Intertherm Flue Extension 5in x 18″ Inside Review

Let’s Talk About Intertherm Flue Extension 5in x 18″ Inside

The Intertherm Flue Extension 5in x 18″ Inside is a seemingly simple component, but it plays a critical role in ensuring the safe and efficient venting of your Intertherm furnace. Manufactured by Intertherm, this flue extension is designed to bridge the gap between your furnace and the roof jack, providing a necessary extension of 18 inches.

My journey to acquiring the Intertherm Flue Extension 5in x 18″ Inside began when I realized my existing flue wasn’t quite reaching the roof jack after some necessary renovations. This seemingly small discrepancy was causing backdrafting issues, a serious safety hazard, prompting an immediate need for a solution. Upon unboxing, my initial impressions were of solid, albeit basic, construction. The steel felt durable and capable of withstanding the rigors of a heating system’s environment.

While there are other flue extensions available, I opted for the Intertherm Flue Extension 5in x 18″ Inside for its precise fit with my existing Intertherm furnace system. The Intertherm brand’s reputation for quality and compatibility gave me confidence in its performance. Honestly, I was initially more relieved than excited. Finding the right part to solve a potential carbon monoxide issue is hardly thrilling, but definitely necessary!


Real-World Testing: Putting Intertherm Flue Extension 5in x 18″ Inside to the Test

First Use Experience

The first test was simply installation. Luckily, it was a dry, mild day when I tackled this project. The fit was snug and secure, requiring no modifications, and providing the exact extension I needed.

Immediately after installation, I fired up the furnace and monitored the draft. The backdrafting issue was resolved, and the furnace vented properly, indicating the Intertherm Flue Extension 5in x 18″ Inside was performing exactly as intended. I didn’t encounter any unexpected issues or surprises, just a smooth, successful installation.

Extended Use & Reliability

Now, several months into the heating season, the Intertherm Flue Extension 5in x 18″ Inside continues to perform flawlessly. There are no signs of rust or corrosion, which speaks to the quality of the materials used. Regular visual inspections are part of my routine home maintenance, and this flue extension has shown no signs of deterioration.

Compared to a generic flue extension I used years ago in a different home, the Intertherm Flue Extension stands out for its perfect fit and seemingly superior durability. It outperforms my previous experiences simply because it solves the problem without creating new ones.

Breaking Down the Features of Intertherm Flue Extension 5in x 18″ Inside

Specifications

  • The Intertherm Flue Extension 5in x 18″ Inside features an inside diameter of 5 inches. This is crucial for ensuring a proper connection to the furnace’s exhaust outlet.
  • It also boasts an outside diameter of 8.25 inches. This measurement dictates compatibility with the roof jack or other venting components.
  • The extension length is exactly 18 inches. This specification addresses situations where the standard flue connection is insufficient to reach the roof jack.

These dimensions are critical because they ensure a secure, leak-proof connection, preventing exhaust gases from entering the living space. The proper fit also optimizes the furnace’s venting efficiency.

Performance & Functionality

The Intertherm Flue Extension 5in x 18″ Inside performs its primary function – extending the flue – perfectly. Its straightforward design minimizes any potential points of failure, leading to reliable performance. There are no moving parts or complex mechanisms; it simply channels exhaust gases safely and efficiently.

The flue extension meets my expectations because it provides a secure and durable extension to my existing flue system, resolving the backdrafting issue. It’s a simple solution to a potentially dangerous problem.

Design & Ergonomics

The Intertherm Flue Extension 5in x 18″ Inside is constructed from what appears to be durable steel. The weight feels substantial enough to suggest resilience without being overly heavy to handle during installation. Its cylindrical design ensures a smooth and unobstructed flow of exhaust gases.

The Intertherm Flue Extension 5in x 18″ Inside requires no user manual. Its design is so simple and intuitive that anyone with basic HVAC knowledge can install it correctly.

Durability & Maintenance

Given its solid steel construction, I expect the Intertherm Flue Extension 5in x 18″ Inside to last for many years, potentially exceeding the lifespan of the furnace itself. Regular visual inspections to check for rust or corrosion are all that’s needed for maintenance.

The flue extension’s simple design makes it unlikely to require any repairs. However, if damage were to occur, replacement is the most practical solution.

Accessories and Customization Options

The Intertherm Flue Extension 5in x 18″ Inside is a standalone component and does not come with any additional accessories. Customization options are limited, as its primary function is to provide a specific length of flue extension. Compatibility with other brands’ accessories would primarily depend on matching the 5-inch inside diameter.

Pros and Cons of Intertherm Flue Extension 5in x 18″ Inside

Pros

  • Precise Fit: Designed specifically for Intertherm furnaces, ensuring seamless integration.
  • Durable Construction: Made from robust steel, offering long-lasting performance.
  • Easy Installation: Simple, straightforward design for quick and hassle-free installation.
  • Effective Solution: Provides the necessary extension to resolve venting issues effectively.
  • Safety Assurance: Helps prevent dangerous backdrafting and carbon monoxide leaks.

Cons

  • Brand Specific: Best suited for Intertherm furnaces, limiting its versatility with other brands.
  • Limited Customization: Offers minimal customization options beyond its intended function.


Who Should Buy Intertherm Flue Extension 5in x 18″ Inside?

The Intertherm Flue Extension 5in x 18″ Inside is perfect for homeowners with Intertherm furnaces who need to extend their flue system to meet venting requirements. It is also ideal for HVAC technicians working on Intertherm furnace installations or repairs.

This product is not suitable for individuals with non-Intertherm furnaces unless they can confirm compatibility with the 5-inch inside diameter. Additionally, those who require a flue extension of a different length should explore alternative options.

A tube of high-temperature sealant is a must-have accessory for ensuring a leak-proof connection during installation.

Conclusion on Intertherm Flue Extension 5in x 18″ Inside

The Intertherm Flue Extension 5in x 18″ Inside is a reliable and effective solution for extending the flue system of your Intertherm furnace. While the price of $159.99 might seem high for a simple piece of metal, the peace of mind it provides, knowing your furnace is venting safely, justifies the cost.

I would definitely recommend the Intertherm Flue Extension 5in x 18″ Inside to anyone needing a specific extension length for their Intertherm furnace. It’s a small investment that can make a big difference in the safety and efficiency of your heating system. Don’t risk your family’s health with makeshift solutions – invest in the right part for the job!

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