
The Rinnai RGB-25U-C is a 25kW natural gas tankless water heater recess box designed for use with the Rinnai RL94e and RL75e series models. This steel recess box offers a streamlined installation process and ensures a secure and proper fit for your water heater.
The RGB-25U-C is constructed from heavy-gauge steel, offering superior durability and protection against the elements. Its sleek, modern design complements any decor and is ideal for both residential and commercial applications. The box features a front access door with a locking latch, providing easy access to the internal components for maintenance and servicing.
The top of the recess box is designed to accommodate a standard 2" PVC vent pipe, making it simple to vent the water heater. The rear of the box includes a 4" x 10" access panel for electrical connections, allowing for easy wiring and installation.
The RGB-25U-C is designed to be installed with a minimum clearance of 1 inch on all sides, making it a versatile option for installation in various locations. It also includes a built-in condensate drain, simplifying the installation process and reducing the need for additional components.
This recess box is designed to work with Rinnai's RL94e and RL75e series tankless water heaters, offering a factory-matched solution for a secure and efficient installation. With its robust construction, easy installation, and versatile design, the Rinnai RGB-25U-C is an excellent choice for anyone looking to upgrade their water heater system.
The Rinnai RGB-25U-C 25kW Natural Gas Tankless Water Heater with RL94e and RL75e Recess Boxes is a popular choice for those seeking an efficient and space-saving water heating solution. Let's examine the pros and cons of purchasing this system.
Pros:1. Energy Efficiency: Tankless water heaters, including the Rinnai RGB-25U-C, heat water on demand, eliminating the need for a storage tank and the associated standby energy losses. This results in significant energy savings compared to traditional storage tank water heaters.
2. Compact Design: The inclusion of the RL94e and RL75e recess boxes makes this system an excellent choice for installations with limited space. The compact design allows for easy installation in tight areas, such as closets or utility rooms.
3. Continuous Hot Water Supply: Tankless water heaters provide a continuous supply of hot water, ensuring that you always have an ample amount of hot water for your needs.
4. Long Lifespan: Rinnai tankless water heaters are known for their durability and long lifespan. With proper maintenance, the RGB-25U-C can last up to 20 years or more.
5. Condensing Technology: The RGB-25U-C utilizes condensing technology, which extracts more heat from the exhaust gases, resulting in increased energy efficiency and lower operating costs.
Cons:1. Initial Cost: The upfront cost of a tankless water heater, including the RGB-25U-C and required installation components, can be higher than that of a traditional storage tank water heater.
2. Installation Complexity: The installation of a tankless water heater, such as the RGB-25U-C, can be more complex than that of a storage tank water heater. Professional installation is highly recommended to ensure proper functionality and safety.
3. Potential for Higher Energy Bills: While the RGB-25U-C is more energy-efficient overall, there may be instances where the higher upfront cost and potential for increased energy usage, particularly during peak demand periods, could result in higher energy bills.
4. Potential for Mineral Buildup: Hard water areas may experience mineral buildup in the heat exchanger, which can reduce the efficiency of the water heater over time. Regular maintenance is essential to mitigate this issue.
Conclusion:The Rinnai RGB-25U-C 25kW Natural Gas Tankless Water Heater with RL94e and RL75e Recess Boxes offers numerous advantages, including energy efficiency, compact design, and continuous hot water supply. However, it also comes with some disadvantages, such as a higher upfront cost, installation complexity, and potential for higher energy bills or mineral buildup.
Ultimately, the decision to purchase the RGB-25U-C depends on your specific needs, budget, and installation conditions. If you have limited space, require a reliable and energy-efficient water heating solution, and are willing to invest in the upfront cost and professional installation, the Rinnai RGB-25U-C may be an excellent choice for you.
Recommendation:If you are considering purchasing the Rinnai RGB-25U-C 25kW Natural Gas Tankless Water Heater with RL94e and RL75e Recess Boxes, we recommend conducting thorough research, consulting with a professional plumber or HVAC technician, and carefully considering the pros and cons to determine if this system is the best fit for your needs and budget. Additionally, ensuring that your installation meets all local building codes and regulations is crucial for safe and efficient operation.
Details:
It was only removed from the box to take photos. Brand new Rinnai rgb 25u c universal recess box never installed. Durable steel construction for long-lasting performance. Condition: brand new, in excellent condition.
Opened for pictures only. Nothing else. Whats included: everything shown in the pictures is included. Key features: designed for outdoor installation of compatible Rinnai thankless water heaters.
Provides secure, recessed enclosure to protect your unit from weather. This Rinnai rgb 25u c recess box is brand new and has never been installed.
specifications maxohvac:
- brand: Rinnai
- mpn: Rgb-25u-c
- type: Universal Recess Box / Wall Enclosure
- unit type: Unit
- country of origin: United States
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- rating: 100.0%
- # reviews: 61
- city: tacoma, washington
shipping maxohvac:
- transit: 5-11 days
- class: standard
- service: fedex ground / fedex home delivery
- carrier: fedex
- type: calculated
payments maxohvac:
- other
- credit card: diners-club
- wallet: apple-pay
offer maxohvac:
- prices: $49.99–$977.00
- item condition:
- Open box
- New
- options: ship-to-home
- availability: in stock
- best offers: true
- in stock #: 5
- sold #: 14
- started: november 15, 2025
returns maxohvac:
- policy: no returns