501.13 Category I appliance flue lining systems.
FGC § 501.13
Flue lining systems for use with Category I appliances shall be limited to the following: 1. Flue lining systems complying with Section 501.12.
2.Chimney lining systems listed and labeled for use with gas appliances with draft hoods and other Category I gas appliances listed and labeled for use with Type B vents.













