{"id":29,"date":"2013-04-03T08:38:11","date_gmt":"2013-04-03T12:38:11","guid":{"rendered":"http:\/\/firealarmsboston.com\/?page_id=29"},"modified":"2014-08-07T08:01:16","modified_gmt":"2014-08-07T12:01:16","slug":"flow-and-tamper-switches","status":"publish","type":"page","link":"http:\/\/www.firealarmsboston.com\/?page_id=29","title":{"rendered":"Flow and Tamper Switches"},"content":{"rendered":"<p><strong>Flow switches and tamper switches are devices used on sprinkler systems. Flow switches detect water movement or drop in pressure, and activate alarms. Tamper switches detect when a sprinkler valve has been partially to fully closed and usually activates a trouble signal at the control, although some cities require them activate alarms. Check with your local fire dept for their requirements.<\/strong><\/p>\n<figure id=\"attachment_91\" aria-describedby=\"caption-attachment-91\" style=\"width: 250px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/i0.wp.com\/firealarmsboston.com\/wp-content\/uploads\/2013\/04\/WFD20.jpg\"><img loading=\"lazy\" class=\"size-full wp-image-91\" alt=\"Flowswitch\" src=\"https:\/\/i0.wp.com\/firealarmsboston.com\/wp-content\/uploads\/2013\/04\/WFD20.jpg?resize=250%2C250\" width=\"250\" height=\"250\" srcset=\"https:\/\/i0.wp.com\/www.firealarmsboston.com\/wp-content\/uploads\/2013\/04\/WFD20.jpg?w=250 250w, https:\/\/i0.wp.com\/www.firealarmsboston.com\/wp-content\/uploads\/2013\/04\/WFD20.jpg?resize=150%2C150 150w\" sizes=\"(max-width: 250px) 100vw, 250px\" data-recalc-dims=\"1\" \/><\/a><figcaption id=\"caption-attachment-91\" class=\"wp-caption-text\">Flowswitch<\/figcaption><\/figure>\n<div class=\"mceTemp\">\n<figure id=\"attachment_92\" aria-describedby=\"caption-attachment-92\" style=\"width: 250px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/i0.wp.com\/firealarmsboston.com\/wp-content\/uploads\/2013\/04\/EPS10-1.jpg\"><img loading=\"lazy\" class=\"size-full wp-image-92\" alt=\"Waterflow\/pressure switch\" src=\"https:\/\/i0.wp.com\/firealarmsboston.com\/wp-content\/uploads\/2013\/04\/EPS10-1.jpg?resize=250%2C250\" width=\"250\" height=\"250\" srcset=\"https:\/\/i0.wp.com\/www.firealarmsboston.com\/wp-content\/uploads\/2013\/04\/EPS10-1.jpg?w=250 250w, https:\/\/i0.wp.com\/www.firealarmsboston.com\/wp-content\/uploads\/2013\/04\/EPS10-1.jpg?resize=150%2C150 150w\" sizes=\"(max-width: 250px) 100vw, 250px\" data-recalc-dims=\"1\" \/><\/a><figcaption id=\"caption-attachment-92\" class=\"wp-caption-text\">Waterflow\/pressure switch<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<\/div>\n<figure id=\"attachment_93\" aria-describedby=\"caption-attachment-93\" style=\"width: 250px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/i0.wp.com\/firealarmsboston.com\/wp-content\/uploads\/2013\/04\/OSY2.jpg\"><img loading=\"lazy\" class=\"size-full wp-image-93\" alt=\"Tamper switch\" src=\"https:\/\/i0.wp.com\/firealarmsboston.com\/wp-content\/uploads\/2013\/04\/OSY2.jpg?resize=250%2C250\" width=\"250\" height=\"250\" srcset=\"https:\/\/i0.wp.com\/www.firealarmsboston.com\/wp-content\/uploads\/2013\/04\/OSY2.jpg?w=250 250w, https:\/\/i0.wp.com\/www.firealarmsboston.com\/wp-content\/uploads\/2013\/04\/OSY2.jpg?resize=150%2C150 150w\" sizes=\"(max-width: 250px) 100vw, 250px\" data-recalc-dims=\"1\" \/><\/a><figcaption id=\"caption-attachment-93\" class=\"wp-caption-text\">Tamper switch<\/figcaption><\/figure>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-icon-text sd-sharing\"><h3 class=\"sd-title\">Share this:<\/h3><div class=\"sd-content\"><ul><li class=\"share-print\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" 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class=\"share-tumblr\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-tumblr sd-button share-icon\" href=\"http:\/\/www.firealarmsboston.com\/?page_id=29&amp;share=tumblr\" target=\"_blank\" title=\"Click to share on Tumblr\"><span>Tumblr<\/span><\/a><\/li><li class=\"share-end\"><\/li><li class=\"share-pocket\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-pocket