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Compare documented specifications below. “Not specified” means the catalog has no value; it does not mean a feature or requirement is absent. Confirm system compatibility before choosing a replacement. On smaller screens, scroll the table horizontally.
| Specification | PRO1 T721 Non-Programmable Heat Pump Thermostat |
|---|---|
| Brand | PRO1 |
| Model | T721 |
| SKU | 105416 |
| Component role | Standalone |
| Lifecycle | Current |
| Building systems | Not specified |
| Requires | Not specified |
| Backlit display | Blue backlight |
| Contact ratings | 1 A per terminal; 1.5 A maximum combined |
| Dual transformer support | No, per installation application guide |
| Heating and cooling stages | 1 heat / 1 cool conventional; 2 heat / 1 cool heat pump |
| Measurement channels | Temperature display range: 41 to 95 °F (5 to 35 °C) |
| Millivolt support | Yes, conventional systems, per installation application guide |
| Operating humidity | 90% RH maximum, non-condensing |
| Operating temperature | 32 to 105 °F (0 to 41 °C) |
| Power sources | 2 AA alkaline batteries or 18–30 VAC, NEC Class II, 50/60 Hz |
| Scheduling | Non-programmable |
| Setpoint limits | Adjustable heating maximum and cooling minimum; see installer settings |
| Setpoint range | 44 to 90 °F (7 to 32 °C) |