HTP Boiler Manuals
Select your HTP model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
HTP boilers by model number
| Model | Description | Certified |
|---|---|---|
| EFTU-110WBNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| EFTU-110WCNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| EFTU-150WBNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| EFTU-150WCNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| EFTU-199WBNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| EFTU-199WCNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| EFTU-85WBNELITE ULTRA | 96% AFUE condensing gas boiler | November 2021 |
| EFW-285WBNELITE FIRETUBE | 95% AFUE condensing gas boiler | January 2024 |
| ELU-120WBNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| ELU-120WCNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| ELU-150WBNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| ELU-150WCNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| ELU-199WBNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| ELU-199WCNELITE ULTRA | 95% AFUE condensing gas boiler | November 2021 |
| ELU-85WBNELITE ULTRA | 96% AFUE condensing gas boiler | November 2021 |