Ruud Water Heater Manuals
Select your Ruud model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
Ruud water heaters by model number
| Model | Description | Certified |
|---|---|---|
| CPROPH40 T2 CD375-30 | 36-gallon heat pump water heater | December 2025 |
| CPROPH40 T2 CD375-SO | 36-gallon heat pump water heater | December 2025 |
| CPROPH50 T2 CD375-30 | 45-gallon heat pump water heater | August 2026 |
| CPROPH50 T2 CD375-SO | 45-gallon heat pump water heater | August 2026 |
| CPROPH65 T2 CD375-30 | 59-gallon heat pump water heater | December 2025 |
| CPROPH65 T2 CD375-SO | 59-gallon heat pump water heater | December 2025 |
| CPROPH80 T2 CD375-30 | 72-gallon heat pump water heater | September 2026 |
| CPROPH80 T2 CD375-SO | 72-gallon heat pump water heater | September 2026 |
| CRUTGH-S11I | 199,000 Btu/h gas tankless water heater | April 2024 |
| CRUTGH-SR11I | 199,000 Btu/h gas tankless water heater | April 2024 |
| PRO H40 T2 RU310BM | 36-gallon heat pump water heater | November 2024 |
| PRO H40 T2 RU310UM | 36-gallon heat pump water heater | November 2024 |
| PRO H50 T2 RU310BM | 45-gallon heat pump water heater | November 2024 |
| PRO H50 T2 RU310UM | 45-gallon heat pump water heater | November 2024 |
| PRO H65 T2 RU310BM | 59-gallon heat pump water heater | November 2024 |
| PRO H65 T2 RU310UM | 59-gallon heat pump water heater | November 2024 |
| PRO H80 T2 RU310BM | 72-gallon heat pump water heater | November 2024 |
| PRO H80 T2 RU310UM | 72-gallon heat pump water heater | November 2024 |
| PRO+G40-50P RU HE EC1 | 40-gallon propane storage water heater | November 2024 |
| PRO+G40-50U RU HE EC1 | 40-gallon natural gas storage water heater | November 2024 |
| PRO+G50-50P RU HE EC1 | 50-gallon propane storage water heater | November 2024 |
| PRO+G50-50U RU HE EC1 | 50-gallon natural gas storage water heater | November 2024 |
| PROU G40-50* RU HE EC3 | 40-gallon gas storage water heater | November 2024 |
| PROU G50-100* RU HE EC3 | 50-gallon residential-duty commercial gas water heater | November 2024 |
| PROU G50-50* RU HE EC3 | 50-gallon gas storage water heater | November 2024 |
| PROU G50-76P CD HE | 50-gallon residential-duty commercial propane water heater | November 2024 |
| PROU G50-76U CD HE | 50-gallon residential-duty commercial natural gas water heater | November 2024 |
| PROU G50-76* RU HE EC3 | 50-gallon residential-duty commercial gas water heater | November 2024 |
| PROUG75-100P RU HE EC3 | 75-gallon residential-duty commercial propane water heater | May 2025 |
| PROUG75-100U RU HE EC3 | 75-gallon residential-duty commercial natural gas water heater | May 2025 |
| PROUH40 T0 RU120-M | 36-gallon 120-volt heat pump water heater | November 2024 |
| PROUH40 T0 RU120-MSO | 36-gallon 120-volt heat pump water heater | November 2024 |
| PROUH40 T2 CD400-15 | 36-gallon heat pump water heater | March 2026 |
| PROUH40 T2 CD400-30 | 36-gallon heat pump water heater | March 2026 |
| PROUH40 T2 CD400-SO | 36-gallon heat pump water heater | March 2026 |
| PROUH40 T2 RU350BM | 36-gallon heat pump water heater | February 2025 |
| PROUH40 T2 RU350UM | 36-gallon heat pump water heater | February 2025 |
| PROUH50 T0 RU120 | 46-gallon 120-volt heat pump water heater | November 2024 |
| PROUH50 T0 RU120-M | 46-gallon 120-volt heat pump water heater | November 2024 |
| PROUH50 T0 RU120-MSO | 46-gallon 120-volt heat pump water heater | November 2024 |
| PROUH50 T2 CD400-15 | 45-gallon heat pump water heater | March 2026 |
| PROUH50 T2 CD400-30 | 45-gallon heat pump water heater | August 2026 |
| PROUH50 T2 CD400-SO | 45-gallon heat pump water heater | August 2026 |
| PROUH50 T2 RU350BM | 45-gallon heat pump water heater | February 2025 |
| PROUH50 T2 RU350UM | 45-gallon heat pump water heater | February 2025 |
| PROUH50 T2 RU400-30 | 45-gallon heat pump water heater | August 2026 |
| PROUH50 T2 RU400-SO | 45-gallon heat pump water heater | August 2026 |
| PROUH50 T2 RU400-Z30 | 45-gallon heat pump water heater | August 2026 |