Rinnai RE Series with Smart-Circ 7.9 GPM Indoor NCTWH with Recirculation and Pump, LP

Rinnai RE Series with Smart-Circ 7.9 GPM Indoor NCTWH with Recirculation and Pump, LP

The Rinnai RE Series with Smart-Circ 7.9 GPM Indoor NCTWH (Natural Gas Tankless Water Heater) is a high-efficiency water heating system that provides an endless hot water supply on demand. It features a compact design that can be installed in various locations, including inside a home or business.

One of the critical features of this water heater is the Smart-Circ technology, which helps to improve the overall efficiency of the system by recirculating hot water through the pipes to reduce standby losses. This helps save energy and reduces the wait time for hot water at the tap.

In addition to the Smart-Circ technology, this water heater also comes with a recirculation pump and a built-in temperature control system to ensure the water is always at the desired temperature. It has a maximum flow rate of 7.9 gallons per minute, making it capable of supplying hot water to multiple faucets or appliances at the same time.

The Rinnai RE Series with Smart-Circ 7.9 GPM Indoor NCTWH is fueled by liquid propane and has a maximum input of 199,000 BTUs per hour. It is suitable for use in homes or businesses with high hot water demand and is compatible with standard residential plumbing systems.

Features

• Smart-Circ Intelligent Recirculation

• Clean Internal Layout

• LED Screen

• New Sliding Wall Bracket

• Safety Handle and Seating Bracket

• Built-In Recirculation Control

• Recirculation-Ready Models include Built-In Pump

• Wall Mounting Bracket

• Easy Open / Close Access

• Programmable Service Reminders

• Compact Copper Heat Exchanger

• Valve Kit

• Optional Leak Detection Kit

• Optional Freeze Protection

• 199,000 BTUs

• Hot Water Capacity Range:  0.26 GPM to 7.9 GPM

• 0.81 Uniform Energy Factor

• Dimensions:  14.05" x 22.87" x 10.77"
  

Specification

What Our Experts Think

• Smart-Circ Recirculation: Built-in pump delivers hot water faster and reduces water waste.

• 7.9 GPM Flow Rate: Supports medium to large homes with multiple fixtures in use.

• Propane-Powered Efficiency: Provides reliable, cost-effective performance.

• Indoor Tankless Design: Heats water on demand and saves valuable indoor space.

Q&A

Q: What is Smart-Circ technology?
A: It learns usage patterns and activates recirculation to deliver hot water faster when needed.

Q: How much hot water can it provide?
A: Up to 7.9 gallons per minute — ideal for several showers or appliances running simultaneously.

Q: Does it require venting?
A: Yes, as an indoor model, proper venting is required according to manufacturer guidelines.

Maintenance Tips

• Flush annually to prevent mineral buildup and maintain pump performance.

• Inspect propane and water connections regularly for leaks.

• Clean vent components periodically to ensure proper airflow.

• Follow manufacturer-recommended service intervals for long-term reliability.