":{"rendered":"Rectangular expansion tank 10 liters"},"content":{"rendered":"<h2><span style=\"color: #993300;\"><strong>Rectangular expansion vessel 10 liters for heating systems<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\"><strong>Rectangular expansion tank 10 liters<\/strong> is intended for closed-circuit heating systems, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Heating,_ventilation,_and_air_conditioning\" target=\"_blank\" rel=\"noopener\">HVAC<\/a> and wall-mounted boilers. Its role is to compensate for volume variations of the heating medium during heating and cooling of the installation, maintaining optimal pressure in the system and protecting components against overpressure.<\/span><\/p>\n<p><span style=\"color: #000000;\">This <strong>rectangular expansion tank 10 liters<\/strong> It is equipped with a high-quality elastic membrane, which separates the water circuit from the nitrogen-pressurized chamber. Thanks to this construction, the tank ensures stable operation, reduces stress on the installation and contributes to extending the service life of the boiler and the entire heating system.<\/span><\/p>\n<p><span style=\"color: #000000;\">The tank is delivered pre-charged from the factory with <strong>nitrogen at a pressure of 1 bar<\/strong>, being ready for immediate installation. Under normal installation conditions, no additional adjustments are required before commissioning.<\/span><\/p>\n<p><span style=\"color: #000000;\">The connection is made via a threaded connection <strong>G1\/2<\/strong>, and the connection and valve for checking or recharging the pressure are located on the same side, facilitating access during maintenance operations.<\/span><\/p>\n<p><span style=\"color: #000000;\">Rectangular expansion tank 10 liters has a rectangular shape that allows installation in confined spaces, inside heating plants or other heating equipment where the installation configuration requires the use of a compact tank. The steel casing, finished in gray, offers high mechanical resistance and protection against corrosion.<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>Rectangular expansion tank 10 liters<\/strong> represents a reliable solution for replacing a worn tank or equipping a new installation, ensuring the efficient and safe operation of the heating system in the long term.<\/span><\/p>\n<h3><span style=\"color: #000000;\">Main advantages of rectangular expansion tank 10 liters<\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">10 liter capacity;<\/span><\/li>\n<li><span style=\"color: #000000;\">Suitable for closed circuit heating systems;<\/span><\/li>\n<li><span style=\"color: #000000;\">Durable elastic membrane;<\/span><\/li>\n<li><span style=\"color: #000000;\">Factory pre-charged with nitrogen at 1 bar;<\/span><\/li>\n<li><span style=\"color: #000000;\">Threaded connection G3\/8;<\/span><\/li>\n<li><span style=\"color: #000000;\">Quick and easy assembly;<\/span><\/li>\n<li><span style=\"color: #000000;\">Robust steel housing;<\/span><\/li>\n<li><span style=\"color: #000000;\">Rectangular shape for space saving;<\/span><\/li>\n<li><span style=\"color: #000000;\">Long service life;<\/span><\/li>\n<li><span style=\"color: #000000;\">Delivered ready for installation.<\/span><\/li>\n<\/ul>\n<h3 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"1xxf4ds\" data-start=\"2726\" data-end=\"2733\"><strong><span style=\"color: #993300;\">FAQ<\/span><\/strong><\/h3>\n<p data-start=\"2735\" data-end=\"2954\"><span style=\"color: #000000;\"><strong data-start=\"2735\" data-end=\"2805\">What type of installations can this 10 liter rectangular expansion vessel be used in?<\/strong><\/span><br data-start=\"2805\" data-end=\"2808\" \/><span style=\"color: #000000;\">It is intended for closed-circuit heating systems and boilers that use an expansion vessel with compatible characteristics.<\/span><\/p>\n<p data-start=\"2956\" data-end=\"3108\"><span style=\"color: #000000;\"><strong data-start=\"2956\" data-end=\"3011\">Is it necessary to adjust the pressure before installation?<\/strong><\/span><br data-start=\"3011\" data-end=\"3014\" \/><span style=\"color: #000000;\">No. This 10 liter rectangular expansion vessel is factory pre-charged with nitrogen at <strong data-start=\"3064\" data-end=\"3073\">1 bar<\/strong> and is ready for installation.<\/span><\/p>\n<p data-start=\"3110\" data-end=\"3241\"><span style=\"color: #000000;\"><strong data-start=\"3110\" data-end=\"3135\">What type of connection does it have?<\/strong><\/span><br data-start=\"3135\" data-end=\"3138\" \/><span style=\"color: #000000;\">The product is equipped with a threaded connection <strong data-start=\"3178\" data-end=\"3186\">G3\/8<\/strong>, widely used in heating systems.<\/span><\/p>\n<p data-start=\"3243\" data-end=\"3394\"><span style=\"color: #000000;\"><strong data-start=\"3243\" data-end=\"3292\">What are the dimensions of the expansion tank?<\/strong><\/span><br data-start=\"3292\" data-end=\"3295\" \/><span style=\"color: #000000;\">The dimensions are <strong data-start=\"3313\" data-end=\"3334\">520 \u00d7 210 \u00d7 100 mm<\/strong>, which makes it suitable for installation in limited spaces.