sd-button share-icon\" href=\"http:\/\/www.firealarmsboston.com\/?page_id=29&amp;share=pocket\" target=\"_blank\" title=\"Click to share on Pocket\"><span>Pocket<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Flow switches and tamper switches are devices used on sprinkler systems. Flow switches detect water movement or drop in pressure, and activate alarms. Tamper switches detect when a sprinkler valve has been partially to fully closed and usually activates a trouble signal at the control, although some cities require them activate alarms. Check with your &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.firealarmsboston.com\/?page_id=29\" class=\"read-more\">Read More<span class=\"screen-reader-text\"> &#8220;Flow and Tamper Switches&#8221;<\/span><\/a><\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-icon-text sd-sharing\"><h3 class=\"sd-title\">Share this:<\/h3><div class=\"sd-content\"><ul><li class=\"share-print\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-print sd-button share-icon\" href=\"http:\/\/www.firealarmsboston.com\/?page_id=29\" target=\"_blank\" title=\"Click to print\"><span>Print<\/span><\/a><\/li><li class=\"share-facebook\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-facebook-29\" class=\"share-facebook sd-button share-icon\" href=\"http:\/\/www.firealarmsboston.com\/?page_id=29&amp;share=facebook\" target=\"_blank\" title=\"Click to share on Facebook\"><span>Facebook<\/span><\/a><\/li><li class=\"share-linkedin\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-linkedin-29\" class=\"share-linkedin sd-button share-icon\" href=\"http:\/\/www.firealarmsboston.com\/?page_id=29&amp;share=linkedin\" target=\"_blank\" title=\"Click to share on LinkedIn\"><span>LinkedIn<\/span><\/a><\/li><li class=\"share-twitter\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-twitter-29\" class=\"share-twitter sd-button share-icon\" href=\"http:\/\/www.firealarmsboston.com\/?page_id=29&amp;share=twitter\" target=\"_blank\" title=\"Click to share on Twitter\"><span>Twitter<\/span><\/a><\/li><li class=\"share-pinterest\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-pinterest-29\" class=\"share-pinterest sd-button share-icon\" href=\"http:\/\/www.firealarmsboston.com\/?page_id=29&amp;share=pinterest\" target=\"_blank\" title=\"Click to share on Pinterest\"><span>Pinterest<\/span><\/a><\/li><li><a href=\"#\" class=\"sharing-anchor sd-button share-more\"><span>More<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><div class=\"sharing-hidden\"><div class=\"inner\" style=\"display: none;\"><ul><li class=\"share-reddit\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-reddit sd-button share-icon\" href=\"http:\/\/www.firealarmsboston.com\/?page_id=29&amp;share=reddit\" target=\"_blank\" title=\"Click to share on Reddit\"><span>Reddit<\/span><\/a><\/li><li class=\"share-tumblr\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-tumblr sd-button share-icon\" href=\"http:\/\/www.firealarmsboston.com\/?page_id=29&amp;share=tumblr\" target=\"_blank\" title=\"Click to share on Tumblr\"><span>Tumblr<\/span><\/a><\/li><li class=\"share-end\"><\/li><li class=\"share-pocket\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-pocket sd-button share-icon\" href=\"http:\/\/www.firealarmsboston.com\/?page_id=29&amp;share=pocket\" target=\"_blank\" title=\"Click to share on Pocket\"><span>Pocket<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div><\/div><\/div>","protected":false},"author":1,"featured_media":0,"parent":16,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"spay_email":""},"jetpack_shortlink":"https:\/\/wp.me\/P3k9h9-t","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":27,"url":"http:\/\/www.firealarmsboston.com\/?page_id=27","url_meta":{"origin":29,"position":0},"title":"Monitor Modules","date":"April 3, 2013","format":false,"excerpt":"Monitor modules are used on addressable fire alarm panels to allow for mechanical devices or switches to activate alarms or troubles. Common applications are sprinkler flow switches and tamper switches.","rel":"","context":"Similar post","img":{"alt_text":"Monitor Module","src":"https:\/\/i0.wp.com\/firealarmsboston.com\/wp-content\/uploads\/2013\/04\/mmf300.