This is an alternative to the standard two pipe intakevent shown in the basic furnace installation instructions Two Concentric Vent products are available CVENT2 is for use with 2 intakevent systems and CVENT3 is for use with 3 intake vent systems R ID: 42950
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TECHNICAL DATA SHEET www.diversitech.com Concentric Vent DiagramCVENT-2CVENT-2-EXTCVENT-3CVENT-3-EXTCVENT-4SDR-26-PVCSDR-26-PVCSDR-26-PVCSDR-26-PVCSDR-26-PVC www.diversitech.comTECHNICAL DATA SHEET ProductConcentric VentThe Concentric Vent allows both the intake for combustion air and the exhaustvent to pass through a standard roof or sidewall. This is an alternative to the standard two pipe intake/vent shown in the basic Category IV appliance FeaturesThree Concentric Vent products are available: CVENT-2 is for use with 2” intake/vent systems, CVENT-3 is for use with 3” intake/vent systems and CVENT-4 is for use with 4” intake/vent systems. Refer to the Category IV appliance installation instructions for intake/vent pipe sizing information.NOTE: The Concentric Vent reduces the allowable intake/vent piping length by 5 feet from that listed in the basic Category IV appliance installationWARNINGDo not use the Concentric Vent kit for anything other than a Category IV heating applicance. Failure to follow this warning could result in re, personal WARNINGDo not operate the furnace until the installation and assembly of theConcentric Vent and all piping are completed. Failure to follow this warning could result in product damage or improper operation, personal injury or General Speci cations(1) Vent Pipe(1) Intake/Vent Concentric “Y”Pipe and ttings are required to complete installation (user supplied). The combustion air and vent pipe ttings must conform ANSI and ASTM standards conform to ASTM standards D2564 or D2235. In Canada, construct allcombustion air and vent pipes for this unit of CSA or ULC certi ed Schedule 40 PVC, PVC-DWV, or ABS-DWV pipe and pipe cement.General Characteristics Concentric Vent CVENT-2CVENT-3CVENT-4 INTAKE/VENT NOM. OVERALL ASSEM’D INTAKE PIPE OUTSIDE AIR INLET PIPE PIPE SIZE LENGTH 1 DIAMETER LENGTH 2