Rinnai I Series Natural Gas or Liquid Propane Boiler/Water Heater with 120,000 BTU Input




The I- Series i120CN model features Rinnais exclusive self-cleaning stainless-steel heat exchanger coupled with a secondary flat plate heat exchanger. Our combi models can deliver whole house heating and simultaneous domestic hot water. The i120CN provides an input rating of 120K 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.


1Spec SheetEN22022-07-05
2Tech BulletinEN32022-07-05
3Tech BulletinEN12022-07-05
4Tech BulletinEN12022-07-05
5Tech BulletinEN12022-07-05
6Tech BulletinEN22022-07-05
7Tech BulletinEN12022-07-05
9Conversion ManualEN,FR242022-03-23
10Dimensions GuideN/A22020-09-15
11Energy GuideN/A12022-07-05
12Full Product ManualEN322020-03-30
13I Series BrochureEN22022-11-23
14I Series Combi Installation ManualEN1362022-11-23
15I Series Combi Spec SheetN/A22022-11-23
16Installation GuideEN1362019-09-19
17Installation GuideFR322020-09-15
18Installation ManualEN1362022-07-05
19Installation ManualFR1362022-07-05
20Product BrochureEN82019-09-19
21Product OverviewEN22022-03-23
22Product UpdatesEN42022-07-05
23Sell SheetEN22022-07-05
24Spec SheetN/A22022-07-05
25Spec SheetEN22022-07-05
27System Application DrawingsEN302022-07-05
28Tech BulletinEN52022-07-05
29Use and Care GuideEN22020-09-15
30Use and Care ManualEN282023-08-22
31User ManualEN322022-07-05
32User ManualFR322022-07-05
34Warranty GuideEN32020-09-15