{"product_id":"90-rjcrwn-al-mortex-crown-assembly","title":"90-RJCRWN-AL Mortex Crown Assembly","description":"\u003ch1\u003e\u003cspan\u003e90-RJCRWN-AL Mortex Crown Assembly \u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eMortex™ Roof Jack Crown, 12 in Length, 12 in Width, 7 in Height, Aluminum, Silver\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eColor     \u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e:     \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSilver\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eHeight     \u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e:     \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eLength     \u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e:     \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMaterial     \u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e:     \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAluminum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWidth     \u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e:     \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/Screenshot_2026-09-26_130927.png?v=1790453394\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMortex 90‑RJCRWN‑AL OEM Roof Jack Crown Assembly\u003c\/strong\u003e The 90‑RJCRWN‑AL is the factory aluminum crown used on Mortex roof‑jack vent systems for manufactured‑housing gas furnaces. This crown provides proper combustion‑air intake and exhaust termination while protecting the vent system from rain, debris, and weather intrusion. Built from corrosion‑resistant aluminum for long service life, it installs directly onto compatible Mortex roof‑jack bases with no modification required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIdeal replacement when the original crown is missing, damaged, rusted, or no longer sealing correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eCross‑Reference Block \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCross Reference:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e90‑RJCRWN‑AL\u003c\/strong\u003e (current OEM)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMortex roof‑jack crown assembly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufactured‑housing furnace vent crown\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAluminum roof‑jack termination cap\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Quinn","offers":[{"title":"Default Title","offer_id":45277217488962,"sku":"90-RJCRWN-AL","price":192.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/Screenshot2026-09-26130552.png?v=1790453412","url":"https:\/\/hvacpartstore.com\/products\/90-rjcrwn-al-mortex-crown-assembly","provider":"HVACpartstore","version":"1.0","type":"link"}