Aug 20, 2002 #1 pes13 Mechanical Joined Aug 15, 2002 Messages 1 Location US Is there a program that performs the B31.1 App. II calculations to determine the proper SRV vent line sizing? If so, how can I get it?
Is there a program that performs the B31.1 App. II calculations to determine the proper SRV vent line sizing? If so, how can I get it?