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Rinnai® High Efficiency Gas Boilers

Heat an entire home–even get domestic hot water–with the economical, reliable and compact choice from Rinnai. Rinnai, the premier name in tankless water heating, brings you two new series of wall-mounted, condensing gas boilers that can be easily retrofitted to replace traditional, less efficient boilers or provide simple, space-saving installation in new builds.
  • Up to 96.5% AFUE efficiency
  • Stainless steel primary boiler heat exchanger
  • Copper nickel integrated secondary plate exchanger
  • Compact wall-mounted design saves space over traditional boilers
  • Green advantages, including lower greenhouse gas emissions
  • Super quiet operation
  • Natural Gas or Propane
  • Direct electronic ignition - no pilot light
  • On-Board diagnostics and safety monitoring
  • Interior sealed combustion unit - does not use interior combustion air
  • View some of our installations
E-Series
  • Two compact combi models for heating and domestic hot water
  • Stainless steel boiler heat exchanger for heating
  • Copper nickel integrated plate heat exchanger for domestic hot water
  • Integrated single-speed pump and expansion tank
Q-Series
  • Fully modulating pump
  • Stainless steel heat exchanger
  • Combi unit includes 6.6 gallon fully insulated indirect tank
  • Optional 3-way diverter valve (indirect DHW tank kit) available for S System models

Q Series

Rinnai RV53e
Rinnai Q Series Q205S
Rinnai Boiler Q175C
Rinnai Q Series Q175C
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QUALIFIED
Ideal in homes where there is a larger demand for domestic hot water

E Series

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Rinnai E Series E75C
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QUALIFIED
Perfect for homes with smaller domestic hot water needs

The Heart of our High Efficiency is the Heat Exchanger

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Rinnai Q Series Heat Exchanger
1 - Fuel - Air Mix

2 - Combustion of the Fuel - Air Mix

3 - Hot Water

4 - Flue Gases

5 - Fuel - Air Regulation

6 - Down-shot Ceramic Burner

7 - Smooth Stainless Steel Pipes

8 - Condensate Outlet
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