Concentric ventilation system for Rinnai tankless water heaters
Rinnai's unique Ubbink concentric venting system offers maximum performance, and safety, while still being easy to install. Compatible with all indoor Rinnai water heaters, except the 98 series which uses separate intake and exhaust vents.
Features
• GSA approved
• Easy assembly
• Can be cut to size
• Zero clearance to combustibles
• Professional installation recommended
• Elbow might be needed for venting applications
Metal Outer Vent For Intake
• Painted galvanized steel
• Casted elbows and adapters
• Easier to cut than stainless steel
• White semi-gloss finish (EU RAL 9016)
• Dent and impact resistant bends and adapters
• Wall thickness is 15% more than stainless steel
Aluminum Inner Vent For Exhaust
• Lightweight
• No weld lines
• Not affected by scratches
• Dent and crease resistant
• Seamless extruded material
• Stable, thick-walled material
• Easier to cut than stainless steel
• Thick-walled, casted elbows and adapters
• Seal rings with maximum temperature 400°F (Approx. 200°C)
Available concentric water heater vent fittings
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