U.S. Boiler Company Boiler Manuals
Select your U.S. Boiler Company model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
U.S. Boiler Company boilers by model number
| Model | Description | Certified |
|---|---|---|
| ALP105BAlpine | 95% AFUE condensing gas boiler | October 2025 |
| ALP150BAlpine | 95% AFUE condensing gas boiler | October 2025 |
| ALP210BAlpine | 95% AFUE condensing gas boiler | October 2025 |
| ALP285BAlpine | 95% AFUE condensing gas boiler | October 2025 |
| ALTA-080ALTA | 95% AFUE condensing gas boiler | October 2025 |
| ALTA-120BALTA | 95% AFUE condensing gas boiler | October 2025 |
| ALTA-150ALTA | 95% AFUE condensing gas boiler | October 2025 |
| ALTA-180ALTA | 95% AFUE condensing gas boiler | October 2025 |
| ALTAC-136BALTA | 95% AFUE condensing gas boiler | October 2025 |
| ALTAC-200ALTA | 95% AFUE condensing gas boiler | October 2025 |
| ASPN-085ASPEN | 96% AFUE condensing gas boiler | October 2025 |
| ASPN-110ASPEN | 96% AFUE condensing gas boiler | October 2025 |
| ASPN-155ASPEN | 95% AFUE condensing gas boiler | October 2025 |
| ASPN-205ASPEN | 95% AFUE condensing gas boiler | October 2025 |
| ASPN-270ASPEN | 95% AFUE condensing gas boiler | October 2025 |
| EMP115EEMP | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| EMP140EEMP | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| EMP182EEMP | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| EMP224EEMP | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| EMP84EEMP | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| MPO-IQ115BEMP | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| MPO-IQ147BEMP | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| MPO-IQ189BEMP | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| MPO-IQ231BEMP | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| MPO-IQ84BEMP | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| V8H3WESV8HWES | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| V8H4WESV8HWES | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| V8H5WESV8HWES | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| V8H6WESV8HWES | 87% AFUE non-condensing oil-fired boiler | October 2025 |
| V8H7WESV8HWES | 87% AFUE non-condensing oil-fired boiler | October 2025 |