{"id":7239,"date":"2024-03-10T14:56:15","date_gmt":"2024-03-10T14:56:15","guid":{"rendered":"https:\/\/www.chatteris.biz\/blog\/?p=7239"},"modified":"2025-03-21T09:47:31","modified_gmt":"2025-03-21T09:47:31","slug":"adding-sulphidation-filter-to-gas-boiler","status":"publish","type":"post","link":"https:\/\/www.chatteris.biz\/blog\/adding-sulphidation-filter-to-gas-boiler\/","title":{"rendered":"Adding Sulphidation Filter to Gas Boiler"},"content":{"rendered":"\n<p><em>8 August 2023<\/em><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"576\" src=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/IMG_4982-Medium.jpeg\" alt=\"sulphidation filter and iso valve\" class=\"wp-image-6940\" srcset=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/IMG_4982-Medium.jpeg 768w, https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/IMG_4982-Medium-300x225.jpeg 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n\n\n<p>I was reading about boilers gas valves being blocked with a black dust called Copper Sulphide (Cu<sub>2<\/sub>S), although I have not experienced this with my previous boiler, I thought as my boiler is new, now is the perfect time to get a Sulphidation filter installed, this was installed close as possible to the boilers gas inlet valve, the filter was a 3\/4&#8243; bore version purchased from <a href=\"https:\/\/www.bes.co.uk\/3-4in-bsp-tf-x-tm-sulphidation-filter-6145\/\" target=\"_blank\" rel=\"noreferrer noopener\">BES<\/a>.<\/p>\n\n\n<div class=\"wp-block-image is-style-zoooom\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"839\" height=\"370\" src=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/filterspc.jpg\" alt=\"\" class=\"wp-image-6961\" srcset=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/filterspc.jpg 839w, https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/filterspc-300x132.jpg 300w, https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/filterspc-768x339.jpg 768w\" sizes=\"auto, (max-width: 839px) 100vw, 839px\" \/><\/figure>\n<\/div>\n\n\n<p>The filter simply comprises of a brass body containing a 50 micron (300 mesh) stainless steel sieve which enables gas to flow, but captures particulates larger than the sieve size.<\/p>\n\n\n\n<p>The body of the filter can be separated to clean the sieve, the sealing &#8216;O&#8217; ring is made from Nitrile Rubber and is a type BS215 &#8216;O&#8217; ring.<\/p>\n\n\n\n<p>The Sulphidation process can not be stopped as natural gas contains varying amounts of Hydrogen Sulphide (H<sub>2<\/sub>S) as this reacts with the Copper (Cu) pipe, (iron pipes are also affected as a point of interest), as the reaction is within the pipe, the filter must be close to the appliance.<\/p>\n\n\n\n<p>A filter downstream of the appliance, for example directly after the gas meter, will be ineffective.<\/p>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-8cf370e7 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-file alignleft\"><a id=\"wp-block-file--media-c7b74d61-23d4-4f23-b6fc-86aae26bd43d\" href=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/TB-0105.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">TB-0105 (Ireland Publication)<\/a><a href=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/TB-0105.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-c7b74d61-23d4-4f23-b6fc-86aae26bd43d\">Download<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-8cf370e7 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-file alignleft\"><a id=\"wp-block-file--media-ac21e04a-1e0d-43d8-871c-631af3761361\" href=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/IMG_0903.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Gas Engineer Article on this subject<\/a><a href=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/IMG_0903.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-ac21e04a-1e0d-43d8-871c-631af3761361\">Download<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-file alignleft\"><a id=\"wp-block-file--media-685f2f4f-1c41-47e2-b141-0837f089a376\" href=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/bs-6891-2015-installation-and-maintenance-of-pipework-of-up-to-35mm.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">BS-6891-2015 (see page 81) Gas Pipework<\/a><a href=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/bs-6891-2015-installation-and-maintenance-of-pipework-of-up-to-35mm.