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The MM MANUFACTURING 100-9X5 is a 30-gauge G30 galvanized round snaplock duct pipe designed for use in residential and light commercial HVAC duct distribution systems. At 9 inches in diameter and 60 inches in length, this straight duct section connects to standard round duct fittings and trunk lines. The snaplock seam design allows for fast, tool-free assembly on the job site. Galvanized steel construction provides corrosion resistance suitable for conditioned-air applications. Licensed HVAC technicians and sheet metal contractors are the typical installers for this type of duct section.
This duct pipe is used in forced-air heating and cooling systems where round duct is specified for branch runs or main trunk extensions. The 9-inch diameter suits medium to larger branch runs commonly found in residential construction and light commercial applications. According to the manufacturer, this product line is available in diameters from 3 inches to 24 inches and in lengths of 24 inches, 36 inches, and 60 inches depending on diameter, making it part of a broader system of compatible snaplock duct components.
Designed as an OEM-style replacement and new-installation component for standard round snaplock duct systems. Part of the MM MANUFACTURING snaplock duct line available in diameters from 3 inches to 24 inches and lengths of 24 inches, 36 inches, and 60 inches depending on diameter.
Installation should be performed by a licensed HVAC technician or sheet metal contractor in accordance with SMACNA duct construction standards and applicable local mechanical codes. Secure all joints with sheet metal screws and seal with UL 181-rated mastic or foil tape before insulating. Ensure the duct system is depressurized and the air handler is powered down before making connections. Do not use standard cloth duct tape as a primary sealant on metal duct joints.
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