{"product_id":"ewc-controls-eurd-9-motorized-round-damper-9-inches","title":"Ewc Controls EURD-9 Motorized Round Damper 9 Inches","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe EWC CONTROLS EURD-9 is a 9-inch round single-blade motorized damper designed for zone control and air quality applications in forced-air HVAC systems. It uses a two-position 24-volt motor that is powered in both directions, meaning the damper is driven fully open and fully closed under power rather than relying on a spring return. A 3-wire connection handles the common, power-open, and power-closed legs. Built-in LEDs provide a visual position indicator: red confirms the blade is fully closed and green confirms it is fully open. These indicators are failsafe-activated, meaning they only illuminate once the blade has reached its complete travel position.\u003c\/p\u003e\n\u003cp\u003eThe EURD-9 is suited for residential and light commercial zoning systems where positive blade control is required in round duct runs. HVAC technicians install this damper inline in round ductwork to regulate airflow to individual zones. The powered-close design eliminates reliance on spring mechanisms, making it a reliable choice in applications where airflow containment on closure is critical, such as air quality control or dedicated zone isolation in multi-zone systems.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo-position 24-volt motor powered both open and closed for positive blade control\u003c\/li\u003e\n  \u003cli\u003eLED position indicators: red for fully closed, green for fully open\u003c\/li\u003e\n  \u003cli\u003eFailsafe LED activation confirms blade has reached full travel before illuminating\u003c\/li\u003e\n  \u003cli\u003e3-wire hookup with common, power-open, and power-closed legs for straightforward wiring\u003c\/li\u003e\n  \u003cli\u003eSingle-blade round design for inline installation in 9-inch round duct\u003c\/li\u003e\n  \u003cli\u003eSuited for air quality and zone control applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style motorized damper for use in 9-inch round ductwork within residential and light commercial forced-air HVAC zoning systems requiring 24-volt two-position control.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by a licensed HVAC technician. Shut down the air handler and de-energize the 24-volt control circuit before wiring or mounting the damper. The damper should be installed in an accessible section of round ductwork in accordance with local mechanical codes and SMACNA duct construction standards. Confirm full blade travel and verify LED indicator response before closing up the duct and restoring system power.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Motorized Round Damper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 9 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShape\u003c\/strong\u003e: Round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor Voltage\u003c\/strong\u003e: 24 volts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor Positions\u003c\/strong\u003e: Two-position (powered open and powered closed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWires to Motor\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Air Quality \/ Zone Control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: EWC CONTROLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: EURD-9\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EWC CONTROLS","offers":[{"title":"Default Title","offer_id":51342822998322,"sku":"EURD-9","price":190.34,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310554833.jpg?v=1782007719","url":"https:\/\/voomisupply.com\/products\/ewc-controls-eurd-9-motorized-round-damper-9-inches","provider":"Voomi Supply","version":"1.0","type":"link"}