Rinnai REP199eN Smart-Circ Natural Gas Tankless Water Heater Review: Specs, Pros and Cons
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This rinnai rep199en smart circ natural gas tankless water review covers the Rinnai Smart-Circ Outdoor Natural Gas Water Heater. It is a compact, non-condensing unit designed for outdoor installation. The device delivers a flow rate of 7.6 GPM, enough for six fixtures running simultaneously. Its dimensions are 24.6 x 14.1 x 10.8 inches, fitting into tight spaces like a small suitcase. The unit burns natural gas to heat water on demand. It also includes a built-in recirculation pump with Smart-Circ technology. This feature learns your water usage patterns to schedule operation. The result is improved energy efficiency and convenience for your home.
What stands out
- Built-in Smart-Circ recirculation pump that learns usage patterns
- 7.6 GPM flow rate supports six fixtures at once
- Compact outdoor design measuring 24.6 x 14.1 x 10.8 inches
- Natural gas fuel type for efficient heating
- 15-year limited warranty on the heat exchanger
Who it fits
Good fit for
This unit suits homeowners with outdoor installation space who need high hot water volume. The 7.6 GPM output handles multiple simultaneous uses, such as showers and laundry. The Smart-Circ technology benefits households with consistent hot water schedules. If you want to reduce standby loss without a traditional tank, this tankless model fits your needs. The compact size allows placement in areas where larger units would not fit. Professional installation is recommended to ensure proper setup.
Who should skip it
You should look at another option if you need indoor installation. This model is rated for outdoor use only. It also requires natural gas; it does not work with propane. If you need WiFi control, note that the Controlr module is not included. You must purchase it separately. Additionally, if you live in a region with very cold groundwater, check the Rinnai Ground Water Temperature Map. This heater may not be optimal for all climates.
Verdict: The Rinnai REP199eN is a robust outdoor tankless heater for high-demand households. Its built-in recirculation and high flow rate make it a practical choice for natural gas users.
Key specs explained
Flow Rate: 7.6 GPM
This unit delivers 7.6 gallons of hot water per minute. This capacity supports up to six fixtures running at once. You can shower, wash dishes, and do laundry simultaneously without a significant drop in temperature. If your household has multiple bathrooms, this high flow rate ensures consistent supply. Compare this number with other models to ensure it meets your peak demand needs.
Fuel Type: Natural Gas
This heater runs on natural gas rather than propane or electricity. Natural gas typically offers a lower operating cost and faster recovery rates than electric units. You must have a natural gas line available at the installation site. This fuel type is ideal for homes already connected to the municipal gas grid. Check your current fuel source before selecting this model for your home.
Installation Location: Outdoor
This model is designed specifically for outdoor mounting. It is non-condensing, which allows it to withstand outdoor weather conditions. You do not need to vent it through an interior wall. This frees up indoor space and simplifies the installation process. Ensure you have a sheltered spot to protect the unit from direct exposure to harsh elements while maintaining proper airflow.
Dimensions: 24.6 x 14.1 x 10.8 in
The unit measures 24.6 inches high, 14.1 inches wide, and 10.8 inches deep. This compact footprint allows it to fit in tight outdoor spaces. It is roughly the size of a small suitcase. Verify that your chosen mounting area can accommodate these exact measurements. Proper clearance is required for maintenance access and ventilation. Compare these dimensions with your available wall space to ensure a proper fit.
Design and build details
The Rinnai REP199eN is a compact, non-condensing unit designed specifically for outdoor installation. According to the listing, its dimensions are 24.6 inches in height, 14.1 inches in width, and 10.8 inches in length. This footprint is comparable to a small suitcase, allowing it to fit in tight exterior spaces. The silver finish is built to withstand outdoor conditions, ensuring durability against weather exposure. Its small size does not compromise performance, as it still provides up to 7.6 gallons of hot water per minute.
The unit features a Smart-Circ intelligent recirculation system. This built-in pump learns your water usage patterns and schedules recirculation accordingly. This design choice saves energy and provides convenience by reducing wait times for hot water. The layout is straightforward, with controls managed through a separate Controlr module for WiFi connectivity. Note that the Controlr module is not included with the heater. You will need to purchase it separately to enable remote monitoring and adjustments.
Professional installation is recommended for this natural gas model. The listing advises against DIY installation to ensure safety and proper operation. The durable design supports a wide array of outdoor spaces, making it a practical choice for homes needing reliable hot water without the bulk of a traditional tank. The compact build allows for flexible placement, provided you have access to natural gas and proper ventilation.
Setup and everyday use
Professional installation is recommended for this unit. You should locate a qualified technician to handle the setup. The device is designed for outdoor placement only. Its compact footprint, measuring 24.6 inches in height, 14.1 inches in width, and 10.8 inches in length, allows it to fit into various exterior spaces. The unit runs on natural gas, so you will need a gas line connection. The Smart-Circ feature includes a built-in recirculation pump. This pump learns your water usage patterns. It then schedules recirculation automatically to improve efficiency. You do not need to manually control the pump for basic operation. For remote control, you can add the Controlr module. This module provides WiFi connectivity but is sold separately. Daily use involves turning on any faucet or showerhead. The heater activates to provide hot water up to 7.6 GPM. This flow rate supports six fixtures running at once. You can shower, wash dishes, and do laundry simultaneously. The non-condensing design means you do not need special venting for condensation. The unit is durable and built for outdoor conditions. You should check the Ground Water Temperature Map for your region. This ensures the heater performs optimally in your specific climate. The residential warranty covers the heat exchanger for 15 years. Parts and labor are covered for five years. Registration within 90 days is required to keep the labor warranty valid.
