B vent inserts utilizes a single liner system installed into the chimney. These units are primarily used where either a unit is being replaced that only has a single liner or/and it is not possible to install a double liner system in the chimney.
B vent inserts utilizes a single liner system installed into the chimney. These units are primarily used where either a unit is being replaced that only has a single liner or/and it is not possible to install a double liner system in the chimney.