{"product_id":"3hgj7","title":"3HGJ7 DAYTON Square Fire\/Smoke Damper, 17-3\/4 In. H","description":"\u003cul\u003e \u003cli\u003e \u003cstrong\u003eFor Nominal Duct Diameter:\u003c\/strong\u003e Not Applicable\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDamper Application:\u003c\/strong\u003e Fire and Smoke\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eNumber of Panels:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOverall Height:\u003c\/strong\u003e 17 3\/4 in\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOverall Length:\u003c\/strong\u003e 16 in\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRough Opening Shape:\u003c\/strong\u003e Square\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e \u003ctr\u003e \u003ctd\u003ePart Number\u003c\/td\u003e \u003ctd\u003e3HGJ7\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBrand\u003c\/td\u003e \u003ctd\u003eDAYTON\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eItem\u003c\/td\u003e \u003ctd\u003e17.75 In.H 16 In.L 18 In.W Motrzd Fire\/Smke Dampr\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFor Nominal Duct Diameter\u003c\/td\u003e \u003ctd\u003eNot Applicable\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDamper Application\u003c\/td\u003e \u003ctd\u003eFire and Smoke\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNumber of Panels\u003c\/td\u003e \u003ctd\u003e1\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Height\u003c\/td\u003e \u003ctd\u003e17 3\/4 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Length\u003c\/td\u003e \u003ctd\u003e16 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRough Opening Shape\u003c\/td\u003e \u003ctd\u003eSquare\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFor Duct Shape\u003c\/td\u003e \u003ctd\u003eSquare\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Width\u003c\/td\u003e \u003ctd\u003e18 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFrame Material Thickness\u003c\/td\u003e \u003ctd\u003e16 ga\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBlade Material\u003c\/td\u003e \u003ctd\u003eGalvanized Steel\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMaximum Air Pressure\u003c\/td\u003e \u003ctd\u003e4 in wg\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Diameter\u003c\/td\u003e \u003ctd\u003eNot Applicable\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRough Opening Width\u003c\/td\u003e \u003ctd\u003e18 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDamper Type\u003c\/td\u003e \u003ctd\u003eDynamic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMaximum Air Velocity\u003c\/td\u003e \u003ctd\u003e2000 fpm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNameplate Voltage\u003c\/td\u003e \u003ctd\u003e24V AC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eUPC\u003c\/td\u003e \u003ctd\u003e190735289143\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eDAYTON 3HGJ7 is a square motorized fire and smoke damper for square ducts. It has an overall height of 17 3\/4 in, an overall length of 16 in, and an overall width of 18 in. The single-blade dynamic damper uses a galvanized steel blade in a 16-gauge frame, with a maximum air pressure of 4 in wg, a maximum air velocity of 2000 fpm, and a nameplate voltage of 24V AC.\u003c\/p\u003e\u003cp\u003eConfirm the part number against your existing unit or equipment before ordering to ensure correct fit.\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":67663233253589,"sku":"3HGJ7","price":834.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/9091\/2213\/files\/Z0355wfo5oy_1162a930-5540-401a-8095-4abe5bb82f05.jpg?v=1791263844","url":"https:\/\/proreplacementparts.com\/products\/3hgj7","provider":"Pro Replacement Parts","version":"1.0","type":"link"}