{"id":579,"date":"2026-04-22T10:42:24","date_gmt":"2026-04-21T22:42:24","guid":{"rendered":"https:\/\/geckogullydemos.com\/mjr\/?post_type=mjr-faq&p=579"},"modified":"2026-05-27T18:25:01","modified_gmt":"2026-05-27T06:25:01","slug":"faulty-backflow-device-signs","status":"publish","type":"mjr-faq","link":"https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/faulty-backflow-device-signs\/","title":{"rendered":"What are the signs of a faulty backflow device?"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"

Faulty backflow devices in Christchurch may show leaks, pressure changes, unusual noises, or failed testing results.<\/p>\n","protected":false},"featured_media":227,"parent":0,"menu_order":0,"template":"","meta":[],"categories":[29],"tags":[100,189,190,99,183,21],"class_list":["post-579","mjr-faq","type-mjr-faq","status-publish","has-post-thumbnail","hentry","category-backflow-prevention-testing","tag-backflow-compliance-christchurch","tag-backflow-device-faulty","tag-backflow-problems-christchurch","tag-backflow-testing-christchurch","tag-christchurch-plumbing-safety","tag-plumbing-maintenance-christchurch","has-post-title","has-post-date","has-post-category","has-post-tag","has-post-comment","has-post-author",""],"yoast_head":"\nWhat are the signs of a faulty backflow device? - MJ Robertson Plumbing and Gas<\/title>\n<meta name=\"description\" content=\"Faulty backflow devices in Christchurch may show leaks, pressure changes, unusual noises, or failed testing results.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the signs of a faulty backflow device? - MJ Robertson Plumbing and Gas\" \/>\n<meta property=\"og:description\" content=\"Faulty backflow devices in Christchurch may show leaks, pressure changes, unusual noises, or failed testing results.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/faulty-backflow-device-signs\/\" \/>\n<meta property=\"og:site_name\" content=\"MJ Robertson Plumbing and Gas\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-27T06:25:01+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/mjr-faq\\\/faulty-backflow-device-signs\\\/\",\"url\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/mjr-faq\\\/faulty-backflow-device-signs\\\/\",\"name\":\"What are the signs of a faulty backflow device? - MJ Robertson Plumbing and Gas\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/mjr-faq\\\/faulty-backflow-device-signs\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/mjr-faq\\\/faulty-backflow-device-signs\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/MJ.png\",\"datePublished\":\"2026-04-21T22:42:24+00:00\",\"dateModified\":\"2026-05-27T06:25:01+00:00\",\"description\":\"Faulty backflow devices in Christchurch may show leaks, pressure changes, unusual noises, or failed testing results.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/mjr-faq\\\/faulty-backflow-device-signs\\\/#breadcrumb\"},\"inLanguage\":\"en-NZ\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/mjr-faq\\\/faulty-backflow-device-signs\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-NZ\",\"@id\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/mjr-faq\\\/faulty-backflow-device-signs\\\/#primaryimage\",\"url\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/MJ.png\",\"contentUrl\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/MJ.png\",\"width\":535,\"height\":487},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/mjr-faq\\\/faulty-backflow-device-signs\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"MJR FAQs\",\"item\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/mjr-faq\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"What are the signs of a faulty backflow device?