Napoleon External Wall Venting Package for Ascent Series | 4" x 7" Direct Vent Flex Venting

A through-the-wall vent run for the Ascent 30–46, Ascent X 36, Ascent Linear 36–46 and Ascent Linear Premium 42/46: 5 ft (GD-220) or 10 ft (GD-330) of 4"/7" flex vent pipe with your choice of wall terminal, the GD-222 square terminal, the GD-222R round terminal or the ST47U Silhouette terminal. Those fireplaces' manuals name each of these terminals for Napoleon flex venting. The 5 ft square option is Napoleon's FTV47 kit. Every option includes a wall firestop (W010-3440, or the one inside the FTV47 kit), which these fireplaces need and do not include. Napoleon's GD-301 heat guard is not suitable for the round terminal, and your fireplace's manual sets its vent lengths. from $419.