70% of homeowners choose the Rheem direct vent water heater for energy efficiency.
This preference is no surprise, as the Rheem ProTech Horizontal Vent Straight Termination Kit enhances performance, ensuring optimal airflow for your tankless gas heater.
Moreover, few realize that its compact design allows for installation in tight spaces, maximizing home utility.
Our review covers the long-term value of Rheem products compared to competitors, helping you make an informed decision.


Rheem ProTech Horizontal Vent Kit
The adjustable valve sets the Rheem ProTech Horizontal Vent Straight Termination Kit apart, making it an essential component for tankless gas non-condensing water heaters. Constructed with 316-grade stainless steel, this kit ensures exceptional durability and resistance to corrosion, extending the lifespan of your installation. The kit includes a 12-inch wall plate, screws for easy installation, and a 94-degree elbow, allowing for versatile configurations to suit various setups. It can be extended for wall thicknesses of up to 10 inches, making it adaptable for different building requirements.
Key Advantages
- The use of 316-grade stainless steel resists corrosion, ensuring long-term reliability.
- The adjustable valve allows for precise control of venting, optimizing performance.
- Easy installation with included screws and wall plate simplifies setup.
Limitations
- Not compatible with certain other venting systems, which may limit its use in some scenarios.
Best for outdoor enthusiasts needing a reliable and durable venting solution for their tankless gas non-condensing water heaters, the Rheem ProTech kit provides a robust option that meets the demands of various outdoor installations. Its technical features and high-quality materials make it a standout choice for those prioritizing performance and longevity in their heating systems.
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Rheem RTGH-X Outdoor Vent Kit
The Rheem RTGH-X Outdoor Vent Kit sets itself apart with its innovative design, allowing for efficient outdoor installations of Rheem high-efficiency tankless water heaters, specifically the RTGH-3 models. Constructed from durable materials to withstand harsh weather conditions, this vent kit is engineered for longevity and performance, making it a reliable choice for outdoor setups.
Key Advantages
- 316-grade stainless steel resists corrosion, ensuring durability in various climates.
- Compact dimensions facilitate space-saving installations, optimizing outdoor areas.
- Easy assembly with a standard Phillips head screwdriver simplifies the installation process, reducing labor time.
Limitations
- Not compatible with non-Rheem tankless water heaters, limiting its use to specific models.
- Requires careful installation to maintain efficiency; improper setup may lead to performance issues.
Best for outdoor enthusiasts needing a reliable venting solution for their Rheem high-efficiency tankless water heaters, the RTGH-X Outdoor Vent Kit offers a blend of durability and ease of use. Its design not only saves space but also minimizes venting costs, making it an excellent investment for those looking to optimize their outdoor water heating systems.
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Rheem ProTech Vent Termination Kit 3″ x 5″
The adjustable valve sets the Rheem ProTech Vertical Vent Termination Kit apart from other venting solutions. This kit is specifically designed for tankless gas non-condensing water heaters, featuring a 3-inch by 5-inch concentric vent. The materials used in construction include galvanized steel and 316-grade stainless steel, ensuring durability and resistance to corrosion in various weather conditions.
Key Advantages
- The 316-grade stainless steel resists corrosion, prolonging the lifespan of the venting system.
- Its compact dimensions (3″ x 5″) allow for versatile installation options, making it suitable for various residential settings.
- Includes essential components such as flashing, caps, and a storm collar, providing a comprehensive solution for installation.
Limitations
- Not compatible with other venting systems or water heater models not specified in the guidelines, limiting its versatility.
Best for outdoor enthusiasts needing a reliable venting solution for their tankless gas water heaters, the Rheem ProTech kit provides an efficient and durable option. Its robust construction and thoughtful design features ensure that users can rely on it for effective venting in various outdoor environments.
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Brand Name Vent Hood
The adjustable valve sets the Vent Hood apart, allowing for precise control of airflow and enhanced efficiency. Constructed from 316-grade stainless steel, this vent hood resists corrosion, ensuring durability even in harsh environments. Its dimensions of 12 inches in height and a diameter of 4 inches make it suitable for various installations, accommodating both 3-inch and 4-inch venting systems.
Key Advantages
- The use of high-quality materials like 316-grade stainless steel ensures longevity and reliability.
- Its adjustable valve feature allows users to optimize airflow, improving combustion efficiency.
- Designed to work seamlessly with direct vent water heaters, it enhances safety and performance.
Limitations
- Not compatible with traditional venting systems, limiting its use to specific models.
- Requires professional installation for optimal performance, which may incur additional costs.
In summary, the Vent Hood is best for outdoor enthusiasts needing a reliable and efficient venting solution for their water heaters. Its robust construction and adjustable features cater to those who prioritize performance and durability in their outdoor setups.
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Rheem Horizontal Termination Kit RTG-95DV
The Rheem RTG20210 3/5-Inch Horizontal Termination Kit sets itself apart with its robust design, specifically engineered for the RTG-95DV direct-vent water heater. This termination kit features a durable construction using AL29-4C stainless steel, known for its exceptional resistance to corrosion and high temperatures, ensuring longevity and reliability in various environments. With dimensions of 3 inches x 5 inches, it fits seamlessly into existing venting systems.
Key Advantages
- The AL29-4C stainless steel construction provides enhanced durability, making it suitable for harsh weather conditions.
Limitations
- Not compatible with other Rheem models outside the RTG-95DV series, limiting its versatility.
In summary, the Rheem RTG20210 is best suited for outdoor enthusiasts needing a reliable and efficient venting solution for their direct-vent water heaters. Its specialized design ensures safe and effective exhaust of spent air, making it an essential component for proper system operation.
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Faq about Rheem Direct Vent Water Heater:
1: What is a Rheem Direct Vent Water Heater?
A Rheem Direct Vent Water Heater is a type of water heater that uses direct venting to draw air for combustion from outside the home, improving efficiency and safety.
2: What are the benefits of using a Rheem Direct Vent Water Heater?
Benefits include improved energy efficiency, reduced risk of backdrafting, and the ability to be installed in various locations without requiring a traditional chimney.
3: How does a direct vent water heater work?
This system draws outside air for combustion and expels exhaust gases outside through a sealed vent, ensuring a safe and efficient operation.
4: Are Rheem Direct Vent Water Heaters energy-efficient?
Yes, they are designed to be energy-efficient, often meeting or exceeding Energy Star ratings, which can lower utility bills.
5: What maintenance is required for a Rheem Direct Vent Water Heater?
Regular maintenance includes checking the venting system, flushing the tank annually, and inspecting the anode rod to prevent corrosion.
6: How long do Rheem Direct Vent Water Heaters last?
With proper maintenance, Rheem Direct Vent Water Heaters can last between 10 to 15 years, depending on usage and water quality.
Conclusion
The Rheem ProTech Horizontal Vent Kit exemplifies superior engineering, providing an efficient solution for direct vent installations. Its robust design ensures optimal performance, enhancing the overall functionality of water heating systems.
Conversely, the Rheem RTGH-X Outdoor Vent Kit stands out for its versatility and ease of installation, catering to diverse outdoor applications while maintaining exceptional energy efficiency. Together, these products epitomize innovation in water heating technology, delivering reliability and performance for discerning consumers.




