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The ECCO MANUFACTURING 200496 is an adjustable vent pipe fitting designed for use in residential and light commercial ventilation systems. Sold as a single unit, it accommodates a 4-inch diameter opening with a 12-inch length, allowing installers to fine-tune vent run configurations without cutting or fabricating custom sections. This type of fitting is commonly installed by HVAC technicians and plumbers working on exhaust, combustion air, or general ventilation duct systems where adjustable length segments are required to complete a clean, code-compliant run.
This adjustable vent pipe is suited for residential and light commercial HVAC and ventilation installations. It is typically used in situations where fixed-length pipe sections do not bridge the required span between fittings or equipment connections. The 4 x 12 sizing fits into standard vent pipe assemblies of the corresponding diameter, making it a practical field solution for completing or modifying vent runs in new construction and retrofit applications.
Designed as an OEM-style replacement or new-install component for standard 4-inch diameter residential and light commercial vent pipe systems.
Installation should be performed by a licensed HVAC technician or plumber familiar with local mechanical and ventilation codes. Shut down and lock out the associated HVAC or ventilation equipment before beginning any vent pipe work. Ensure all joints are properly secured and sealed per the applicable code requirements, such as the International Fuel Gas Code (IFGC) or International Mechanical Code (IMC), as appropriate to the application.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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