Rinnai Water Heater Non-Condensing 180,000 BTU NG

RE180IN

Status: In Stock

US$1,732.00

Description

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

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

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

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