Pros and Cons of the Rinnai V53DeP Tankless Hot Water Heater

The Rinnai V53DeP Tankless Hot Water Heater stands out in the Japanese gas water heater market with its 16L capacity. While 20L units are common and similarly priced, the 16L is positioned as a “specialized customization,” offering cost savings without compromising performance. This makes it an ideal choice for households like the one described, with a kitchen and bathroom.

Key features include endless hot water supply, thanks to its compact and durable design tailored to fit various homes and lifestyles. The tankless gas water heater is energy and space-efficient, heating water only when necessary and incorporating enhanced scale detection to prevent potential long-term damage. It ensures optimal water pressure, delivering a high-performance flow rate of up to 5.3 gallons per minute, sufficient for simultaneous use by up to 4 appliances.

Professional installation is recommended for proper setup, and Rinnai provides a Find a Rinnai PRO service to locate qualified technicians. With a robust residential warranty, including 10 years for the heat exchanger, 5 years for labor, and 1 year for parts, the Rinnai V53DeP offers a reliable, energy-efficient solution for consistent hot water needs.

Pros:

1. Endless Hot Water Supply: Users praise the Rinnai V53DeP for its ability to provide an unlimited flow of hot water throughout the house, even when multiple appliances are running simultaneously.
2. Ease of Installation: Described as super easy to install, many users appreciate the straightforward setup process, contributing to a positive initial experience.
3. Excellent Performance in Showers: Users highlight the incredible performance of the water heater in showers, improving water pressure and offering a satisfyingly steamy experience. The ability to balance between hot and cold sides enhances the showering experience.
4. Energy Efficiency: The unit is lauded for its efficiency, with one user stating that it uses less than half the propane compared to their previous unit, resulting in potential savings over time.
5. Adjustable Temperature: Users appreciate the capability to adjust the water temperature easily, with customer support readily available for assistance. The ability to set the temperature to 140 degrees Fahrenheit is highlighted.
6. Powerful Output: The Rinnai V53DeP is commended for its ability to provide hot water at high pressure, enabling tasks like washing a car with steaming hot water without a drop in performance.
7. Fine Water Flow Control: Users mention the fine controls of the unit, allowing for a trickle of hot water, unlike previous models that required a higher flow to activate.
8. Long-lasting and Reliable: Positive comments regarding the longevity and reliability of the unit, with some users mentioning years of use without the need for servicing.
9. Professional Installation Recommended: While not a direct feature, the recommendation for professional installation ensures proper setup, contributing to the unit’s overall performance and reliability.
10. Durable Design: The unit’s physical durability and compact design are noted, making it suitable for various installation locations, including outside walls, freeing up indoor space.

Cons:

1. Unclear Instructions: Some users express dissatisfaction with the clarity of the installation instructions, stating that they were not very clear, potentially causing confusion during setup.
2. Electric Input Port Design: A user reports disappointment with the electrical input port design, mentioning a lack of a clear way to clamp the flex conduit in place, along with concerns about the wire size.
3. Gas Supply Requirement: One user highlights the need for a 3/4″ gas supply, which may require additional plumbing work if the existing setup doesn’t meet the specifications.
4. Lag Time for Hot Water: A slight lag time for hot water to reach the shower is mentioned as a trade-off for the overall energy efficiency and cost savings.

Installation Process

1. Examine Components: Begin by reviewing the provided components and note that an exhaust pipe is not included in the package.
2. Plan Exhaust System: Plan the exhaust system, opting for a straightforward setup involving a 90-degree bend, a straight pipe, and an outdoor pipe—totaling three pipes.
3. Check Existing Hole: Assess the existing hole for compatibility. If it’s too small, make a note to enlarge it during the installation.
4. Prepare for Enlargement: Given the need for hole enlargement, gather necessary tools and materials. If the home has undergone recent renovation, consider purchasing dustproof bags to prevent mess.
5. Purchase Exhaust Pipe: Procure the exhaust pipe separately, keeping in mind its unique size and the potential challenge of finding suitable sellers.
6. Assemble Components: Assemble all components, including the exhaust pipe, ensuring everything is ready for installation.
7. Mark Wall for Drilling: Mark the designated spots on the wall for drilling holes, maintaining precision for the unique exhaust pipe size.
8. Drill Exhaust Hole: Drill the exhaust hole carefully, considering the non-flexible nature of this exhaust pipe. Precise alignment is crucial.
9. Connect Components: Once the exhaust hole is ready, proceed with connecting the water pipes, gas pipe, transformer, exhaust pipe cover, and the gas water heater cover.
10. Evaluate Installation Status: Acknowledge that the installation might not be completed immediately. Evaluate the progress, considering external factors such as a busy period coinciding with the arrival of goods.
11. Manage After-Effects: Understand that significant after-effects may follow a busy installation period, including daily sweating and fatigue.
12. Personal Involvement: Acknowledge the preference for personal involvement in the renovation process rather than relying on external assistance.

In conclusion, the Rinnai V53DeP Tankless Hot Water Heater receives overwhelmingly positive reviews for its endless hot water supply, ease of installation, energy efficiency, and reliable performance. Users appreciate its ability to enhance shower experiences, adjust temperatures, and provide high-pressure hot water for various tasks. While a few users express concerns about instructions and specific design elements, the majority strongly recommend the unit for its long-lasting quality and cost-effectiveness.