

Rinnai/Ubbink 21" Concentric Horizontal Termination Diverter Kit 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 RL, Value and Luxury non-condensing models of water heaters. Not compatible with the Ultra 98 condensing series, which uses separate intake and exhaust venting.
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 (UL standard 94-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)
Features
• GSA approved
• Easy assembly
• Zero clearance to combustibles
• Professional installation recommended
• May be required by local or state code
• Single penetration through wall for both exhaust and intake
• Includes:
→ (1) 90 degree elbow
→ (1) 21" horizontal termination pipe
→ Rubber wall plate
• Front cover material: Powder coated galvanized steel
Available concentric water heater vent fittings
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