{"product_id":"zonemaster-12-inch-normally-open-motorized-damper","title":"ZoneMaster 12 Inch Normally Open Motorized Damper For HVAC Zoning And Fresh Air Make Up Air Control 24V Power Close Spring Open With Transformer Included","description":"\u003cdiv\u003e12-Inch Motorized Damper for HVAC Zoning and Fresh Air\u003cbr\u003e\n✔️ Normally Open 12-Inch damper with 0°-90° adjustable coupler, 24V \u003cp\u003eThe ZoneMaster 12-Inch Motorized Damper is a 24V normally open damper designed for HVAC zoning, fresh air intake, and makeup air applications. It can integrate with existing zone control systems or operate standalone using the UL-listed 24VAC\/20VA transformer included for plug-in power.\u003c\/p\u003e ✅ 12-Inch duct damper for HVAC zoning and makeup air\u003cbr\u003e\n✅ Normally Open (Power Closed) operation for unpowered openness\u003cbr\u003e\n✅ 0°-90° adjustable coupler for precise airflow control\u003cbr\u003e\n✅ Includes UL-listed 24VAC\/20VA transformer for plug-in power\u003cbr\u003e\n✅ Simple two-wire installation for quick setup\u003cbr\u003e \u003cp\u003e💡 What is a motorized damper used for in HVAC zoning and makeup air applications?\u003c\/p\u003e\n\u003cp\u003eHandy overview: It regulates airflow across zones to balance comfort and energy use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAllows zone-by-zone control in HVAC systems\u003c\/li\u003e\n\u003cli\u003eMaintains ventilation in unpowered states with normally open design\u003c\/li\u003e\n\u003cli\u003eOffers adjustable coupler for precise airflow tuning\u003c\/li\u003e\n\u003cli\u003eIncludes transformer for easy plug‑in power setup\u003c\/li\u003e\n\u003c\/ul\u003e\n✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48802753315051,"sku":"VXB078PQXF68","price":183.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/81tFU8sRW6L.jpg?v=1781086914","url":"https:\/\/vxb.com\/products\/zonemaster-12-inch-normally-open-motorized-damper","provider":"VXB Bearings","version":"1.0","type":"link"}