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The DURAVENT 0590EL is a 90-degree adjustable elbow designed for Type B gas vent (B-Vent) systems. It connects to 5-inch diameter B-Vent pipe and allows technicians to route venting around obstructions or change vent direction within a residential or light commercial gas appliance installation. The adjustable design provides flexibility during rough-in, making it easier to hit target angles without cutting or fabricating additional fittings. Licensed HVAC technicians and gas appliance installers work with this fitting as part of a complete venting assembly for natural gas or propane appliances.
This elbow is suited for use in vertical and offset B-Vent configurations serving gas furnaces, water heaters, boilers, and other Category I gas appliances that require Type B double-wall venting. The adjustable elbow is particularly useful in retrofit installations where existing framing or structural elements restrict a straight vent run and a field-adjustable angle is needed to complete the venting path within code-required clearances.
Designed as an OEM-style replacement and standard fitting for 5-inch Type B double-wall gas vent systems serving Category I natural gas and propane appliances.
Installation must be performed by a licensed HVAC technician or qualified gas appliance installer in accordance with NFPA 54 (National Fuel Gas Code) and local mechanical codes. Shut off the gas supply and allow the appliance to cool before servicing or modifying any venting components. Ensure all vent joints are properly secured and that the completed assembly meets the minimum clearance-to-combustibles requirements specified for Type B vent. Do not mix B-Vent components from different manufacturers within the same venting system unless the manufacturer explicitly approves cross-brand compatibility.
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