{"id":476,"date":"2014-05-23T21:46:26","date_gmt":"2014-05-24T01:46:26","guid":{"rendered":"http:\/\/barrieheatingcooling.ca\/blog\/?p=476"},"modified":"2026-05-04T11:56:49","modified_gmt":"2026-05-04T15:56:49","slug":"warning-cracked-water-heater-venting","status":"publish","type":"post","link":"https:\/\/barrieheatingcooling.ca\/blog\/warning-cracked-water-heater-venting\/","title":{"rendered":"Warning!! Cracked water heater venting"},"content":{"rendered":"<p>WARNING! We are coming across a lot of the ABS venting on power-vented <a href=\"\/hvac-services\/water-heaters\">water heaters<\/a> that is cracked. If you have a water heater with ABS coming off the top, please take the time to inspect for visible cracks in the first 90 or 45 degree fitting. That pipe is responsible for exhausting harmful fumes outside and if it has a crack it will allow those deadly off-gases (Carbon Monoxide) into your home. The have changed the code so that new <a href=\"\/hvac-services\/furnaces-barrie\">furnaces<\/a> and <a href=\"\/hvac-services\/water-heaters\">water heaters<\/a> require a specific PVC venting material that is resistant to temperature fluctuations, however the old ABS is allowed to remain on older units until the unit is replaced or the ABS requires repair. At that point the entire venting system requires the upgrade to PVC.<\/p>\n<p><a style=\"font-size: 15.199999809265137px; font-style: normal; line-height: 19.5px; text-decoration: underline;\" href=\"http:\/\/barrieheatingcooling.ca\/blog\/wp-content\/uploads\/2014\/05\/cracked-venting-2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-477 size-thumbnail\" style=\"border-color: #bbbbbb; background: #eeeeee;\" title=\"cracked venting 2\" src=\"https:\/\/barrieheatingcooling.ca\/blog\/wp-content\/uploads\/2014\/05\/cracked-venting-2-150x150.jpg\" alt=\"Close-up of cracked water heater vent pipe\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<div><span style=\"color: #1b8be0;\"><span style=\"text-decoration: underline;\"><br \/>\n<\/span><\/span><a href=\"http:\/\/barrieheatingcooling.ca\/blog\/wp-content\/uploads\/2014\/05\/cracked-venting.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-478 size-thumbnail\" title=\"cracked venting\" src=\"https:\/\/barrieheatingcooling.ca\/blog\/wp-content\/uploads\/2014\/05\/cracked-venting-150x150.jpg\" alt=\"Damaged water heater venting\" width=\"150\" height=\"150\" \/><\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>WARNING! We are coming across a lot of the ABS venting on power-vented water heaters that is cracked. If you have a water heater with ABS coming off the top, please take the time to inspect for visible cracks in &hellip; <a href=\"https:\/\/barrieheatingcooling.ca\/blog\/warning-cracked-water-heater-venting\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[188,187,168,186],"class_list":["post-476","post","type-post","status-publish","format-standard","hentry","category-water-heaters","tag-carbon-monoxide","tag-safe","tag-venting","tag-water-heaters-2"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Warning!! 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