VENTING Category IV appliance Can be vented horizontally or vertically using 2” or 3” Schedule 40 PVC, ABS, or CPVC (see installation manual for details) Approved for 2-pipe (direct vent) or single-pipe applications Approved for installations with listed concentric vent kit CONTROLS Direct 115V Hot Surface Ignition system with LED diagnostic for fast, accurate troubleshooting Slow opening valve for quiet, smooth ignition Electronic fan timer control SAFETY CSA certified for US and Canada Safety