i150SN I-Series Model Series

The I- Series i150SN model features Rinnai’s exclusive self-cleaning stainless-steel heat exchanger coupled with a secondary flat plate heat exchanger. This heat-only model can deliver whole house heating to enhance your comfort. The i150SN provides an input rating of 150K Btu. Fueled with either Natural Gas or Propane this Rinnai condensing gas boiler has obtained one of the highest AFUEs (Annual Fuel Utilization Efficiency) in the industry. Plus, the compact wall-mounted design saves space over traditional boilers.

  • Warranty 12 yrs on Heat Exchanger/ 5 years on Parts/ 1 Year on Labour
  • 15,000 BTU / (4.3 kW)


Product Depth 10.9 in / (276 mm)
Product Height 26.4 in / (671 mm)
Product Width 18.5 in / (471 mm)
Product Weight 62.0 lb / (28 kg)
Gas Type NG | LP
Residential ENERGY STAR® Yes
SCAQMD Approved Ultra Low NOx
Central Heating Capacity 150,000 BTU / (43.9 kW)

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