Ariston Water Heater Manuals
Select your Ariston model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
Ariston water heaters by model number
| Model | Description | Certified |
|---|---|---|
| ARIHPWH-40 | 37-gallon heat pump water heater | February 2026 |
| ARIHPWH-40-T | 37-gallon heat pump water heater | February 2026 |
| ARIHPWH-50 | 45-gallon heat pump water heater | February 2026 |
| ARIHPWH-50-T | 45-gallon heat pump water heater | December 2025 |
| ARIHPWH-65 | 62-gallon heat pump water heater | February 2026 |
| ARIHPWH-65-T | 61-gallon heat pump water heater | December 2025 |
| ARIHPWH-80 | 73-gallon heat pump water heater | February 2026 |
| ARIHPWH-80-T | 74-gallon heat pump water heater | December 2025 |