{"product_id":"resideo-rrd8-u-8-in-retrofit-round-damper","title":"Resideo RRD8\/U 8 in Retrofit Round Damper","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe RESIDEO RRD8\/U is an 8-inch retrofit zone damper designed for easy installation into rigid round ductwork, ideal for retrofit zoning applications. It features a visual position indicator and a 2.5 VA 90-second actuator, operating at 24 Vac with 50\/60 Hz frequency and 1.5 watts running power consumption. Constructed from durable galvanized steel for both the blade and damper, it ensures low internal leakage at 3.4% at 0.5 in WC and is compatible with Honeywell Home zoning panels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEasy slide-in installation\u003c\/li\u003e\n  \u003cli\u003eQuiet, long life motor automatically shuts itself off in full open and closed positions\u003c\/li\u003e\n  \u003cli\u003eGaskets around blade and under motor housing for low internal leakage and very low external leakage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eRetrofit zoning simplified with durable galvanized steel construction and compatibility with Honeywell Home zoning panels.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: RESIDEO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: RRD8\/U\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeakage\u003c\/strong\u003e: 3.4% at 0.5 in WC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Retrofit Zone Damper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDamper Type\u003c\/strong\u003e: Retrofit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFor Use With\u003c\/strong\u003e: Honeywell Home TrueZONE panels and similar zone control systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlade Material\u003c\/strong\u003e: Galvanized Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Torque\u003c\/strong\u003e: 45 in. lb, 5 Nm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDamper Material\u003c\/strong\u003e: Galvanized Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApprovals and Standards\u003c\/strong\u003e: NEMA 1, UL listed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Power Consumption\u003c\/strong\u003e: 1.5 watts running\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDamper Duct Shape Type\u003c\/strong\u003e: Round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 3.18 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 10.75 in, 273 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 2.63 in, 67 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Closing Time\u003c\/strong\u003e: 90 sec\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Frequency\u003c\/strong\u003e: 50 Hz, 60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Mounting Location\u003c\/strong\u003e: Direct Couple\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Open Action\u003c\/strong\u003e: Counter Clockwise\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Opening Time\u003c\/strong\u003e: 90 sec\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Voltage\u003c\/strong\u003e: 24 Vac\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature Max\u003c\/strong\u003e: 122 °F, 50 °C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature Min\u003c\/strong\u003e: -40 °F, -40 °C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlade Gauge\u003c\/strong\u003e: 20 gauge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDamper Gauge\u003c\/strong\u003e: 18 gauge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical Connection Type\u003c\/strong\u003e: Screw terminals for 14 to 26 gauge wire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Wiring Terminals\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Drop Max\u003c\/strong\u003e: \u0026lt; .05 in W.C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 8 in\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"RESIDEO","offers":[{"title":"Default Title","offer_id":51306364797234,"sku":"RRD8\/U","price":231.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/309541106.jpg?v=1781290596","url":"https:\/\/voomisupply.com\/products\/resideo-rrd8-u-8-in-retrofit-round-damper","provider":"Voomi Supply","version":"1.0","type":"link"}