The Rinnai 500mm Flue Extension is designed to extend both horizontal and vertical flue runs for Rinnai condensing gas water heaters, including the N-Series models (1000i, 1300i, 1600i) and KCM24i. Ideal for installations requiring longer flue routing, this 1000mm extension ensures safe and efficient exhaust of combustion gases while maintaining optimal air intake.
Engineered for use with Rinnai coaxial 80/125mm flue systems, this extension is manufacturer-approved for maintaining full compliance with system performance and installation standards. Perfect for domestic and light commercial installations that require flexibility in flue placement.
✅ 500mm Length – Ideal for extended flue runs in compact or complex installations
✅ Horizontal & Vertical Compatibility – Suitable for both through-wall and through-roof flueing
✅ Compatible Models – Designed for Rinnai 1000i, 1300i, 1600i N-Series and KCM24i condensing units
✅ 80/125mm Coaxial System – Ensures efficient air intake and flue gas discharge
✅ Durable & Weather-Resistant – Built for long-lasting performance in all installation conditions
✅ Manufacturer Approved – Full compatibility and compliance with Rinnai condensing water heater systems
This robust extension piece enables greater installation flexibility and helps meet regulatory requirements for longer or non-standard flue runs—ideal for professional installers working on residential and light-commercial systems.
Order now to complete your extended flue configuration with the trusted Rinnai 500mm Flue Extension – safe, reliable, and fully compatible.
| Manufacturer | Rinnai |
|---|---|
| Product Type | Flue Extension |
| Compatibility | Rinnai 1000i, 1300i, 1600i (N-Series), and KCM24i condensing water heaters |
| Application | Extends flue length for horizontal or vertical installations |
| Flue Terminal Size | 80/125mm wall terminal |
| Roof Terminal Length | 500mm |
| Flue Type | Coaxial Flue |
| Material | Weather-resistant, corrosion-resistant components |
| Installation | Horizontal or vertical flue runs |
| Suitable Applications | Extends flue length for horizontal or vertical installations of Rinnai 1000i, 1300i, 1600i (N-Series), and KCM24i internal condensing water heaters in residential or light-commercial settings. |
✅ 500mm Length – Ideal for extended flue runs in compact or complex installations
✅ Horizontal & Vertical Compatibility – Suitable for both through-wall and through-roof flueing
✅ Compatible Models – Designed for Rinnai 1000i, 1300i, 1600i N-Series and KCM24i condensing units
✅ 80/125mm Coaxial System – Ensures efficient air intake and flue gas discharge
✅ Durable & Weather-Resistant – Built for long-lasting performance in all installation conditions
✅ Manufacturer Approved – Full compatibility and compliance with Rinnai condensing water heater system
