{"id":7962,"date":"2026-01-23T12:51:18","date_gmt":"2026-01-23T12:51:18","guid":{"rendered":"https:\/\/www.bunker-bssd.de\/shop\/uncategorized\/air-heater-shelter-heating\/"},"modified":"2026-01-23T12:51:18","modified_gmt":"2026-01-23T10:51:18","slug":"air-heater-shelter-heating","status":"publish","type":"product","link":"https:\/\/www.bunker-bssd.de\/en\/shop\/shelter-equipment\/filter-systems-and-valves\/air-heater-shelter-heating\/","title":{"rendered":"Air Heater &#8211; Shelter Heating"},"content":{"rendered":"<h3 data-start=\"396\" data-end=\"456\">Reliable Heating for Shelters and Bunker Facilities<\/h3>\n<p data-start=\"458\" data-end=\"759\">The air heater for the <strong data-start=\"498\" data-end=\"516\">VA75 and VA150<\/strong> gas filtration systems was specifically designed for use in <strong data-start=\"551\" data-end=\"610\">shelters, bunkers, and security-critical facilities<\/strong>. It ensures reliable and uniform heating of the supply air, even under shielded conditions and during continuous operation. <\/p>\n<p data-start=\"761\" data-end=\"943\">This robust heating unit supports the functionality of the shelter ventilation system and contributes significantly to <strong data-start=\"861\" data-end=\"920\">the operational safety, usability, and comfort<\/strong> of protected spaces.<\/p>\n<h2 data-start=\"950\" data-end=\"999\">Robust design for use in shelters<\/h2>\n<p data-start=\"1001\" data-end=\"1326\">The air heater consists of a durable steel tube with an <strong data-start=\"1073\" data-end=\"1104\">inner diameter of 125 mm<\/strong> and is designed to provide uniform heat distribution within the airflow.<br data-start=\"1170\" data-end=\"1173\"\/>The sheet-steel connection housing, mounted on one side, enables a <strong data-start=\"1245\" data-end=\"1280\">safe, code-compliant connection<\/strong> to existing gas filter and ventilation systems.<\/p>\n<p data-start=\"1328\" data-end=\"1433\">The design is intended for <strong data-start=\"1357\" data-end=\"1421\">long-term use in safety-critical infrastructure<\/strong>.<\/p>\n<h2 data-start=\"1440\" data-end=\"1497\">Precise temperature control and high operational reliability<\/h2>\n<p data-start=\"1499\" data-end=\"1620\">To ensure controlled and safe heating operation, the air heater is equipped with the following safety features:<\/p>\n<ul data-start=\"1622\" data-end=\"1967\">\n<li data-start=\"1622\" data-end=\"1728\">\n<p data-start=\"1624\" data-end=\"1677\"><strong data-start=\"1624\" data-end=\"1658\">Regulating Safety Thermostat<\/strong>, Externally Operated<\/p>\n<ul data-start=\"1680\" data-end=\"1728\">\n<li data-start=\"1680\" data-end=\"1728\">\n<p data-start=\"1682\" data-end=\"1728\">Infinitely adjustable from <strong data-start=\"1708\" data-end=\"1728\">30 \u00b0C to 110 \u00b0C<\/strong><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1729\" data-end=\"1798\">\n<p data-start=\"1731\" data-end=\"1798\"><strong data-start=\"1731\" data-end=\"1769\">Over-temperature limiter set at 130 \u00b0C<\/strong> for additional protection<\/p>\n<\/li>\n<li data-start=\"1799\" data-end=\"1967\">\n<p data-start=\"1801\" data-end=\"1852\"><strong data-start=\"1801\" data-end=\"1831\">Backflow valve (NW 125 mm)<\/strong> in the lower section<\/p>\n<ul data-start=\"1855\" data-end=\"1967\">\n<li data-start=\"1855\" data-end=\"1902\">\n<p data-start=\"1857\" data-end=\"1902\">Prevents heat from flowing back into the fan<\/p>\n<\/li>\n<li data-start=\"1905\" data-end=\"1967\">\n<p data-start=\"1907\" data-end=\"1967\">Protects the entire ventilation system from thermal stress<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p data-start=\"1969\" data-end=\"2068\">These components ensure <strong data-start=\"2007\" data-end=\"2067\">reliable operation even during continuous or emergency operation<\/strong>.