<\/span><\/p>\n<h3 data-section-id=\"1u0vn5v\" data-start=\"3557\" data-end=\"3583\"><span style=\"color: #000000;\">Compatible component<\/span><\/h3>\n<ul data-start=\"3585\" data-end=\"3752\">\n<li data-section-id=\"14bwzkg\" data-start=\"3585\" data-end=\"3637\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/water-differential-pressure-switch-wfs10008-aa\/\" target=\"_blank\" rel=\"noopener\">\u00a0<span class=\"kadence-bread-current\">Water differential pressure switch WFS10008 AA<\/span><\/a><\/span><\/li>\n<li data-section-id=\"16zdg0i\" data-start=\"3638\" data-end=\"3660\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/water-flow-sensor-mr-jx-02\/\" target=\"_blank\" rel=\"noopener\">Water flow sensor MR-JX-02<\/a><\/span><\/li>\n<li data-section-id=\"1bbh5ga\" data-start=\"3661\" data-end=\"3682\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/circulation-pump-spm25-8-130a\/\" target=\"_blank\" rel=\"noopener\">Circulation pumps<\/a><\/span><\/li>\n<li data-section-id=\"1sxwods\" data-start=\"3683\" data-end=\"3720\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/dn25-3-way-valve-with-actuator\/\" target=\"_blank\" rel=\"noopener\">3-way valve DN25 with actuator<\/a><\/span><\/li>\n<li data-section-id=\"1l0dwm2\" data-start=\"3721\" data-end=\"3752\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/dn25-3-way-valve-with-actuator-hdq\/\" target=\"_blank\" rel=\"noopener\">3-way valve DN25 with HDQ actuator<\/a><\/span><\/li>\n<\/ul>\n<h3 data-section-id=\"dpqwl5\" data-start=\"3754\" data-end=\"3777\"><span style=\"color: #000000;\">Relevant categories<\/span><\/h3>\n<ul data-start=\"3779\" data-end=\"3910\">\n<li data-section-id=\"1jwhnm6\" data-start=\"3779\" data-end=\"3799\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/heating-installation-accessories\/\" target=\"_blank\" rel=\"noopener\">Heating system accessories<\/a><\/span><\/li>\n<li data-section-id=\"91rklp\" data-start=\"3800\" data-end=\"3836\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/heat-exchangers\/\" target=\"_blank\" rel=\"noopener\">brazed plate heat exchanger<\/a><\/span><\/li>\n<li data-section-id=\"yfke7o\" data-start=\"3837\" data-end=\"3875\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/pipes-and-fittings-hdpe-and-ppr\/\" target=\"_blank\" rel=\"noopener\">HDPE and PPR Pipes and Fittings<\/a><\/span><\/li>\n<li data-section-id=\"6ys3i3\" data-start=\"3876\" data-end=\"3910\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/piese-de-schimb-hvac\/\" target=\"_blank\" rel=\"noopener\">Spare Parts for Heat Pump<\/a><\/span><\/li>\n<\/ul>\n<h3><\/h3>\n<hr \/>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<h2><strong><span style=\"color: #800080;\">Model: WL-PZSX<\/span><\/strong><\/h2>\n<ul>\n<li><span style=\"color: #000000;\">Product type: <strong>diaphragm expansion vessel<\/strong><\/span><\/li>\n<li><span style=\"color: #000000;\">Capacity: <strong>10 liters<\/strong><\/span><\/li>\n<li><span style=\"color: #000000;\">Shape: rectangular<\/span><\/li>\n<li><span style=\"color: #000000;\">Connection:<strong> G1\/2<\/strong><\/span><\/li>\n<li>Maximum working pressure: 3 bar<\/li>\n<li>Pre-pressure: 1.5 bar<\/li>\n<li>Working temperature: from -10 \u00b0C to + 90 \u00b0C<\/li>\n<li><span style=\"color: #000000;\">Precharge pressure: 1 bar (nitrogen)<\/span><\/li>\n<li><span style=\"color: #000000;\">Housing material: steel<\/span><\/li>\n<li><span style=\"color: #000000;\">Color: gray<\/span><\/li>\n<li><span style=\"color: #000000;\">Mounting position: horizontal or lateral, depending on the application<\/span><\/li>\n<li><span style=\"color: #000000;\">Dimensions: <strong>520 \u00d7 210 \u00d7 100 mm<\/strong><\/span><\/li>\n<\/ul>\n<hr \/>\n<p>&nbsp;<\/p>","protected":false},"featured_media":12053,"comment_status":"open","ping_status":"closed","template":"","meta":{"_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},"product_brand":[198],"product_cat":[280],"product_tag":[1163,918,1165,1164],"class_list":["post-11967","product","type-product","status-publish","has-post-thumbnail","product_brand-altal","product_cat-piese-pentru-pompe-de-caldura","product_tag-10-litri","product_tag-expansiune","product_tag-g1-2","product_tag-vas","first","instock","featured","taxable","shipping-taxable","purchasable","product-type-simple","entry","content-bg","loop-entry"],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/11967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=11967"}],"version-history":[{"count":3,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/11967\/revisions"}],"predecessor-version":[{"id":11978,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/11967\/revisions\/11978"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/12053"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=11967"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_brand?post=11967"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_cat?post=11967"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_tag?post=11967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}