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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 | White-Rodgers 1F78-144 Non-Programmable Thermostat |
|---|---|
| Brand | White-Rodgers |
| Model | 1F78-144 |
| SKU | 908013 |
| Component role | Standalone |
| Lifecycle | Legacy |
| Building systems | Not specified |
| Requires | Not specified |
| Contact ratings | 0.05–1.0 A per terminal; 1.5 A combined maximum; control circuits up to 30 VAC, 50/60 Hz or DC |
| Dual transformer support | Yes, separate heating and cooling transformer diagrams |
| Fan modes | Auto; On |
| Heating and cooling stages | Conventional: 1H/1C; heat pump without auxiliary heat: 1H/1C |
| Millivolt support | Yes, documented floor/wall furnace applications |
| Operating humidity | 0–90% RH, non-condensing |
| Operating temperature | 32–105 °F |
| Power sources | Two AAA alkaline batteries |
| Scheduling | Non-programmable |
| Setpoint range | 45–90 °F |
| System modes | Heat; Off; Cool |