Product selection
Compare products
Review up to four products side by side. Copy this page’s URL to share your selection.
Add another product from the catalog for a side-by-side comparison.
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 1F83C-11NP 80 Series Thermostat |
|---|---|
| Brand | White-Rodgers |
| Model | 1F83C-11NP |
| SKU | 908021 |
| Component role | Standalone |
| Lifecycle | Legacy |
| Building systems | Not specified |
| Requires | Not specified |
| C wire requirement | Optional with batteries; required for hardwired operation |
| Contact ratings | 1.5 A per terminal; 2.5 A combined maximum |
| Dimensions | 3-3/4 in H × 6 in W × 1-1/8 in D |
| Dual transformer support | Separate RH and RC wiring supported; follow internal-jumper instruction |
| Fan modes | Auto; On |
| Heating and cooling stages | Conventional: 1H/1C; heat pump without auxiliary heat: 1H/1C |
| Keypad lockout | Buttons can be disabled; see user menu |
| Millivolt support | Yes, documented conventional applications |
| Operating humidity | 90% RH maximum, non-condensing |
| Operating temperature | 32–105 °F |
| Power sources | AA alkaline batteries or 20–30 VAC hardwired power with common |
| Scheduling | Non-programmable |
| Setpoint limits | Heating maximum: 47–99 °F; cooling minimum: 45–97 °F |
| Setpoint range | 45–99 °F |
| Supply voltage | 20–30 VAC, NEC Class II, 50/60 Hz (hardwired) |
| System modes | Heat; Off; Cool |