M120SN M-Series Model Series

Condensing Boiler View Energy Guide
4.8/5 stars from 5 reviews

Rinnai M120SN residential condensing natural gas boiler is compact, wall mounted, and designed for easy installation as a retro-fit to traditional less efficient boilers and can deliver whole house heating.

  • Warranty 12 yrs on Heat Exchanger/ 2 years on Parts/ 1 Year on Labor
  • NG:23,500 BTU / (6.7 kW) LP: 73,500 BTU / (21.5 kW) (minimum)
    N/A (maximum)


iWarranty information is available in the Installation & Owner Manual.

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