Rinnai FOT-151 Vent A 431/556 Size 4.5-9.5

Overview When installing a Rinnai Direct Vent Wall Furnace the flue gases must be vented to the outdoors. Use this flue manifold kit when venting your Rinnai Direct Vent Wall Furnace through an exterior wall that is 4 1/2″ – 9 1/2″ thick. This kit is included with Rinnai Direct Vent Wall Furnaces, and does not need to be purchased unless a replacement flue manifold kit is needed.