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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 1F56N-444 Mechanical Thermostat |
|---|---|
| Brand | White-Rodgers |
| Model | 1F56N-444 |
| SKU | 908020 |
| Component role | Standalone |
| Lifecycle | Legacy |
| Building systems | Not specified |
| Requires | Not specified |
| Contact ratings | 24 VAC nominal, 30 VAC maximum; heating 0.15–1.2 A; cooling 0–1.5 A |
| Dual transformer support | Yes, documented two-transformer wiring |
| Fan modes | Auto; On |
| Heating and cooling stages | Single-stage heat/cool; heat pump without auxiliary or emergency heat |
| Millivolt support | Yes, with anticipator set to the millivolt link |
| Mounting | Horizontal wall mounting |
| Operating humidity | 0–90% RH, non-condensing |
| Scheduling | Non-programmable |
| Setpoint range | 50–90 °F |
| System modes | Heat; Off; Cool |