True or False: Everything for B vent and BW vent is the same except for their shape.

The correct assertion is that the statement about B vent and BW vent being essentially the same except for their shape is true. B vent, also known as type B gas vent, is designed for venting gas-fired appliances and is generally double-walled, providing insulation that minimizes heat loss and prevents the outer wall from becoming hot to the touch. It is typically used in applications where the venting system must also accommodate the combustion air requirements.

BW vent, on the other hand, refers to a type of vent that has a different construction but serves a similar purpose in venting flue gases. Both B vent and BW vent systems are used for similar applications, specifically designed for venting appliances that require safe and efficient evacuation of exhaust gases. The primary difference lies in their shape; B vent typically has a round shape while BW vent may have other configurations.

As a result, the primary distinction of shape while retaining similar functionality in the context of venting characteristics justifies the truth of the statement. Both systems must comply with the National Fuel Gas Code and local building codes to ensure safety and efficiency, showing that while they might have variations in design, their operational purposes and requirements are fundamentally aligned.