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":21,"url":"http:\/\/www.firealarmsboston.com\/?page_id=21","url_meta":{"origin":29,"position":1},"title":"Heat Detectors","date":"April 3, 2013","format":false,"excerpt":"Heat detectors detect heat. There are two kinds of detection, fixed and rate of rise. Some detectors are a combination of both. Fixed temperature means when a set temperature is reached the device will activate alarms. The common temperatures for these are 135 and 194 degrees. Rate of rise is\u2026","rel":"","context":"Similar post","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/firealarmsboston.com\/wp-content\/uploads\/2013\/04\/5151.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":45,"url":"http:\/\/www.firealarmsboston.com\/?page_id=45","url_meta":{"origin":29,"position":2},"title":"Duct Detectors","date":"April 3, 2013","format":false,"excerpt":"Duct detectors are devices installed on ventillation systems ducts that detect the presence of smoke and send out a trouble signal when activated, while shutting down the hvac unit the duct is attached to. 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Photoelectric detectors use obscuration, meaning after a certain drop in voltage at the light sensor\u2026","rel":"","context":"Similar post","img":{"alt_text":"Multisensor detector","src":"https:\/\/i0.wp.com\/firealarmsboston.com\/wp-content\/uploads\/2013\/04\/ad355-1024x633.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":13,"url":"http:\/\/www.firealarmsboston.com\/?page_id=13","url_meta":{"origin":29,"position":4},"title":"Fire Alarm Systems Basics","date":"April 3, 2013","format":false,"excerpt":"Fire alarm systems are a combination of initiation devices tied into a main control panel. Any initiation device\u00a0that\u00a0activates will cause an alarm condition on the main control panel that will in turn activate notification devices, relays, and if set up, send notification of alarm to fire department via central station,\u2026","rel":"","context":"Similar post","img":{"alt_text":"Fire alarm block diagram","src":"https:\/\/i0.wp.com\/firealarmsboston.com\/wp-content\/uploads\/2013\/04\/Fire_alarm_diag2.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8,"url":"http:\/\/www.firealarmsboston.com\/","url_meta":{"origin":29,"position":5},"title":"Fire Alarms Boston","date":"March 25, 2013","format":false,"excerpt":"Welcome to Fire Alarms Boston. We are here to help you with your fire alarm needs. This site is intended to assist people in understanding fire alarm systems and their various parts and operation. The installation, testing, and repairing of these systems should only be done by licensed professionals and\u2026","rel":"","context":"Similar post","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.firealarmsboston.com\/wp-content\/uploads\/2013\/03\/Family_wdevices.jpg?fit=1200%2C488&resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"http:\/\/www.firealarmsboston.com\/index.php?rest_route=\/wp\/v2\/pages\/29"}],"collection":[{"href":"http:\/\/www.firealarmsboston.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.firealarmsboston.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.firealarmsboston.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.firealarmsboston.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=29"}],"version-history":[{"count":4,"href":"http:\/\/www.firealarmsboston.com\/index.php?rest_route=\/wp\/v2\/pages\/29\/revisions"}],"predecessor-version":[{"id":272,"href":"http:\/\/www.firealarmsboston.com\/index.php?rest_route=\/wp\/v2\/pages\/29\/revisions\/272"}],"up":[{"embeddable":true,"href":"http:\/\/www.firealarmsboston.com\/index.php?rest_route=\/wp\/v2\/pages\/16"}],"wp:attachment":[{"href":"http:\/\/www.firealarmsboston.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=29"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}