Rinnai 224042 Universal Bug Guard

Concentric ventilation system for Rinnai tankless water heaters

Rinnai's unique Ubbink concentric venting system is easy to install and offers nothing but the best in performance and safety. Compatible with all indoor Rinnai water heaters, except the 98 series which uses separate intake and exhaust vents.

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)
  •  Bends and adapters are resistant to impact dents
  •  Metal outer tubing available when required by local codes

Plastic outer vent for intake

  •  Dent and impact resistant
  •  Easy to cut compared to stainless steel
  •  Corrosion-proof
  •  Casted elbows and adapters
  •  Seamless extruded materials
  •  White semi-gloss finish (EU RAL 9016)
  •  Non-flammable material (UL94-V0)

Aluminum inner vent for exhaust

  •  Stable, thick-walled material
  •  Easy to cut compared to stainless steel
  •  No weld lines
  •  Lightweight
  •  Scratch-proof
  •  Dent and crease resistant
  •  Seamless extruded material
  •  Thick-walled, casted elbows and adapters
  •  Seal rings with maximum temperature 400°F (200°C)

Features

  •  GSA approved
  •  Easy assembly
  •  Zero clearance to combustibles
  •  Professional installation recommended
  •  Single penetration through wall for both exhaust and intake
  •  Compatible with all indoor Rinnai water heaters except the 98 series
  •  Includes:
        →  (1) 90 degree elbow
        →  (1) 21" horizontal termination pipe
        →  Rubber wall plate
  

Available concentric water heater vent fittings

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