Rinnai 184127 Concentric Roof Discharge Termination, 18"

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.

Metal Outer Vent For Intake

• Galvanized steel
• Casted Elbows And Adapters
• 15% thicker than stainless steel
• Easier to cut than stainless steel
• White semi-gloss finish (EU RAL 9016)
• Metal outer tubing when required by local codes
• Bends and adapters are resistant to impact dents

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
• GSA approved
• Easy assembly
• Professional installation recommended
• Overall Length: 39.3"
• Diameter: 4.875"
• Height Above Roof: 18"

Available concentric water heater vent fittings

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