Before you buy this unit
You need the Controlr module for WiFi control, which is not included. This device uses natural gas, so confirm your fuel supply matches. It is built for outdoor installation only. Indoor models exist in the variation list if your space requires it. Check the Ground Water Temperature Map to ensure this heater is optimal for your region. The unit offers up to 7.6 GPM, supporting six fixtures at once. You should compare this against indoor options if your climate demands it. Professional installation is recommended. Locate a qualified technician in your area before purchasing. Do not attempt installation yourself. This compact unit fits in tight outdoor spaces. Verify your hot water demand against its flow rate. Ensure you have the necessary electrical connections for the recirculation pump. This model learns your water use patterns for efficiency. It is one of several variations available. Choose the style that fits your home’s layout and fuel type.
Check before you buy
- Confirm natural gas supply availability.
- Purchase Controlr module for WiFi.
- Verify outdoor installation space.
- Check regional water temperature map.
- Hire qualified technician for setup.
The product at a glance
Rinnai Smart-Circ Outdoor Natural Gas Water Heater
Best for: Multiple bathroom outdoor homes
- Fuel Type
- Natural Gas
- Flow Rate
- 7.9 GPM
- BTU
- 199k BTU
- Installation Location
- Outdoor
- Dimensions
- 24.6 x 14.1 x 10.8 inches
View on Amazon: Rinnai Smart-Circ Outdoor Natural Gas Water Heater Affiliate link
The Rinnai REP199eN is a compact outdoor natural gas tankless water heater. It delivers up to 7.6 GPM, supporting six fixtures simultaneously. Smart-Circ technology includes a built-in recirculation pump that learns your usage patterns to save energy. Its dimensions are 24.6 by 14.1 by 10.8 inches. This unit suits homes needing high flow rates in outdoor settings with reliable gas access.
Pros
- Delivers 7.6 GPM flow rate for multiple simultaneous uses
- Built-in Smart-Circ recirculation pump learns usage patterns
- Compact outdoor design measures 24.6 x 14.1 x 10.8 inches
- 15-year limited warranty on the heat exchanger
Cons
- Requires professional installation
- WiFi control module sold separately
- Outdoor installation only
Good fit if
- You need high flow rates for multiple bathrooms
- You have an outdoor space for installation
- You want energy-efficient recirculation without extra pumps
Skip if
- You need indoor installation
- You want included WiFi connectivity
- You prefer DIY installation
Verdict: Rinnai REP199eN 7.6 GPM Outdoor Gas Heater fits homes with multiple bathrooms needing reliable outdoor hot water. Its smart recirculation and high flow rate make it a strong choice for large households.
Specifications side by side
| Spec | Rinnai Smart-Circ Outdoor Natural Gas Water Heater |
|---|---|
| Fuel Type | Natural Gas |
| Flow Rate | 7.9 GPM |
| BTU | 199k BTU |
| Installation Location | Outdoor |
| Dimensions | 24.6 x 14.1 x 10.8 inches |
| Size | 7.9 GPM |
| Color | Silver |
| Model | REU-VEP2737WD-US-N |
Frequently asked questions
Can the Rinnai REP199eN be installed indoors?
No, this unit is designed for outdoor installation only. The manufacturer specifies that it must be placed outside to ensure proper ventilation and safety. If you need an indoor unit, you should look for a different model in the Rinnai variation list that is rated for indoor use.
Does this heater include WiFi control out of the box?
No, the WiFi control module is not included with the heater. You must purchase the Controlr module separately to enable smart features and remote monitoring. This allows you to manage settings from your phone, but it is an additional component you need to acquire for connectivity.
What fuel type does the Rinnai REP199eN use?
It uses natural gas as its fuel source. You must confirm that your home has a natural gas supply before purchasing. This unit is not compatible with propane unless you have specific conversion kits, so verifying your existing fuel infrastructure is a critical step before installation.
How many bathrooms can this unit support?
It is best suited for homes with multiple bathrooms. The 7.6 GPM flow rate supports up to six fixtures running simultaneously. This capacity makes it a strong choice for large households where multiple people may need hot water at the same time without significant temperature drops.
What are the physical dimensions of this water heater?
The unit measures 24.6 inches in height, 14.1 inches in width, and 10.8 inches in length. This compact footprint is comparable to a small suitcase. These dimensions help you determine if the unit fits in your designated outdoor space before you proceed with the purchase.
Is professional installation required for this model?
Yes, professional installation is recommended for this unit. You should locate a qualified technician to handle the setup to ensure safety and compliance. The device involves natural gas connections and outdoor placement, so expert handling is necessary to avoid leaks or operational issues.
What is the model number for this specific unit?
The model number listed for this outdoor natural gas water heater is REU-VEP2737WD-US-N. You can use this identifier to verify compatibility with your existing gas lines and electrical requirements. It helps ensure you are ordering the correct version for your specific household needs.