{"product_id":"mm-manufacturing-601-14x8x9-register-box-snap-rail-flange","title":"Mm Manufacturing 601-14X8X9 Register Box Snap-rail Flange","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe MM Manufacturing 601-14X8X9 is a 601 series register box with a snap-rail flange, designed for residential and light commercial forced-air HVAC systems. The box connects to round duct and accepts a standard wall or floor register at the face opening. At 14 inches by 8 inches by 9 inches nominal, this unit weighs 2.05 pounds and ships as a single assembly. HVAC installers use it to terminate a round duct run at a register location, providing a secure, square face for register mounting and a sealed duct-to-box transition.\u003c\/p\u003e\n\u003cp\u003eThis register box is suited for new construction and retrofit duct installations in residential homes and light commercial spaces. The snap-rail flange design speeds up register installation by allowing the register face to lock into place without exposed fasteners. The 601-14X8X9 is intended for connection to round duct in the 4-inch through 9-inch diameter range, making it a versatile fit for common residential supply air branch runs. Sheet metal contractors and HVAC installers typically specify this box when terminating flexible or rigid round duct at a wall, floor, or ceiling register opening.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSnap-rail flange allows fast, tool-light register face installation\u003c\/li\u003e\n  \u003cli\u003eCompatible with round duct from 4 inches through 9 inches in diameter\u003c\/li\u003e\n  \u003cli\u003e601 series design available in 9 nominal sizes for layout flexibility\u003c\/li\u003e\n  \u003cli\u003eNominal face opening of 14 inches by 8 inches accepts standard register grilles\u003c\/li\u003e\n  \u003cli\u003eLightweight construction at 2.05 pounds for overhead and wall applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for connection to round duct from 4 inches through 9 inches in diameter. The snap-rail flange face accepts standard 14-inch by 8-inch register grilles in residential and light commercial forced-air supply systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by licensed HVAC technicians or sheet metal contractors. Power down the air handling unit and confirm the system is de-energized before cutting into or modifying ductwork. Secure the round duct to the collar of the register box with sheet metal screws and foil-backed tape or mastic sealant per local mechanical code requirements. Confirm the framed rough opening matches the box dimensions before fastening to prevent air bypass around the flange.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Face Size\u003c\/strong\u003e: 14 x 8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Depth\u003c\/strong\u003e: 9 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Length\u003c\/strong\u003e: 10.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Width\u003c\/strong\u003e: 16.25 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Height\u003c\/strong\u003e: 10 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 2.05 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuct Connection Type\u003c\/strong\u003e: Round duct, 4 inches through 9 inches diameter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlange Type\u003c\/strong\u003e: Snap-Rail\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: MM Manufacturing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 601-14X8X9\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M\u0026M MANUFACTURING","offers":[{"title":"Default Title","offer_id":51267876716850,"sku":"601-14X8X9","price":28.33,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/308913389.webp?v=1780693039","url":"https:\/\/voomisupply.com\/products\/mm-manufacturing-601-14x8x9-register-box-snap-rail-flange","provider":"Voomi Supply","version":"1.0","type":"link"}