Concentric venting for indoor Rinnai condensing water heaters
The Ubbink condensing concentric vent system is a part of Rinnai's direct vent tankless water heating system, and has been tested and approved by a third party testing agency. Rinnai RCi Tankless Water Heaters use concentric venting with an inner pipe which is designed to withstand changing flue temperature conditions which happens over the life of a condensing heater.
Plastic Outer Vent for Intake
• Easier to cut than stainless steel
• Dent and impact resistant
• Casted elbows and adapters
• Seamless extruded materials
• White Semi-Gloss Finish (EU RAL 9016)
• Corrosion-Proof Non-Flammable Material (UL94-V0)
Polypropylene Inner Vent For Exhaust
• Easier to cut than stainless steel
• Stable, thick-walled material
• Crease, dent and scratch resistant
• Casted elbows and adapters
• Seamless extruded material with no weld lines
• Lightweight seal rings with maximum operating temperature of 400°F (Approx. 200°C)
Safety Features
• GSA approved zero clearance to combustibles
• Specially engineered for gas appliance venting
• Two layers of pipe means two layers of protection
• Positive fit and lock allows installation assurance
• Seals at all joints expand and contract with changes in temperature to avoid flexing and cracking
• No flammable glues or solvents used
Includes
• (1) 90° Elbow
• (1) 12" Horizontal Termination Pipe Rubber Wall Plate
Available concentric water heater vent fittings
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