{"id":795,"date":"2022-12-02T06:46:37","date_gmt":"2022-12-02T06:46:37","guid":{"rendered":"https:\/\/www.airpressureswitch.com\/?post_type=product&#038;p=795"},"modified":"2024-01-24T09:33:25","modified_gmt":"2024-01-24T09:33:25","slug":"negative-pressure-switch","status":"publish","type":"product","link":"https:\/\/www.airpressureswitch.com\/ko\/product\/negative-pressure-switch","title":{"rendered":"A2 Negative Pressure Switch 12 Volt 24VDC Single Port"},"content":{"rendered":"<h3>Negative Pressure Switch<\/h3>\n<p>The A2 <a href=\"https:\/\/www.airpressureswitch.com\/ko\/\">\uc555\ub825 \uc2a4\uc704\uce58<\/a> is an economical water heater air pressure switch product that adopts a classic and innovative shrapnel structure to achieve the characteristics of a small structure and large contact force, ensuring product contact reliability.<br \/>\nThe A2 pressure switch has a compact structure and simple appearance. The cavity volume design allows sufficient air pressure changes to be efficiently converted into switch contact force.<br \/>\nThe A2 series is a single port normally-open (NO) circuit negative pressure switch, which is a new design with new technology &amp; affordable price. It has a good contact performance in such a small cavity.<\/p>\n<p>&nbsp;<\/p>\n<h4>A2 Air Pressure Switch Features<\/h4>\n<ul>\n<li>It has a high accuracy for pressure testing and switching, which is \u00b13Pa.<\/li>\n<li>Simple and beautiful appearance, easy installation.<\/li>\n<li>Meanwhile, it has a wide operating temperature range from &#8211;40 to +110\u2103, so you can use it no matter in summer or winter.<\/li>\n<li>The set ON &amp; OFF point can be customized, we can set the point according to your requirement in the production process.<\/li>\n<li>It is perfect for gas boilers and gas water heaters.<\/li>\n<\/ul>\n<h4 class=\"style-scope ytd-watch-metadata\">How the Gas Furnace Pressure Switch <a href=\"https:\/\/www.youtube.com\/watch?v=9DAEZvkyO9A\" target=\"_blank\" rel=\"noopener\">Works &amp; Testing Video!<\/a><\/h4>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"How the Gas Furnace Pressure Switch Works &amp; Testing!\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/9DAEZvkyO9A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>&nbsp;<\/p>\n<h3>Negative Pressure Switch Specification<\/h3>\n<table style=\"height: 411px;\" border=\"1\" width=\"1361\" cellpadding=\"6\">\n<tbody>\n<tr style=\"height: 14.25pt;\">\n<td style=\"height: 14.25pt; width: 140.25pt;\" width=\"187\" height=\"19\">\ubaa8\ub378 \ubc88\ud638<\/td>\n<td style=\"width: 279.75pt;\" width=\"373\">A2 Negative Air Pressure Switch<\/td>\n<\/tr>\n<tr style=\"height: 14.25pt;\">\n<td style=\"height: 14.25pt; width: 140.25pt;\" width=\"187\" height=\"19\">\uc791\uc5c5 \ub9e4\uccb4<\/td>\n<td style=\"width: 279.75pt;\" width=\"373\">\uacf5\uae30 \ub610\ub294 \ubc30\uae30\uac00\uc2a4<\/td>\n<\/tr>\n<tr style=\"height: 14.25pt;\">\n<td style=\"height: 14.25pt; width: 140.25pt;\" width=\"187\" height=\"19\">\ud130\ubbf8\ub110 \uc885\ub958<\/td>\n<td style=\"width: 279.75pt;\" width=\"373\">\ud45c\uc900 187 \ud035 \ucee4\ub125\ud2b8(4.8*0.5mm)<\/td>\n<\/tr>\n<tr style=\"height: 14.25pt;\">\n<td style=\"height: 14.25pt;\" height=\"19\">\ud29c\ube0c \uc778\ud130\ud398\uc774\uc2a4<\/td>\n<td>\uc678\uacbd 6.3mm\ub85c \ub0b4\uacbd 5mm \ud29c\ube0c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr style=\"height: 14.25pt;\">\n<td style=\"height: 14.25pt;\" height=\"19\">\ud68c\ub85c<\/td>\n<td>SPST-NO<\/td>\n<\/tr>\n<tr style=\"height: 14.25pt;\">\n<td style=\"height: 14.25pt;\" height=\"19\">\ud3c9\uac00<\/td>\n<td>0.1A\u00a0 24VDC<\/td>\n<\/tr>\n<tr style=\"height: 14.25pt;\">\n<td style=\"height: 14.25pt;\" height=\"19\">\ub0b4\uc804\uc555<\/td>\n<td>3000Pa(0.5Psi)<\/td>\n<\/tr>\n<tr style=\"height: 14.25pt;\">\n<td style=\"height: 14.25pt;\" height=\"19\">\uc804\uae30 \uc218\uba85<\/td>\n<td>25000000 \uc0ac\uc774\ud074<\/td>\n<\/tr>\n<tr style=\"height: 14.25pt;\">\n<td style=\"height: 14.25pt;\" height=\"19\">\uc791\ub3d9 \uc628\ub3c4<\/td>\n<td>-40\u2103 ~ +110\u2103<\/td>\n<\/tr>\n<tr style=\"height: 14.25pt;\">\n<td style=\"height: 14.25pt;\" height=\"19\">Accuracy<\/td>\n<td>\u00b13Pa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Apart from the negative pressure, we also can produce the positive pressure switch. For more product information, please go to<a href=\"https:\/\/www.airpressureswitch.com\/ko\/products\/\"> visit our product page<\/a> to check, we are a professional <a href=\"https:\/\/www.airpressureswitch.com\/ko\/\">manufacturer supplier in pressure and flow control<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<h3>A2 Pressure Switches,Gas water heater pressure switch<\/h3>\n<p>A2 is a negative pressure switch designed for the gas water heater with the latest patented technology, which can achieve good contact performance in a small space.<\/p>","protected":false},"featured_media":796,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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