Tankless Gas Water Heater Venting Secrets You Didn’t Know About

Cheap venting solutions disappoint—but Rheem ProTech delivers reliability.

When it comes to venting for tankless gas water heaters, choosing the right components is essential. The **Rheem ProTech 90 Degree Elbow** offers efficient airflow, while the **Concentric Straight Pipe** excels in versatility for installations.

For complex installations, the Rheem ProTech Horizontal Vent Kit stands out with its robust design, ensuring a secure fit even with maximum wall thickness.

Below, we analyze budget, lifespan, and real-user feedback.

tankless gas water heater ventingtankless gas water heater ventingtankless gas water heater venting

tankless gas water heater venting

Rheem ProTech 90° Elbow for Tankless Heaters

#1 CHOICE

Rheem ProTech 90 Degree Elbow for venting Rheem Tankless Non-Condensing Gas Water Heaters - RTG20271

Rheem ProTech 90 Degree Elbow for venting Rheem Tankless Non-Condensing Gas Water Heaters – RTG20271: 5” diameter, ABS plastic, 1-year limited warranty.

Benefits

  • Fast, easy installation with a 1-step connection.
  • Leak-proof seamless precision formed gasket ensures reliable performance.
  • Prevents venting sag and wobble for improved safety and efficiency.

Drawbacks

  • Limited to specific models, may not fit all tankless water heaters.

A practical pick for efficient venting solutions. The Rheem ProTech 90 Degree Elbow is designed to simplify installation while maintaining the integrity of your gas water heater system. Its robust ABS plastic construction offers durability, ensuring it withstands the rigors of venting applications.

With a focus on ease of use, the one-step connection minimizes installation time, making it ideal for both DIY enthusiasts and professionals alike. The leak-proof gasket adds a layer of reliability, preventing any unwanted gas leaks that could compromise safety.

However, potential buyers should note that this elbow may not be compatible with all tankless gas water heaters, which could limit its application. Overall, if you’re looking for a dependable venting solution that offers straightforward installation, the Rheem ProTech 90 Degree Elbow is a solid choice for maintaining your home’s hot water needs.

To buy this product, click here.

Rheem ProTech 36″ Concentric Vent Pipe

#2 CHOICE

Rheem ProTech Concentric Straight Pipe (36") for Venting Tankless Gas Non-Condensing Water Heaters - RTG20270D

Rheem ProTech Concentric Straight Pipe: 36” long, stainless steel, 1-year limited warranty.

Benefits

  • Fast, easy installation with a one-step connection.
  • Leak-proof seamless precision formed gasket ensures reliability.
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Drawbacks

  • Only available in one length, limiting customization options.

The Rheem ProTech Concentric Straight Pipe is designed specifically for venting tankless gas non-condensing water heaters. Its stainless steel construction ensures durability and resistance to corrosion, making it a long-lasting choice for homeowners. The 36” length is ideal for most applications, providing ample reach without excessive material.

One of the standout features is the fast and easy installation process. The one-step connection allows for a straightforward setup, saving time and effort during installation. Additionally, the leak-proof seamless precision formed gasket adds an extra layer of security, preventing any potential leaks that could compromise the system’s efficiency.

However, it’s worth noting that the product is only available in a single length, which may not suit every installation scenario. Users with specific venting needs may require additional components for a perfect fit.

Overall, the Rheem ProTech Concentric Straight Pipe is a practical pick for small spaces and those seeking a reliable venting solution for their tankless water heaters.

To buy this product, click here.

Rheem ProTech Horizontal Vent Kit

#3 CHOICE

Rheem ProTech Horizontal Vent Straight Termination Kit for Tankless Gas Non-Condensing Water Heaters (Max Wall Thickness 10") - RTG20280-1

Rheem ProTech Horizontal Vent Straight Termination Kit: 12” long, durable stainless steel, 2-year warranty.

Benefits

  • Compatible with up to 10” walls for versatile installation.
  • Includes 94-degree elbow for efficient venting.
  • 12-inch wall plate provided with screws for easy setup.

Drawbacks

  • No additional accessories included for extended installations.

The Rheem ProTech Horizontal Vent Straight Termination Kit is designed specifically for tankless gas non-condensing water heaters. Its durable stainless steel components ensure longevity and reliability. The kit includes a 12-inch wall plate along with screws, making installation straightforward. The 94-degree elbow allows for flexible venting options, which can be crucial in tight spaces.

