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Rinnai Water Heater Non-Condensing 180,000 BTU NG

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Rinnai Water Heater Non-Condensing 180,000 BTU NG

RE180IN

Estimated Use: approximately 3–4 bathrooms / 2–3 simultaneous showers

Status: In Stock

was US$1,732.00

now US$1,325.50

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Description

Rinnai RE180IN High-Efficiency Tankless Water Heater – Endless Hot Water, Maximum Efficiency

Upgrade your home or business with the Rinnai RE180IN High-Efficiency Tankless Water Heater, a powerful and reliable solution designed to deliver endless hot water while reducing energy costs. Engineered with advanced technology and proven performance, the RE180IN provides consistent, on-demand hot water for residential and small commercial applications, all in a compact, space-saving design.

Why Choose the Rinnai RE180IN?

High-Efficiency Heating Performance

The RE180IN offers exceptional energy efficiency, minimizing wasted energy and drastically reducing standby heat loss. Its tankless technology ensures hot water is produced only when needed, helping lower utility bills while maintaining top-tier performance.

Endless, On-Demand Hot Water

With the Rinnai RE180IN, you’ll never run out of hot water. This system is built for continuous hot water delivery, making it ideal for homes with multiple bathrooms or businesses that need reliable hot water throughout the day.

Compact, Space-Saving Design

Thanks to its slim and efficient build, the RE180IN fits easily into tight installation spaces. It’s perfect for apartments, townhomes, small homes, and commercial buildings where maximizing usable space is a priority.

Smart Technology Integration

Enjoy precise control and convenience with Rinnai’s smart monitoring features. The RE180IN allows users to adjust temperature settings, track usage, and receive important maintenance alerts right from a connected device.

Ideal for Residential and Commercial Applications

Residential Use

The Rinnai RE180IN is an excellent choice for small to mid-sized homes, providing dependable and endless hot water for showers, laundry, dishwashing, and more. Households with multiple occupants will appreciate its ability to meet simultaneous hot water demands without interruption.

Commercial Use

Small businesses—including cafés, boutique hotels, restaurants, and office spaces—benefit from the RE180IN’s consistent performance and cost-saving efficiency. Its reliability ensures steady hot water for guest amenities, kitchen operations, and facility needs while helping reduce long-term operating expenses.

Upgrade to the Rinnai RE180IN Today

Experience the future of water heating with the Rinnai RE180IN High-Efficiency Tankless Water Heater. Enjoy endless hot water, lower energy costs, and a modern, space-efficient design that fits both residential and commercial environments. Choose a system built for performance, reliability, and long-term value.

Features

Rinnai RE180IN Features

High-efficiency non-condensing design for natural gas indoor installation.
Delivers continuous, endless on-demand hot water with no standby heat loss.
Uniform Energy Factor (UEF) rating of 0.82 for reduced energy consumption.
180,000 BTU maximum gas input with modulation down to approximately 10,400 BTU.
Provides up to 8.5 GPM at ideal temperature-rise conditions.
Wide temperature control range from 98°F to 140°F.
Compact indoor design:
Width: 14.05", Height: 27.28", Depth: 10.77", Weight: ~42.1 lbs.
¾″ gas connection and ¾″ water in/out connections for standard installation.
Optional WiFi module enables smart monitoring and remote temperature control.
Ultra-Low NOx emissions compliant for cleaner operation.
Direct-vent concentric venting system for safe, efficient indoor installation.
Manufactured and assembled in the USA for the RE Series line.

Specifications

Rinnai RE180IN Specifications

Model Number	RE180IN
Application	Indoor – Natural Gas
Fuel Type	Natural Gas
Max Input	180,000 BTU/h
Min Input	~10,400 BTU/h
Maximum Flow Rate	Up to ~8.5 GPM (35°F rise)
Temperature Range	98°F – 140°F
Uniform Energy Factor	0.82 UEF
Dimensions	14.05" W × 27.28" H × 10.77" D
Weight	~42.1 lbs
Gas Connection	¾″
Water Connections	¾″ (inlet/outlet)
Power Supply	120V AC
Venting Type	Concentric Direct Vent (indoor)
Warranty	15 yrs heat exchanger, 5 yrs parts, 1 yr labor

Literature

Rinnai Tankless Water Heating Solutions RE Series

Rinnai Tankless Water Heating Flyer RE Series

Rinnai Tankless Water Heating Specification Sheet RE Series

Rinnai United States Ground Water Temperature Map

Support

Diagrams, Troubleshooting, and Support - Learn More

Q. What is the Rinnai RE180iN Non-Condensing Tankless Water Heater used for?

A. The Rinnai RE180iN is a natural gas, non-condensing indoor tankless water heater that delivers up to 180,000 BTU of on-demand hot water for residential applications. It provides a continuous supply of hot water without the need for a traditional storage tank.

Q. Who should choose the Rinnai RE180iN tankless water heater?

A. The RE180iN is ideal for homeowners replacing conventional tank water heaters, new home construction, remodeling projects, cabins, and properties seeking energy-efficient, continuous hot water using natural gas.

Q. What are the benefits of a non-condensing tankless water heater like the RE180iN?

A. A non-condensing tankless water heater provides endless hot water, saves valuable floor space, reduces standby energy losses compared to storage tanks, and delivers efficient performance for many residential hot water applications when properly sized.

Q. Is the Rinnai RE180iN designed for indoor installation?

A. Yes. The Rinnai RE180iN is an indoor model and must be installed indoors using approved venting materials and installation methods that comply with Rinnai's installation instructions and local building codes.

Q. Does the Rinnai RE180iN operate on natural gas?

A. Yes. The RE180iN is factory configured for natural gas (NG). Always confirm the fuel type before installation and follow the manufacturer's installation and gas supply requirements.

Q. What products are commonly installed with the Rinnai RE180iN?

A. The RE180iN is commonly installed with Rinnai-approved venting components, isolation valve kits, service valves, pressure relief valves, expansion tanks where required, water treatment accessories, gas supply components, and recirculation accessories when applicable.

Q. Is the Rinnai RE180iN energy efficient?

A. Yes. The RE180iN heats water only when hot water is needed, helping reduce standby energy losses associated with traditional storage tank water heaters while providing consistent hot water on demand.

Q. Is the Rinnai RE180iN a good choice for cabins and rural homes?

A. Yes. The RE180iN is an excellent option for cabins, rural homes, primary residences, and seasonal properties with a reliable natural gas supply. Its compact design and continuous hot water performance make it well suited for a wide variety of residential installations.

Q. Does the Rinnai RE180iN require professional installation?

A. Yes. Professional installation is strongly recommended to ensure proper gas piping, venting, water connections, commissioning, and compliance with local codes and Rinnai warranty requirements.

Q. Why buy the Rinnai RE180iN Tankless Water Heater from Rural Energy?

A. Rural Energy offers the Rinnai RE180iN along with genuine Rinnai accessories, venting components, replacement parts, and knowledgeable customer support. Customers can rely on Rural Energy for trusted hot water solutions and expert service while helping people Live Life Warm.