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 venting.
Features
• 21 inches long
• Easy assembly
• Zero clearance to combustibles
• Single wall penetration for both exhaust and intake
Plastic Outer Vent For Intake
• Corrosion-proof
• Dent and impact resistant
• Casted elbows and adapters
• Seamless extruded materials
• Easier to cut than stainless steel
• Non-flammable material (UL94-V0)
• White semi-gloss finish (EU RAL 9016)
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 of 400°F (Approx. 200°C)
Available concentric water heater vent fittings
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