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InnoFlue® Lite: Cost-Effective Flue Gas Venting

Heavy on Safety | Lite on Your Pocket

InnoFlue® Lite | Poly Pro Flue Vent & Flue Gas Venting.

What is InnoFlue® Lite as a gas flue vent system?

Our InnoFlue® Lite range offers the same great timesaving capabilities as InnoFlue® poly pro venting, at a fraction of the cost. The only difference? It does not contain flame retardants required to meet UL-1738. Ideal for use with water heaters, tankless water heaters, furnaces, boilers, and other high-efficiency heating appliances for flue gas venting, Innoflue® Lite, polypropylene flue vent systems are designed to work seamlessly with your heating system and condensing equipment as a reliable poly pro venting solution. Just like InnoFlue® Polypropylene, Innoflue® Lite:

  • Is rated up to 230°F (110°C)
  • Is extremely lightweight 
  • Has no cure time
  • Has the same pressure drops, maximum lengths, and termination performance as our standard polypropylene vent pipe
  • Is fully recyclable 
  • Has our industry's first 10-year limited warranty

Want to learn more about the benefits of InnoFlue® Lite for cost-effective flue gas venting or place an order? Complete the form below and someone from the Centrotherm team will be in touch.


InnoFlue Lite installation guide and catalog

Installation Guidelines and Best Practices:

Download our InnoFlue® Lite Catalog and Installation Manuals


Key Benefits of InnoFlue® Lite for polypropylene venting.

  • Price Leading: Priced 10% less than Scheduled 40 PVC for cost-effective flue gas venting.
  • We're Selling a System: InnoFlue® Lite is engineered as a SAFE flue vent system. 
  • Ease of gas flue vent Installation: Easier for HVAC contractors to carry, maneuver, and lift on ladders or in crawl spaces.
  • Warranty: Like InnoFlue®, InnoFlue® Lite also comes with an industry-leading 10-year limited warranty.
  • Temperature: 230°F maximum operating temperature.
  • Reduced SKUs: Simplified portfolio, reduced inventory level, and ordering complexity.

We partner with a wide range of sales reps around North America. Check out the full list and get in touch with your nearest rep to get your hands on InnoFlue® Lite. 


Understanding Flue Vent Systems: A Key Component in Installations.

Flue vent systems play a crucial role in safely directing exhaust gases from heating appliances, such as boilers, furnaces, and water heaters, to the outside environment. Proper venting ensures efficient operation and compliance with safety standards.

These systems are fully compatible with InnoFlue® Lite, providing a lightweight, cost-effective polypropylene venting solution for your installations.

What is a flue vent?

flue vent is a pipe or duct system designed to expel combustion gases from heating appliances. It is essential for:

  • Safety: Preventing the accumulation of harmful gases indoors
  • Efficiency: Ensuring optimal appliance performance
  • Compliance: Meeting building codes and manufacturer specifications

Types of flue vent systems.

Flue vent systems vary based on material, design, and application. Common types include:

  • Single Wall Venting: Rigid pipes suitable for direct venting applications
  • Concentric Venting: Combines exhaust and intake in a single pipe, reducing installation complexity
  • Flexible Venting: Offers versatility in routing, ideal for retrofit projects

All these types can be implemented using InnoFlue® Lite components to ensure safe, efficient, and reliable venting.

Applications of flue vent systems

Flue vent systems are integral to the following installations:

  • Condensing Boilers: Efficiently venting low-temperature gases
  • Tankless Water Heaters: Compact venting solutions for space-saving designs
  • High-Efficiency Furnaces: Ensuring safe expulsion of combustion gases

Using InnoFlue® Lite ensures these applications are cost-effective, easy to install, and fully compliant with venting standards.

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