{"id":272,"date":"2023-11-20T23:22:23","date_gmt":"2023-11-21T04:22:23","guid":{"rendered":"https:\/\/www.atlantisplumbing.com\/articles\/?p=272"},"modified":"2024-01-01T15:10:53","modified_gmt":"2024-01-01T20:10:53","slug":"do-water-heater-expansion-tanks-go-bad","status":"publish","type":"post","link":"https:\/\/www.atlantisplumbing.com\/articles\/do-water-heater-expansion-tanks-go-bad\/","title":{"rendered":"Do Water Heater Expansion Tanks Go Bad?"},"content":{"rendered":"\n<p>In Georgia, water heater expansion tanks (aka Thermal expansion tanks) are required on new water heaters.<\/p>\n\n\n\n<p>Like most appliances in your home &#8211; expansion tanks do have a lifespan so at some point &#8211; they will need to be replaced. The average lifespan of an expansion tank is between 5 to 10 years.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Is An Expansion Tank?<\/h2>\n\n\n\n<p>Let&#8217;s start with the basics &#8211; most homeowners (especially new homeowners) have no idea what an expansion tank is, what it does and why they would even need one.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>An expansion tank is usually a small tank that is connected to your water heater.<\/li>\n\n\n\n<li>It&#8217;s purpose is to prevent the water pressure level in your home from getting too high. It acts as a safety device to help you minimize the risk of damage to your hot water tank.<\/li>\n\n\n\n<li>High water pressure can cause leaky pipes, leaky fixtures, pipes to explode which end up causing premature failure of faucets and fixtures.<\/li>\n\n\n\n<li>An expansion tank is divided into two section:\n<ul class=\"wp-block-list\">\n<li>The top section is where the water flows through<\/li>\n\n\n\n<li>The bottom section holds pressured air<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Normally, expansion tanks work without a problem. But, as we stated earlier, like any other piece of equipment &#8211; they do have a limited lifespan.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How To Tell If Your Expansion Tank Has Gone Bad<\/h2>\n\n\n\n<p>Here are the signs to look for to identify if your thermal expansion tank is in need of being replaced.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If you notice any dripping water from the expansion tank, you need a new one.<\/li>\n\n\n\n<li>Check the air valve on the tank with an air gauge instrument. If you notice water bleeding out of the air valve &#8211; then you need to replace the tank.<\/li>\n\n\n\n<li>You may notice little black flecks in your toilet water &#8211; this may be a sign for a new tank.<\/li>\n\n\n\n<li>If you tap on the tank you should hear a hollow sound. If you don&#8217;t and you heard a &#8220;thud&#8221; type of sound &#8211; it may need replacing.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>If you have any questions about your water heater&#8217;s expansion tank, call the Atlanta plumbers &#8211; Atlantis Plumbing today at&nbsp;<a href=\"tel:+17705058570\">770-505-8570<\/a>. We are available 24 hours a day, 7 days a week.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Georgia, water heater expansion tanks (aka Thermal expansion tanks) are required on new water heaters. Like most appliances in your home &#8211; expansion tanks do have a lifespan so at some point &#8211; they will need to be replaced. The average lifespan of an expansion tank is between 5 to 10 years. What Is [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":273,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-272","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Do Water Heater Expansion Tanks Go Bad? | Atlanta Ga Plumbers<\/title>\n<meta name=\"description\" content=\"Like most other household appliances, water heater expansion tanks (aka therman expansion tanks) can go bad. 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