Owner's Manual

19 Rinnai CVent
Opons for Combuson Air Vent:
• For extended Intake pipe runs, PVC can be used between the Intake Header and Terminaon.
• Use the PVC adapter (described below) when transioning from the PP intake header to the stainless steel
Combuson Air Terminaon.
• Combuson Air PVC Adapter Kit (Part #: 790037) includes both a transion from the 8” (200mm) PP header
to 8” PVC and an 8”PVC to 8” (200mm) terminaon
• Fasten, secure, and support all vent materials using manufacturer and industry standards to avoid potenal
intake air leaks or blockage. Support horizontal vent runs a minimum of every 4 feet and all vercal vent
runs a minimum of every 6 feet.
The materials described below can only be used on the combustion air vent. The Ubbink
Polypropylene CVent can be used on both the combustion air and exhaust. Field supplied
PVC material can only be used on the combustion air side and MUST NOT be used for
the exhaust.
WARNING
Approval Codes for In-
stallaon
Item Descripon Flue Material United States
Plasc Vent and/or
combuson air
components
PVC Schedule 40 ANSI/ASTM D1785
PVC - DWV ANSI/ASTM D2665
CPVC Schedule 40 ANSI/ASTM F441
Plasc pipe cement
and primer
PVC ANSI/ASTM D2564
CPVC ANSI/ASTM F493
FIELD
SUPPLIED
PVC PIPE
Plasc pipe
cement and
primer
PVC to TERMINATION ADAPTER:
8”PVC to 8” (200mm) terminaon
PP to PVC ADAPTER:
8” (200mm) PP header to 8” PVC