





🔥 Heat smarter, live better — the future of home warmth is here!
The Rinnai i090SN Condensing Gas Boiler delivers 90K BTU of high-efficiency heating with a stainless-steel heat exchanger and modulating wire mesh burner. Designed for whole-home comfort, it features smart multizone control, a child-lock safety system, and a user-friendly digital interface with outdoor reset sensor. Its compact wall-mounted design offers flexible installation options, backed by a robust warranty for lasting reliability.








| Brand | Rinnai |
| Color | i090SN - Natural Gas |
| Voltage | 120 Volts |
| Heat Output | 90 Kilowatts |
| Efficiency | High |
| Style | Industry,Outdoor |
| Mounting Type | Wall |
| Is Electric | No |
| Manufacturer | Rinnai |
| UPC | 766156012471 |
| Global Trade Identification Number | 00766156012471 |
| Part Number | i090SN |
| Item Weight | 10.9 pounds |
| Product Dimensions | 10.9 x 18.5 x 26.4 inches |
| Item model number | i090SN |
| Item Package Quantity | 1 |
| Included Components | Condensing Gas Boiler |
| Batteries Required? | No |
| Warranty Description | HEX 12 yr / Parts 2 yr / Labor 1 yr |
S**S
Awesome unit!
I installed it myself replacing a 20+ year old 80% efficient boiler.
Trustpilot
2 weeks ago
1 month ago