One of the standout features is its compatibility with wall thicknesses up to 10 inches, making it a versatile choice for various installations. However, it is important to note that there are no additional accessories included for extended installations, which might require additional purchases depending on your setup.

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This product is ideal for homeowners looking for a reliable venting solution for their tankless water heaters, particularly in small spaces where efficient design is key.

To buy this product, click here.

Rheem ProTech 12″ Concentric Vent Pipe

#4 CHOICE

Rheem ProTech Concentric Straight Pipe (12") for Venting Tankless Gas Non-Condensing Water Heaters - RTG20270B

Rheem ProTech Concentric Straight Pipe: 12” long, stainless steel, 1-year limited warranty.

Benefits

  • Fast, easy installation with a one-step connection.
  • Leak-proof seamless precision formed gasket ensures durability.
  • Designed specifically for tankless gas water heaters, enhancing efficiency.

Drawbacks

  • Limited to 12” length, may not suit all installation needs.

This pipe is a reliable choice for venting tankless gas non-condensing water heaters. Its stainless steel construction offers longevity and resistance to corrosion, making it ideal for various environments. The installation process is straightforward, allowing users to connect it with minimal effort. The leak-proof gasket is a standout feature, providing peace of mind that your setup will remain secure over time.

However, the 12” length may restrict your options if your installation requires longer pipes. Additionally, while the product is robust, it comes with a limited 1-year warranty, which may be a concern for some users looking for extended coverage.

A practical pick for small spaces, the Rheem ProTech Concentric Straight Pipe is designed to meet specific venting needs efficiently. If you have a tankless gas water heater and need a dependable venting solution, this product is worth considering.

To buy this product, click here.

CAMPLUX 3 Inch Stainless Steel Vent Kit

#5 CHOICE

Vent Kit(Only applicable for 3 Inch) Stainless Steel Tankless Water Heater Vent Kit With Elbow,Compatible with CAMPLUX Ranein FOGATTI Forimo ORBEK MIZUDO GASLAND Marey gas tankless water heaters

Vent Kit: 24.1” long, stainless steel, universal fit for most gas tankless water heaters.

Benefits

  • Durable construction ensures long-lasting performance and corrosion resistance.
  • Easy installation allows for straightforward setup, reducing time and effort.
  • Space-saving design fits well in various residential or commercial settings.
  • Complete kit includes a 3” elbow for hassle-free installation.

Drawbacks

  • Not suitable for 4” venting systems, limiting compatibility with some models.
  • Requires precise measurements during installation to ensure a proper fit.

A practical pick for efficient venting solutions in small spaces.

To buy this product, click here.

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Faq about Tankless Gas Water Heater Venting:

1: What is tankless gas water heater venting?

Tankless gas water heater venting refers to the system used to expel exhaust gases produced during the heating process. Proper venting is essential for safe operation and efficiency.

2: What types of venting are available for tankless gas water heaters?

Common venting types include direct vent, power vent, and natural vent systems. Each type has specific installation requirements and benefits.

3: Do tankless gas water heaters require special venting?

Yes, tankless gas water heaters often require specific venting materials, such as PVC, CPVC, or stainless steel, to handle high temperatures and corrosive gases.

4: Can I vent a tankless gas water heater through a wall?

Yes, many tankless gas water heaters can be vented through an exterior wall. This is common for direct vent models, which use outside air for combustion.

5: How far can I vent a tankless gas water heater?

The venting distance varies by model, but typically, it can be vented up to 100 feet. Always refer to the manufacturer’s specifications for exact limits.

6: What are the signs of improper venting?

Signs include unusual odors, poor performance, and condensation or moisture around the vent area. These issues indicate potential venting problems that need immediate attention.

Conclusion

The Rheem ProTech 90° Elbow exemplifies superior engineering, facilitating optimal airflow while maintaining system efficiency. Its innovative design ensures seamless integration with tankless gas water heater venting, thus enhancing overall performance.

Conversely, the Rheem ProTech 36″ Concentric Vent Pipe offers remarkable versatility, ensuring a secure and efficient venting solution. This product’s robust construction guarantees longevity and reliability, making it an indispensable component for any tankless system.