Product Overview
The FOT-152 is a 9-1/2" - 15-3/4" Flue Manifold B Vent Kit. It can be used with any Rinnai EnergySaver Direct Vent Furnace. It is to be used through exterior walls that are 9.5" - 15.75" thick. It would be used in place of the Manifold Vent Kit A that that is included with your furnace.