Rinnai Commercial Water Heater Manuals
Select your Rinnai model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
Rinnai commercial water heaters by model number
| Model | Description | Certified |
|---|---|---|
| CHS160100HCXICHS160100HCXIN | 119-gallon commercial gas storage water heater | July 2024 |
| CHS16080HCXICHS16080HCXIN | 80-gallon commercial gas storage water heater | June 2024 |
| CHS199100HCXICHS199100HCXIN | 119-gallon commercial gas storage water heater | June 2024 |
| CHS19980HCXICHS19980HCXIN | 80-gallon commercial gas storage water heater | June 2024 |
| CHS320100HCXVICHS320100HCXVIN | 119-gallon commercial gas storage water heater | July 2024 |
| CHS398100HCXAIN | 119-gallon commercial gas storage water heater | August 2024 |
| CHS398100HCXICHS398100HCXIN | 119-gallon commercial gas storage water heater | June 2024 |
| CHS398100HCXVAIN | 119-gallon commercial gas storage water heater | July 2024 |
| CHS398100HCXVICHS398100HCXVIN | 119-gallon commercial gas storage water heater | June 2024 |
| RCW1000ANRinnai Commercial Volume Water Heater | 999,000 Btu/h commercial gas tankless water heater | July 2025 |
| RCW399ANRinnai Commercial Volume Water Heater | 399,000 Btu/h commercial gas tankless water heater | July 2025 |
| RCW500ANRinnai Commercial Volume Water Heater | 500,000 Btu/h commercial gas tankless water heater | July 2025 |
| RCW750ANRinnai Commercial Volume Water Heater | 750,000 Btu/h commercial gas tankless water heater | July 2025 |