There is a type B gas vent pipe. Is that correct? The type B gas vent is designed to heat up quickly. During the operation of the appliance it remains hot and there is no condensation in the appliance and vent system. 6 to 60 inches of pipe are available in multiple lengths with a full complement of fittings.
Let's Get It Fixed!
HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.