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/#website\",\"url\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/\",\"name\":\"MJ Robertson Plumbing and Gas\",\"description\":\"Your Property Partner Across Christchurch - Day or Night Since 1955\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/geckogullydemos.com\\\/mjr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-NZ\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What are the signs of a faulty backflow device? - MJ Robertson Plumbing and Gas","description":"Faulty backflow devices in Christchurch may show leaks, pressure changes, unusual noises, or failed testing results.","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"What are the signs of a faulty backflow device? - MJ Robertson Plumbing and Gas","og_description":"Faulty backflow devices in Christchurch may show leaks, pressure changes, unusual noises, or failed testing results.","og_url":"https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/faulty-backflow-device-signs\/","og_site_name":"MJ Robertson Plumbing and Gas","article_modified_time":"2026-05-27T06:25:01+00:00","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/faulty-backflow-device-signs\/","url":"https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/faulty-backflow-device-signs\/","name":"What are the signs of a faulty backflow device? - MJ Robertson Plumbing and Gas","isPartOf":{"@id":"https:\/\/geckogullydemos.com\/mjr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/faulty-backflow-device-signs\/#primaryimage"},"image":{"@id":"https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/faulty-backflow-device-signs\/#primaryimage"},"thumbnailUrl":"https:\/\/geckogullydemos.com\/mjr\/wp-content\/uploads\/2026\/04\/MJ.png","datePublished":"2026-04-21T22:42:24+00:00","dateModified":"2026-05-27T06:25:01+00:00","description":"Faulty backflow devices in Christchurch may show leaks, pressure changes, unusual noises, or failed testing results.","breadcrumb":{"@id":"https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/faulty-backflow-device-signs\/#breadcrumb"},"inLanguage":"en-NZ","potentialAction":[{"@type":"ReadAction","target":["https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/faulty-backflow-device-signs\/"]}]},{"@type":"ImageObject","inLanguage":"en-NZ","@id":"https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/faulty-backflow-device-signs\/#primaryimage","url":"https:\/\/geckogullydemos.com\/mjr\/wp-content\/uploads\/2026\/04\/MJ.png","contentUrl":"https:\/\/geckogullydemos.com\/mjr\/wp-content\/uploads\/2026\/04\/MJ.png","width":535,"height":487},{"@type":"BreadcrumbList","@id":"https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/faulty-backflow-device-signs\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/geckogullydemos.com\/mjr\/"},{"@type":"ListItem","position":2,"name":"MJR FAQs","item":"https:\/\/geckogullydemos.com\/mjr\/mjr-faq\/"},{"@type":"ListItem","position":3,"name":"What are the signs of a faulty backflow device?"}]},{"@type":"WebSite","@id":"https:\/\/geckogullydemos.com\/mjr\/#website","url":"https:\/\/geckogullydemos.com\/mjr\/","name":"MJ Robertson Plumbing and Gas","description":"Your Property Partner Across Christchurch - Day or Night Since 1955","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/geckogullydemos.com\/mjr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-NZ"}]}},"ptb_metabox":{"ptb_mjr_service_text_1":"<p><strong>TL;DR:<\/strong> Signs of a faulty backflow device in Christchurch can include changes in water pressure, visible leaks, unusual noises, or failed test results. Because these devices are safety components, faults are not always obvious and may require testing to confirm.<\/p>\r\n<h2>Why faults are not always obvious<\/h2>\r\n<p>Backflow devices are designed to operate automatically.<\/p>\r\n<p>They only activate under certain conditions, such as pressure changes.<\/p>\r\n<p>This means a device can appear normal even if it is not working correctly.<\/p>\r\n<h2>Common signs of a faulty backflow device<\/h2>\r\n<h3>Visible leaks around the device<\/h3>\r\n<p>Water leaking from or around the device can indicate worn seals or internal issues.<\/p>\r\n<p>This may be noticeable as dripping or dampness near the unit.<\/p>\r\n<h3>Changes in water pressure<\/h3>\r\n<p>A faulty device may affect water flow, leading to reduced or inconsistent pressure.<\/p>\r\n<p>This can sometimes be noticed across multiple outlets.<\/p>\r\n<h3>Unusual noises<\/h3>\r\n<p>Sounds such as hissing, banging, or vibration near the device can indicate internal problems.<\/p>\r\n<p>These noises may occur when water is flowing or when pressure changes.<\/p>\r\n<h3>Failed backflow test<\/h3>\r\n<p>The most reliable way to identify a fault is through testing.