<\/p>\n<h2 data-start=\"2075\" data-end=\"2116\">Technical Specifications \u2013 Electric Air Heaters<\/h2>\n<h3 data-start=\"2118\" data-end=\"2139\">1.5 kW model<\/h3>\n<ul data-start=\"2140\" data-end=\"2293\">\n<li data-start=\"2140\" data-end=\"2195\">\n<p data-start=\"2142\" data-end=\"2195\">Suitable for airflow rates of <strong data-start=\"2171\" data-end=\"2195\">75 m\u00b3\/h and 150 m\u00b3\/h<\/strong><\/p>\n<\/li>\n<li data-start=\"2196\" data-end=\"2225\">\n<p data-start=\"2198\" data-end=\"2225\">Rated voltage: <strong data-start=\"2212\" data-end=\"2225\">3 \u00d7 400 V<\/strong><\/p>\n<\/li>\n<li data-start=\"2226\" data-end=\"2248\">\n<p data-start=\"2228\" data-end=\"2248\">Rated current: <strong data-start=\"2239\" data-end=\"2248\">2.2 A<\/strong><\/p>\n<\/li>\n<li data-start=\"2249\" data-end=\"2270\">\n<p data-start=\"2251\" data-end=\"2270\">Protection Class: <strong data-start=\"2262\" data-end=\"2270\">IP20<\/strong><\/p>\n<\/li>\n<li data-start=\"2271\" data-end=\"2293\">\n<p data-start=\"2273\" data-end=\"2293\">Overall length: <strong data-start=\"2283\" data-end=\"2293\">500 mm<\/strong><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2295\" data-end=\"2316\">3.0 kW model<\/h3>\n<ul data-start=\"2317\" data-end=\"2494\">\n<li data-start=\"2317\" data-end=\"2373\">\n<p data-start=\"2319\" data-end=\"2373\">Suitable for airflow rates of <strong data-start=\"2348\" data-end=\"2373\">150 m\u00b3\/h and 300 m\u00b3\/h<\/strong><\/p>\n<\/li>\n<li data-start=\"2374\" data-end=\"2403\">\n<p data-start=\"2376\" data-end=\"2403\">Rated voltage: <strong data-start=\"2390\" data-end=\"2403\">3 \u00d7 400 V<\/strong><\/p>\n<\/li>\n<li data-start=\"2404\" data-end=\"2426\">\n<p data-start=\"2406\" data-end=\"2426\">Rated current: <strong data-start=\"2417\" data-end=\"2426\">4.4 A<\/strong><\/p>\n<\/li>\n<li data-start=\"2427\" data-end=\"2448\">\n<p data-start=\"2429\" data-end=\"2448\">Protection Class: <strong data-start=\"2440\" data-end=\"2448\">IP20<\/strong><\/p>\n<\/li>\n<li data-start=\"2449\" data-end=\"2471\">\n<p data-start=\"2451\" data-end=\"2471\">Overall length: <strong data-start=\"2461\" data-end=\"2471\">500 mm<\/strong><\/p>\n<\/li>\n<li data-start=\"2472\" data-end=\"2494\">\n<p data-start=\"2474\" data-end=\"2494\">Weight: <strong data-start=\"2483\" data-end=\"2494\">3.45 kg<\/strong><\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2501\" data-end=\"2527\">Assembly and Integration<\/h2>\n<p data-start=\"2529\" data-end=\"2703\">Installation is performed by <strong data-start=\"2555\" data-end=\"2602\">placing the unit on the corresponding fan<\/strong> (VA 40 \/ VA 75 \/ VA 150).<br data-start=\"2628\" data-end=\"2631\"\/>The unit is secured by <strong data-start=\"2656\" data-end=\"2687\">screwing or riveting<\/strong>.<\/p>\n<p data-start=\"2705\" data-end=\"2739\">Recommended mounting hardware:<\/p>\n<ul data-start=\"2740\" data-end=\"2815\">\n<li data-start=\"2740\" data-end=\"2758\">\n<p data-start=\"2742\" data-end=\"2758\">Special Clamps<\/p>\n<\/li>\n<li data-start=\"2759\" data-end=\"2781\">\n<p data-start=\"2761\" data-end=\"2781\">Mounting Bracket<\/p>\n<\/li>\n<li data-start=\"2782\" data-end=\"2791\">\n<p data-start=\"2784\" data-end=\"2791\">Anchor<\/p>\n<\/li>\n<li data-start=\"2792\" data-end=\"2815\">\n<p data-start=\"2794\" data-end=\"2815\">Rivets or screws<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2817\" data-end=\"2997\">The air heater can be operated <strong data-start=\"2837\" data-end=\"2855\">with direct exhaust<\/strong> or <strong data-start=\"2861\" data-end=\"2908\">in conjunction with an air distribution duct<\/strong> and can be easily integrated into existing shelter designs.<\/p>\n<h2 data-start=\"3004\" data-end=\"3038\">Operational Benefits<\/h2>\n<ul data-start=\"3040\" data-end=\"3342\">\n<li data-start=\"3040\" data-end=\"3101\">\n<p data-start=\"3042\" data-end=\"3101\">Reliable Heating for Shelters and Bunker Facilities<\/p>\n<\/li>\n<li data-start=\"3102\" data-end=\"3152\">\n<p data-start=\"3104\" data-end=\"3152\">Compatible with VA75 and VA150 gas filtration systems<\/p>\n<\/li>\n<li data-start=\"3153\" data-end=\"3220\">\n<p data-start=\"3155\" data-end=\"3220\">High operational reliability thanks to multi-stage temperature monitoring<\/p>\n<\/li>\n<li data-start=\"3221\" data-end=\"3291\">\n<p data-start=\"3223\" data-end=\"3291\">Rugged, durable design for safety-critical environments<\/p>\n<\/li>\n<li data-start=\"3292\" data-end=\"3342\">\n<p data-start=\"3294\" data-end=\"3342\">Suitable for continuous operation and emergency situations<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><strong