Is an exterior B vent allowed to run from 2 ft above grade along the side of the house and 4 ft above the gutter. This application is in Ontario, the furnace is 2001 but nothing was said about the metal chimney.
Is an exterior B vent allowed to run from 2 ft above grade along the side of the house and 4 ft above the gutter. This application is in Ontario, the furnace is 2001 but nothing was said about the metal chimney.