Radiant Boiler Manuals
Select your Radiant model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
Radiant boilers by model number
| Model | Description | Certified |
|---|---|---|
| R1K 34/B | 96% AFUE condensing gas boiler | September 2022 |
| R1K 55 | 96% AFUE condensing gas boiler | September 2022 |
| R2K 24 | 96% AFUE condensing gas boiler | September 2022 |
| R2K 34 | 96% AFUE condensing gas boiler | September 2022 |
| R2K 55 | 96% AFUE condensing gas boiler | September 2022 |
| R2KA 24/20 | 96% AFUE condensing gas boiler | September 2022 |
| R2KA 34/20 | 96% AFUE condensing gas boiler | September 2022 |