Country:

Appliance Adaptors

Available in both residential and commercial sizes.

Appliance Adaptors


Reliable Appliance Adaptor Solutions from Centrotherm

Centrotherm’s InnoFlue® Appliance Adaptors provide safe, reliable connections between high-efficiency appliances, such as boilers, furnaces, and water heaters, and InnoFlue® polypropylene vent systems. These adaptors are UL‑1738 / ULC‑S636 listed, engineered for quick installation without glue or solvents, and designed to maintain a secure, airtight seal for safe venting.

Each adaptor adapts a female PVC or CPVC coupler, or an appliance flue exhaust, to InnoFlue® single-wall diameters, making them versatile for residential and commercial applications.

Key Features of InnoFlue® Appliance Adaptors

  • UL Listed & Tested: Certified to UL‑1738 / ULC‑S636 for safe and code-compliant installations.
  • Versatile Connections: Adapts female PVC/CPVC couplers or appliance flue exhausts to InnoFlue® single-wall diameters.
  • No Glue or Solvents Required: Streamlined installation for a clean, reliable seal.
  • High-Temperature Rated: Compatible with flue gases up to 230°F (110°C).
  • Wide Compatibility: Available for PVC, CPVC, and stainless-steel appliance flues.
  • Built-in Gaskets & Flanges: Ensures airtight connections and reduces installation errors.

Typical Applications & Compatibility

  • Connecting boilers, furnaces, or water heaters to InnoFlue® polypropylene vent systems
  • Adapting PVC or CPVC appliance flue collars to InnoFlue® single-wall diameters
  • Residential and commercial installations requiring a secure, UL-listed adaptor
  • Retrofits or upgrades for existing vent systems to meet modern safety and performance standards

Why Choose InnoFlue® Appliance Adaptors?

Safe & Code-Compliant

UL-listed and tested adaptors provide peace of mind for installers and homeowners.

Flexible & Versatile Connections

Easily adapt PVC, CPVC, or stainless-steel appliance flues to InnoFlue® venting systems.

Quick & Reliable Installation

Built-in gaskets and flanges simplify setup, reduce labor time, and prevent leaks.

Durable & Long-Lasting

High-quality polypropylene resists corrosion, degradation, and flue-gas effects.

Expert Support & Documentation

Centrotherm provides manuals, an adaptor matrix, and technical guidance to select the correct appliance adaptor for your system.

Installation & Safety Tips

  • Always check your appliance installation manual for approved adaptor part numbers.
  • Use the InnoFlue® Appliance Adaptor Matrix to select the correct adaptor.
  • Ensure the adaptor is seated properly and gaskets/flanges are making full contact to prevent leaks.
  • Confirm appliance flue gas temperatures are within the system rating (up to 230°F).
Need Help Choosing?

Need Help Choosing?

Our customer service team is here to help. If you’d like more information or need advice before ordering, just get in touch.

Read more
Have Questions About These Products?

Have Questions About These Products?

Visit our FAQ page for answers to common questions about our products, ordering, delivery, and more. You may find the information you need right away.

Read more
Find a Sales Representative

Find a Sales Representative

Our sales representatives can help you find your nearest stockist, discuss your requirements, and advise where to buy. Find your local sales rep today.

Read more