Rinnai M120CN
The Rinnai M120CN is a 95% AFUE combi boiler with a 12,000 – 120,000 BTU output and 4.0 GPM of domestic hot water, part of the Rinnai M-Series line. GasBoilers.ca installs, repairs, and maintains the M120CN across Greater Vancouver — Red Seal–certified, TSBC-licensed, same-day repair available. Call 604-359-1081.
Rinnai M120CN overview
The Rinnai M-Series combines space heating and domestic hot water in one wall-mounted unit. Compact, efficient, and Rinnai-reliable.
95% AFUE
Efficiency
12,000 – 120,000
BTU Output
4.0 GPM
DHW Flow
M120CN specifications
| Model | Rinnai M120CN |
| Series | M-Series |
| Type | combi |
| BTU Output | 12,000 – 120,000 |
| DHW Flow | 4.0 GPM |
| Efficiency | 95% AFUE |
| Warranty | Up to 12 years |
| Origin | Japan |
| Best for | Medium/large homes |
M-Series features
Rinnai M120CN services we provide
All work by licensed BC gas-fitters — TSBC-certified.
M120CN Installation
Permit, sizing, venting, gas, commissioning.
From $5,800
M120CN Repair
Error code diagnosis, parts, full repair.
From $189
M120CN Maintenance
Annual tune-up — required for warranty.
From $169
M120CN Replacement
Upgrade an older unit. Rebate-eligible.
From $5,800
Emergency Service
Same-day no-heat, leak, CO, gas-smell response.
Call 604-359-1081
Warranty Service
Authorized warranty repairs for Rinnai.
Warranty-covered
Rinnai M120CN — frequently asked questions
How much does Rinnai M120CN installation cost in Vancouver?
Rinnai M120CN installation starts from $5,800 in Greater Vancouver, including permit, code-compliant venting and gas piping, removal of the old unit, and full commissioning. Final pricing depends on your existing system and a heat-loss calculation. Call 604-359-1081 for a free quote.
What size is the Rinnai M120CN?
The Rinnai M120CN has a heating output of 12,000 – 120,000 BTU and delivers 4.0 GPM of domestic hot water, with 95% AFUE efficiency. It is best suited to medium/large homes.
Do you repair the Rinnai M120CN?
Yes. We diagnose and repair the Rinnai M120CN — error codes, ignition faults, no-heat, leaks, low pressure, and sensor issues — from $189. Our technicians are factory-trained on Rinnai M-Series units and carry common parts on the truck.
How often should the Rinnai M120CN be serviced?
Rinnai recommends annual maintenance to keep the M120CN efficient, safe, and within warranty (up to up to 12 years). Our maintenance service starts from $169.
Rinnai M120CN service across Greater Vancouver
We service the M120CN in every major Greater Vancouver city.
Book Rinnai M120CN service today
Same-day repair available · Free installation quotes · Licensed gas-fitters