Blogs & Bulletins
Rinnai has officially added InnoFlue® Lite to their installation manual. They released a technical bulletin announcing the approval of InnoFlue® Lite venting for indoor models of Tankless Water Heaters, I-SERIES+ Boilers, I-SERIES Boilers, and M-Series Boilers.
In this technical bulletin, they highlighted that the tankless water heater and boiler models listed above are approved for use with InnoFlue® Lite for both exhaust and air intake. InnoFlue® Lite is a polypropylene venting system certified to CE 14471.
Key features include:
- Designed for use with condensing, gas-burning appliances operating under positive/negative pressure (Category II & IV, Canada – Air Intake)
- Certified as a complete system including pipes, fittings, cement, and venting accessories
- Rated for flue gas temperatures up to and including 230°F (110°C)
- Cannot be mixed with vent components from other manufacturers
- Termination options include:
- Low Profile Side Wall Termination Kits (Twin Pipe)
- Concentric Vent Termination Kits
- Single Wall Vent or Elbow with Bird Screen
Last Updated: 6/01/2026