Skip to navigation
R — Round Pipe (14-30")

How to Specify

Using tables from the National Fuel Gas Code or our Sizing & Application Guide, determine the diameter of venting required. The Sizing & Application Guide also offers tips on good design including multi-appliance system sizing and design.

How to Purchase

Vent FAQs

R — Round Pipe (14-30")

  • HC_2RP 14 thru 24_drw14" to 30" pipe and fitting couplers overlap 1" when joined together; therefore, assembled length is 1" less than listed length.
  • Snap-lock style
  • Outside Diameter (OD) Sizes 14" through 30" is size plus 1"
  • A full set of installation instructions are supplied with caps and supports.

Round Pipe sizes 14–30

Listed Length
Diameter14"16"18"20"22"24"26"28"30"
3'14R316R318R320R322R324R326R328R330R3
24"14R2416R2418R2420R2422R2424R2426R2428R2430R24
18"14R1816R1818R1820R1822R1824R1826R1828R1830R18
12"14R1216R1218R1220R1222R1224R1226R1228R1230R12