Features:

• Fewer wall penetrations than standard single-unit venting
• Reduced install cost with easy to install non-powered kits
• Flexibility of using PVC or polypropylene vent material
• Approved for use with BTH 120, 150, 199, 250, 300, 400 and 500 Cyclone models and BTHL 150, 199, 250, 300, 400 and 500 models
• Approved for side wall (horizontal) vent applications only
• 50 Feet maximum equivalent length of straight pipe common vent and elbows