Rinnai 223182 Universal Concentric Horizontal Termination Kit, 21"

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. This part number 223182, supercedes STDKITVA-S21 and STDKITVA-A21.

Features

• 21 inches long
• Easy to connect
• Zero clearance to combustibles
• Rinnai LSi and RCi series tankless water heaters
• 3"- 5" Concentric
• Application: Bathroom faucet
• Color: White

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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