Rheem Water Heater Manuals — page 3
Select your Rheem model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
Rheem water heaters by model number
| Model | Description | Certified |
|---|---|---|
| PROPH50 T0 RH120 | 46-gallon 120-volt heat pump water heater | November 2024 |
| PROPH50 T0 RH120-M | 46-gallon 120-volt heat pump water heater | November 2024 |
| PROPH50 T0 RH120-MSO | 46-gallon 120-volt heat pump water heater | November 2024 |
| PROPH50 T2 RH400-30 | 45-gallon heat pump water heater | August 2026 |
| PROPH50 T2 RH400-SO | 45-gallon heat pump water heater | August 2026 |
| PROPH50 T2 RH400-Z30 | 45-gallon heat pump water heater | August 2026 |
| PROPH65 T0 RH120-M | 59-gallon 120-volt heat pump water heater | June 2026 |
| PROPH65 T0 RH120-MSO | 59-gallon 120-volt heat pump water heater | June 2026 |
| PROPH80 T0 RH120-M | 72-gallon 120-volt heat pump water heater | November 2024 |
| PROPH80 T0 RH120-MSO | 72-gallon 120-volt heat pump water heater | November 2024 |
| PROPH80 T2 RH400-30 | 72-gallon heat pump water heater | August 2026 |
| PROPH80 T2 RH400-SO | 72-gallon heat pump water heater | August 2026 |
| PROPH80 T2 RH400-Z30 | 72-gallon heat pump water heater | August 2026 |
| PROUH40 T2 RH350BM | 36-gallon heat pump water heater | February 2025 |
| PROUH40 T2 RH350UM | 36-gallon heat pump water heater | February 2025 |
| PROUH50 T2 RH350BM | 45-gallon heat pump water heater | February 2025 |
| PROUH50 T2 RH350UM | 45-gallon heat pump water heater | February 2025 |
| PROUH65 T2 RH350BM | 59-gallon heat pump water heater | February 2025 |
| PROUH65 T2 RH350UM | 59-gallon heat pump water heater | February 2025 |
| PROUH80 T2 RH350BM | 72-gallon heat pump water heater | February 2025 |
| PROUH80 T2 RH350UM | 72-gallon heat pump water heater | February 2025 |
| RECTGH-S10IN | 180,000 Btu/h natural gas tankless water heater | April 2024 |
| RECTGH-S10IP | 180,000 Btu/h propane tankless water heater | April 2024 |
| RECTGH-S11IN | 199,000 Btu/h natural gas tankless water heater | April 2024 |
| RECTGH-S11IP | 199,000 Btu/h propane tankless water heater | April 2024 |
| RECTGH-S84IN | 157,000 Btu/h natural gas tankless water heater | April 2024 |
| RECTGH-S84IP | 157,000 Btu/h propane tankless water heater | April 2024 |
| RECTGH-SR10IN | 180,000 Btu/h natural gas tankless water heater | April 2024 |
| RECTGH-SR10IP | 180,000 Btu/h propane tankless water heater | April 2024 |
| RECTGH-SR11IN | 199,000 Btu/h natural gas tankless water heater | April 2024 |
| RECTGH-SR11IP | 199,000 Btu/h propane tankless water heater | April 2024 |
| RECTGH-SR84IN | 157,000 Btu/h natural gas tankless water heater | April 2024 |
| RECTGH-SR84IP | 157,000 Btu/h propane tankless water heater | April 2024 |
| RS120-64BP-TGSOLPAK | solar water heater with gas backup | November 2020 |
| RS80-40BPSOLPAK | solar water heater with electric backup | November 2020 |
| RS80-40BP-TGSOLPAK | solar water heater with gas backup | November 2020 |
| RS80-48BPSOLPAK | solar water heater with electric backup | November 2020 |
| RS80-48BP-TGSOLPAK | solar water heater with gas backup | November 2020 |
| RTGH-CS11I | 199,000 Btu/h gas tankless water heater | March 2025 |
| RTGH-CSR11I | 199,000 Btu/h gas tankless water heater | March 2025 |
| RTGH-S10I | 180,000 Btu/h gas tankless water heater | April 2024 |
| RTGH-S11I | 199,000 Btu/h gas tankless water heater | April 2024 |
| RTGH-S84I | 157,000 Btu/h gas tankless water heater | July 2024 |
| RTGH-SR10I | 180,000 Btu/h gas tankless water heater | April 2024 |
| RTGH-SR11I | 199,000 Btu/h gas tankless water heater | April 2024 |
| RTGH-SR84I | 157,000 Btu/h gas tankless water heater | July 2024 |
| XE40T10HM00U0 | 36-gallon 120-volt heat pump water heater | November 2024 |
| XE40T10HMS00U0 | 36-gallon 120-volt heat pump water heater | November 2024 |