{"product_id":"seal-tite-wk30-20x10rab-return-air-box-20x10-in","title":"Seal-tite WK30-20X10RAB Return Air Box 20x10 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SEAL-TITE WK30-20X10RAB is a return air box designed to connect return duct systems to air handlers or furnaces in residential and light commercial HVAC applications. It features a 20-inch by 10-inch duct opening, sized to match common return air trunk configurations. Licensed HVAC technicians install this component as part of a properly balanced air distribution system, ensuring adequate return airflow back to the equipment. The box provides a clean, structured transition point between the return duct and the air-handling unit.\u003c\/p\u003e\n\u003cp\u003eThis return air box is suited for residential forced-air systems where a dedicated return air plenum or cabinet connection is needed. It is appropriate for installations requiring a 20-inch by 10-inch duct interface, fitting into typical stud-bay or framed return-air chase configurations found in new construction and retrofit HVAC projects alike.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e20-inch by 10-inch duct opening fits standard return air duct sizing\u003c\/li\u003e\n  \u003cli\u003eStructured enclosure provides a defined transition between return duct and air handler\u003c\/li\u003e\n  \u003cli\u003eDesigned for residential and light commercial forced-air HVAC systems\u003c\/li\u003e\n  \u003cli\u003eSupports proper return airflow balance when installed per system design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style return air box for forced-air HVAC systems requiring a 20-inch by 10-inch duct opening connection.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed HVAC technician in accordance with local mechanical codes and ASHRAE guidelines. Power to the air-handling unit must be shut off at the disconnect before beginning any ductwork connection. Seal all joints with approved duct sealant or mastic to prevent air leakage and ensure system efficiency. Verify that the return air box is securely fastened and that the duct opening aligns properly before completing the installation.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuct Opening Width\u003c\/strong\u003e: 20 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuct Opening Height\u003c\/strong\u003e: 10 inches\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: SEAL-TITE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: WK30-20X10RAB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SEAL-TITE","offers":[{"title":"Default Title","offer_id":51342903476530,"sku":"WK30-20X10RAB","price":238.21,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310553458.jpg?v=1782010119","url":"https:\/\/voomisupply.com\/products\/seal-tite-wk30-20x10rab-return-air-box-20x10-in","provider":"Voomi Supply","version":"1.0","type":"link"}