Refer to Table 11-1. For a single Catagory I appliance that requires a type B gas vent, what minimum vent diameter would be required if the total height of the vent above the draft hood is 15` and has one lateral run of 5`? As sume 140,000 Btu input.

Refer to Table 11-1. For a single Catagory I appliance that requires a type B gas vent, what minimum vent diameter would be required if the total height of the vent above the draft hood is 15` and has one lateral run of 5`? As sume 140,000 Btu input.