data-start=\"303\" data-end=\"342\">Individual consultation<\/strong><\/h3>\n<p>Our experts will help you choose the right air heater for your shelter system. <strong data-start=\"448\" data-end=\"478\">Contact us now<\/strong> to discuss the best solution for your project. <\/p>\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f6374-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"6374\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/en\/wp-json\/wp\/v2\/product\/7962#wpcf7-f6374-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"6374\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.2.2\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f6374-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/><input type=\"hidden\" name=\"_wpcf7cf_hidden_group_fields\" value=\"[]\" \/><input type=\"hidden\" name=\"_wpcf7cf_hidden_groups\" value=\"[]\" \/><input type=\"hidden\" name=\"_wpcf7cf_visible_groups\" value=\"[]\" \/><input type=\"hidden\" name=\"_wpcf7cf_repeaters\" value=\"[]\" \/><input type=\"hidden\" name=\"_wpcf7cf_steps\" value=\"{}\" \/><input type=\"hidden\" name=\"_wpcf7cf_options\" value=\"{&quot;form_id&quot;:6374,&quot;conditions&quot;:[],&quot;settings&quot;:{&quot;animation&quot;:&quot;yes&quot;,&quot;animation_intime&quot;:200,&quot;animation_outtime&quot;:200,&quot;conditions_ui&quot;:&quot;normal&quot;,&quot;notice_dismissed&quot;:false,&quot;repeater_remove_button&quot;:&quot;bottom&quot;}}\" \/><input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/fieldset>\n<p><label> Name *<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span><br \/>\n<\/label>\n<\/p>\n<p><label> Email address *<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span><br \/>\n<\/label>\n<\/p>\n<p><label> Phone number (optional)<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-phone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-text wpcf7-validates-as-tel\" autocomplete=\"tel\" aria-invalid=\"false\" value=\"\" type=\"tel\" name=\"your-phone\" \/><\/span><br \/>\n<\/label>\n<\/p>\n<p><label> Subject *<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"Product Inquiry \/ Consultation\" type=\"text\" name=\"your-subject\" \/><\/span><br \/>\n<\/label>\n<\/p>\n<p><label> Your inquiry<br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" name=\"your-message\"><\/textarea><\/span><br \/>\n<\/label>\n<\/p>\n<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Send Inquiry\" \/>\n<\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Air heaters for VA75 and VA150 gas filtration systems, designed for the reliable heating of shelters and bunker facilities. Sturdy construction featuring a safety thermostat, over-temperature protection, and a check valve. Suitable for use in safety-critical ventilation systems.  <\/p>\n","protected":false},"featured_media":1158,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[307],"product_tag":[],"giftcard-category":[],"class_list":["post-7962","product","type-product","status-publish","has-post-thumbnail","product_cat-filter-systems-and-valves","first","instock","sold-individually","taxable","shipping-taxable","purchasable","product-type-variable","add-to-wishlist-after_add_to_cart","has-product-safety-information"],"_links":{"self":[{"href":"https:\/\/www.bunker-bssd.de\/en\/wp-json\/wp\/v2\/product\/7962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bunker-bssd.de\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.bunker-bssd.de\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bunker-bssd.de\/en\/wp-json\/wp\/v2\/comments?post=7962"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bunker-bssd.de\/en\/wp-json\/wp\/v2\/media\/1158"}],"wp:attachment":[{"href":"https:\/\/www.bunker-bssd.de\/en\/wp-json\/wp\/v2\/media?parent=7962"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.bunker-bssd.de\/en\/wp-json\/wp\/v2\/product_brand?post=7962"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.bunker-bssd.de\/en\/wp-json\/wp\/v2\/product_cat?post=7962"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.bunker-bssd.de\/en\/wp-json\/wp\/v2\/product_tag?post=7962"},{"taxonomy":"giftcard-category","embeddable":true,"href":"https:\/\/www.bunker-bssd.de\/en\/wp-json\/wp\/v2\/giftcard-category?post=7962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}