{"product_id":"io-hvac-controls-td-2420-rectangular-zone-damper-24x20","title":"Io Hvac Controls TD-2420 Rectangular Zone Damper 24x20","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe IO HVAC CONTROLS TD-2420 is a rectangular zone damper designed for use in residential and light commercial HVAC zoning systems. It controls airflow through a specific zone by opening and closing on command from a zone control board or thermostat. The damper ships with a 60-second Belimo 3-wire actuator pre-mounted, which provides reliable, spring-return operation and integrates cleanly with standard low-voltage zoning controls. At 24 inches wide by 20 inches tall, this is a large-format damper suited for trunk-line or large branch-duct applications. Licensed HVAC technicians typically handle installation as part of a new zoning system build-out or a retrofit of an existing forced-air system.\u003c\/p\u003e\n\u003cp\u003eThis damper is built as a direct-fit replacement for Trane and American Standard rectangular zone damper applications. It is sized for 24 x 20 inch duct openings and is appropriate for residential and commercial forced-air systems where zone control is required. The included Belimo 3-wire actuator operates on a standard 24-volt control signal, making it compatible with most residential and light commercial zone control boards that use spring-return, on\/off actuator wiring. Typical installations include main trunk dampers or large supply plenum branches where multiple zones are served from a single air handler.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e24 x 20 inch rectangular damper sized for large duct openings\u003c\/li\u003e\n  \u003cli\u003ePre-mounted Belimo 3-wire actuator included  -  no separate actuator purchase required\u003c\/li\u003e\n  \u003cli\u003e60-second actuator travel time for smooth, controlled airflow modulation\u003c\/li\u003e\n  \u003cli\u003eSpring-return actuator design provides fail-safe operation on power loss\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard 24-volt low-voltage zone control boards\u003c\/li\u003e\n  \u003cli\u003eBuilt for Trane and American Standard zoning system replacement applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a direct-fit replacement for Trane and American Standard rectangular zone damper installations using a 24 x 20 inch duct opening with a 3-wire Belimo-style actuator.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed HVAC technician familiar with forced-air zoning systems. Power down the air handler and de-energize the zone control board before disconnecting or wiring the actuator. The 3-wire actuator connects to the zone board using standard low-voltage wiring practices per NEC guidelines. Verify duct dimensions and actuator wire polarity against the zone control board documentation before energizing the system.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDamper Size\u003c\/strong\u003e: 24 x 20 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Type\u003c\/strong\u003e: Belimo 3-Wire Spring-Return\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActuator Travel Time\u003c\/strong\u003e: 60 seconds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Voltage\u003c\/strong\u003e: 24 volts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Width\u003c\/strong\u003e: 22 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Height\u003c\/strong\u003e: 30 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Depth\u003c\/strong\u003e: 8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 14 pounds\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: IO HVAC CONTROLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: TD-2420\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IO HVAC CONTROLS","offers":[{"title":"Default Title","offer_id":67948893110578,"sku":"TD-2420","price":450.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/50bbd6f74b2edbde3fa9d504fe30cd5d_54b4491c-ef31-4f47-8ae6-a62081b545b9.jpg?v=1791676157","url":"https:\/\/voomisupply.com\/products\/io-hvac-controls-td-2420-rectangular-zone-damper-24x20","provider":"Voomi Supply","version":"1.0","type":"link"}