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The HART COOLEY 6RAA is a B-vent male adapter designed for use in gas appliance venting systems. This fitting provides a male connection point within Type B double-wall vent assemblies, allowing technicians to join vent sections or transition between components. Size designation 06 indicates the nominal pipe size this adapter is built to fit. HVAC technicians and gas appliance installers use this adapter when assembling or extending B-vent runs for furnaces, boilers, and water heaters in residential and light commercial applications.
This adapter is suited for Type B vent installations where a male end fitting is required to complete or extend a venting assembly. It is sold as a single unit and is intended for use with standard B-vent components of the corresponding size designation. Installation typically occurs during new equipment setup or when servicing an existing venting system that requires a replacement or additional transition fitting.
Designed as an OEM-style replacement male adapter for Type B vent systems using size designation 06 components.
Installation should be performed by a licensed HVAC technician or gas appliance installer in accordance with NFPA 54 and local mechanical codes. Shut off the gas supply and allow the appliance to cool completely before working on any venting components. Ensure all vent joints are fully seated and secured per the manufacturer assembly instructions. Do not use this fitting with single-wall vent pipe or in applications that require a Type L or direct-vent connector.
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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