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Rinnai RV53iN (Item No. 607890)
Interior, 5.3 GPM, Natural Gas, 84% Efficiency Tankless Water Heater

Product has been discontinued.
Please call us for a suitable alternate product.

Mon - Fri 8:30am - 5:00pm Central

This Rinnai RV53iN Interior, 5.3 GPM, Natural Gas, 84% Efficiency Tankless Water Heater has some damage incurred during shipping. For detailed photos please click 'See Additional Images' above. This Rinnai RV53iN Interior, 5.3 GPM, Natural Gas, 84% Efficiency Tankless Water Heater meets the full manufacturer's specifications, comes with the full manufacturer's warranty, and includes Alpine's premium guarantee.

For product specs and photographs of product in its original condition, click here.

Rinnai's V53i interior-mount tankless water heater efficiently delivers up to 5.3 gallons per minute (GPM) of hot water, making it perfect for your one- or two-bathroom home. This easy-to-install, ultra-compact unit lets you enjoy all the benefits of Rinnai tankless water heating. You'll experience clean, reliable hot water at a consistent pre-set temperature, while saving energy and precious floor space in your home.

Standard Features

  • Available in interior (RV53i) or exterior (RV53e) models
  • RV53i Models are now certified for installation in manufactured (mobile) homes
  • Pre-set at 120ºF (adjustable to 140ºF)
  • Significant space savings over tank-style water heaters 
  • Included isolation valves to insure professional and serviceable installations 
  • Energy Factor of .82 for both gas types
  • Compatible with full line of Rinnai digital controllers
  • Meets California and Texas NOx emission rules
  • ENERGY STAR® qualified
  • 10-year heat exchanger / 5-year parts 


Maximum Input BTU
150000 BTU 

Minimum Input BTU
15000 BTU 

Hot Water Capacity Range
0.6 - 5.3 GPM 

Thermal Efficiency
84 % 

Power Source
120 VAC (60Hz)  

Fuel Type
Natural Gas  

Ignition Type
Direct Ignition  

Connection Type
NPT (Threaded)  

Energy Factor

Temperature Range
140 - 98 °F 

ENERGY STAR® Qualified

Piping Connections - Water
3/4 Inch(es) 

Exhaust Venting

Product Weight
51 lbs 

Meets CSA Standards

13 22/25 Inches 

8 4/5 Inches 

23 3/5 Inches 

Heat Exchanger Warranty
10 Years  

Parts Warranty
5 Years 
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Suite 200
Chicago, IL 60614
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