<\/p>\r\n<p>If a device fails a test, it is not operating as required.<\/p>\r\n<h3>Age and wear<\/h3>\r\n<p>Older devices may develop faults over time due to normal wear and tear.<\/p>\r\n<p>This can affect their ability to function correctly.<\/p>\r\n<h2>Why faults should be addressed<\/h2>\r\n<p>A faulty backflow device may not prevent contaminated water from entering the supply.<\/p>\r\n<p>This can affect both your property and the wider water system.<\/p>","ptb_mjr_ask_mj":"<p><strong>If it hasn't been tested, you don't really know if it's working.<\/strong><\/p>\r\n<p>That is why regular checks are important.<\/p>","ptb_mjr_service_text_2":"<h2>How MJ Robertson approaches backflow issues<\/h2>\r\n<p>MJ Robertson is a maintenance company specialising in plumbing across Christchurch.<\/p>\r\n<p>When a backflow device is suspected to be faulty, the focus is on confirming its condition and restoring proper function.<\/p>\r\n<p>This may involve:<\/p>\r\n<ul>\r\n<li>Inspecting the device and connections<\/li>\r\n<li>Testing to confirm performance<\/li>\r\n<li>Repairing or replacing components as needed<\/li>\r\n<\/ul>\r\n<p>The aim is to ensure the system continues to protect the water supply.<\/p>\r\n<h2>When to arrange a check<\/h2>\r\n<p>It is worth arranging an assessment if:<\/p>\r\n<ul>\r\n<li>You notice leaks or unusual behaviour<\/li>\r\n<li>Your device has not been tested recently<\/li>\r\n<li>You manage a property with compliance requirements<\/li>\r\n<\/ul>\r\n<p>Regular testing provides reassurance that the system is working.<\/p>\r\n<h2>Final thought<\/h2>\r\n<p>Signs of a faulty backflow device in Christchurch can be subtle, but they should not be ignored.<\/p>\r\n<p>Testing and inspection are the best ways to confirm that the device is working correctly.<\/p>"},"ptb_taxonomy":{"category":[{"term_id":29,"name":"Backflow Prevention & Testing","slug":"backflow-prevention-testing","term_group":0,"term_taxonomy_id":29,"taxonomy":"category","description":"Backflow prevention in Christchurch. What it is, why it matters, how devices work and when testing or repairs may be needed.","parent":28,"count":9,"filter":"raw"}],"post_tag":[{"term_id":100,"name":"backflow compliance Christchurch","slug":"backflow-compliance-christchurch","term_group":0,"term_taxonomy_id":100,"taxonomy":"post_tag","description":"","parent":0,"count":5,"filter":"raw"},{"term_id":189,"name":"backflow device faulty","slug":"backflow-device-faulty","term_group":0,"term_taxonomy_id":189,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":190,"name":"backflow problems Christchurch","slug":"backflow-problems-christchurch","term_group":0,"term_taxonomy_id":190,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":99,"name":"backflow testing Christchurch","slug":"backflow-testing-christchurch","term_group":0,"term_taxonomy_id":99,"taxonomy":"post_tag","description":"","parent":0,"count":9,"filter":"raw"},{"term_id":183,"name":"Christchurch plumbing safety","slug":"christchurch-plumbing-safety","term_group":0,"term_taxonomy_id":183,"taxonomy":"post_tag","description":"","parent":0,"count":5,"filter":"raw"},{"term_id":21,"name":"plumbing maintenance Christchurch","slug":"plumbing-maintenance-christchurch","term_group":0,"term_taxonomy_id":21,"taxonomy":"post_tag","description":"","parent":0,"count":93,"filter":"raw"}]},"ptb_featured_image":{"url":"https:\/\/geckogullydemos.com\/mjr\/wp-content\/uploads\/2026\/04\/MJ.png","title":"MJ","caption":""},"builder_content":"","_links":{"self":[{"href":"https:\/\/geckogullydemos.com\/mjr\/wp-json\/wp\/v2\/mjr-faq\/579","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geckogullydemos.com\/mjr\/wp-json\/wp\/v2\/mjr-faq"}],"about":[{"href":"https:\/\/geckogullydemos.com\/mjr\/wp-json\/wp\/v2\/types\/mjr-faq"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geckogullydemos.com\/mjr\/wp-json\/wp\/v2\/media\/227"}],"wp:attachment":[{"href":"https:\/\/geckogullydemos.com\/mjr\/wp-json\/wp\/v2\/media?parent=579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geckogullydemos.com\/mjr\/wp-json\/wp\/v2\/categories?post=579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geckogullydemos.com\/mjr\/wp-json\/wp\/v2\/tags?post=579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}