{"id":10,"date":"2026-10-03T00:07:54","date_gmt":"2026-10-02T06:48:30","guid":{"rendered":"https:\/\/block.ltheme.com\/lt-plumbline\/how-to-bleed-a-radiator\/"},"modified":"2026-10-15T00:07:54","modified_gmt":"2026-10-15T00:07:54","slug":"how-to-bleed-a-radiator","status":"publish","type":"post","link":"https:\/\/block.ltheme.com\/lt-plumbline\/how-to-bleed-a-radiator\/","title":{"rendered":"How to bleed a radiator"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">When air gets trapped in a radiator, the top stays cold while the bottom is warm. Letting the air out, called bleeding the radiator, helps it heat the room properly again.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">You will need<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A radiator key (from a hardware shop) or a flat screwdriver, depending on the valve<\/li>\n\n<li>An old cloth or towel<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Step by step<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Turn the heating off and wait until the radiators are cool.<\/li>\n\n<li>Hold the cloth under the bleed valve at the top corner of the radiator.<\/li>\n\n<li>Turn the key slowly anticlockwise, about a quarter turn. You will hear a hiss as the air escapes.<\/li>\n\n<li>When water starts to come out, close the valve again.<\/li>\n\n<li>Check the pressure gauge on your boiler. If it has dropped below the level in your boiler manual, top it up as the manual explains, or ask your heating engineer.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">If a radiator still stays cold, or you have to bleed it every few weeks, there may be a bigger problem in the system. Book a heating engineer to take a look.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Radiator cold at the top and warm at the bottom? Trapped air is the usual cause, and bleeding it takes ten minutes.<\/p>\n","protected":false},"author":0,"featured_media":19,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/block.ltheme.com\/lt-plumbline\/wp-json\/wp\/v2\/posts\/10","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/block.ltheme.com\/lt-plumbline\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/block.ltheme.com\/lt-plumbline\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/block.ltheme.com\/lt-plumbline\/wp-json\/wp\/v2\/comments?post=10"}],"version-history":[{"count":1,"href":"https:\/\/block.ltheme.com\/lt-plumbline\/wp-json\/wp\/v2\/posts\/10\/revisions"}],"predecessor-version":[{"id":28,"href":"https:\/\/block.ltheme.com\/lt-plumbline\/wp-json\/wp\/v2\/posts\/10\/revisions\/28"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/block.ltheme.com\/lt-plumbline\/wp-json\/wp\/v2\/media\/19"}],"wp:attachment":[{"href":"https:\/\/block.ltheme.com\/lt-plumbline\/wp-json\/wp\/v2\/media?parent=10"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/block.ltheme.com\/lt-plumbline\/wp-json\/wp\/v2\/categories?post=10"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/block.ltheme.com\/lt-plumbline\/wp-json\/wp\/v2\/tags?post=10"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}