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-685f2f4f-1c41-47e2-b141-0837f089a376\">Download<\/a><\/div>\n\n\n\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/IMG_4992-Medium.jpeg\" alt=\"sulphidation filter installed\" class=\"wp-image-6948\" srcset=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/IMG_4992-Medium.jpeg 1024w, https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/IMG_4992-Medium-300x225.jpeg 300w, https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/IMG_4992-Medium-768x576.jpeg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>Installed Sulphidation filter directly below the gas inlet valve to the boiler, a butterfly, full bore,  gas isolation valve was also fitted for future filter maintenance.<\/p>\n\n\n\n<p>Hopefully this additional step will reduce the likelihood of premature boiler failure.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>8 August 2023 I was reading about boilers gas valves being blocked with a black dust called Copper Sulphide (Cu2S), although I have not experienced this with my previous boiler, I thought as my boiler is new, now is the perfect time to get a Sulphidation filter installed, this was installed close as possible to &hellip; <a href=\"https:\/\/www.chatteris.biz\/blog\/adding-sulphidation-filter-to-gas-boiler\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Adding Sulphidation Filter to Gas Boiler<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[334],"tags":[482,483,465],"class_list":["post-7239","post","type-post","status-publish","format-standard","hentry","category-plumbing-heating","tag-gas-boiler","tag-gas-filter","tag-sulphidation-filter"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Adding Sulphidation Filter to Gas Boiler - My Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.chatteris.biz\/blog\/adding-sulphidation-filter-to-gas-boiler\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Adding Sulphidation Filter to Gas Boiler - My Blog\" \/>\n<meta property=\"og:description\" content=\"8 August 2023 I was reading about boilers gas valves being blocked with a black dust called Copper Sulphide (Cu2S), although I have not experienced this with my previous boiler, I thought as my boiler is new, now is the perfect time to get a Sulphidation filter installed, this was installed close as possible to &hellip; Continue reading Adding Sulphidation Filter to Gas Boiler &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.chatteris.biz\/blog\/adding-sulphidation-filter-to-gas-boiler\/\" \/>\n<meta property=\"og:site_name\" content=\"My Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/search\/top\/?q=chatterisweather\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/search\/top\/?q=chatterisweather\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-10T14:56:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-21T09:47:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.chatteris.biz\/blog\/wp-content\/uploads\/2023\/08\/IMG_4982-Medium.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"768\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Ian\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@chatterisdotbiz\" \/>\n<meta name=\"twitter:site\" content=\"@chatterisdotbiz\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ian\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.chatteris.biz\\\/blog\\\/adding-sulphidation-filter-to-gas-boiler\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.chatteris.biz\\\/blog\\\/adding-sulphidation-filter-to-gas-boiler\\\/\"},\"author\":{\"name\":\"Ian\",\"@id\":\"https:\\\/\\\/www.chatteris.biz\\\/blog\\\/#\\\/schema\\\/person\\\/8c24a0b1bf9624c7f930fe2f3a5b5f37\"},\"headline\":\"Adding Sulphidation Filter to Gas Boiler\",\"datePublished\":\"2024-03-10T14:56:15+00:00\",\"dateModified\":\"2025-03-21T09:47:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.chatteris.biz\\\/blog\\\/adding-sulphidation-filter-to-gas-boiler\\\/\"},\"wordCount\":253,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.chatteris.biz\\\/blog\\\/#\\\/schema\\\/person\\\/8c24a0b1bf9624c7f930fe2f3a5b5f37\"},\"image\":{\"@id\":\"https:\\\/\\\/www.chatteris.biz\\\/blog\\\/adding-sulphidation-filter-to-gas-boiler\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.chatteris.biz\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/08\\\/IMG_4982-Medium.jpeg\",\"keywords\":[\"gas boiler\",\"gas filter\",\"sulphidation filter\"],\"articleSection\":[\"Plumbing &amp; 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