Emerson 1F78-151 Digital Thermostat
Programming
- Choice of 5/2 day programming (weekday/weekend), 7 day or non-programmable
- 4 time and 4 temperature settings per program for heating and cooling (1F78-151) Energy savings up to 33%
Display
- Large, easy-to-read thermostat display
- New — Lighted display for easier low-light viewing
Comfort & Convenience
- Electronic temperature accuracy
- Adjustable room temperature calibration
Performance
- B & O terminals
- Meets California Building Code, Title 24 (1F78-151)
- Millivolt compatible
- Battery-powered thermostat for maximum compatibility (2 “AAA” Energizer® batteries included)
- Maintains room temperature differential within +/- 1 degree
Mechanical Footprint Comparison Legend
| White-Rodgers 1F78 Series Digital Thermostat | Height
3 3/4″ | Width
5 1/8″ | Depth
1 1/8″ | |
| Robertshaw 400 Series | 3 5/8″ | 3 1/4″ | 1 1/4″ | |
| Honeywell T87F w/subbase | 3 3/4″ | 3 3/4″ | 1 3/4″ | |
| White-Rodgers 1F56 | 3 1/4″ | 4 1/2″ | 1 5/8″ | |
| Honeywell T8034 | 2 7/8″ | 4 3/4″ | 1 5/16″ |
Economy Digital Thermostat Feature Comparison
| Feature | White-Rodgers 1F78-151 | Model Robertshaw 9600 | Lux PSP511 | CTC 43103 |
| Large, Easy-to-Read LCD | X | X | ||
| Lighted Display | X | |||
| Easy to Program | X | |||
| Best in Class Accuracy | X | |||
| Millivolt Compatible | X | X | X | X |
| Single Stage Heat Pump (B&O Terminals) | X | X | X | |
| True 5/2 Day Programming | X | X | X | |
| Soft-Touch Buttons | X | X |
Terminal Designations
- Dimensions
- 1″W x 3.75″H x 1.1″D
- Electrical Specifications
- Rating
- 0 to 30 VAC, 50/60 Hz or DC 0.05 to 1.0 Amp (load per terminal)
- 5 Amps maximum load (all terminals combined)
- Standard Systems
- Single-stage gas, oil, electric
- Single-stage heat pump
- Millivolt compatible
For Additional Information
- Visit www.white-rodgers.com
Smart Design Covers the Wall Marks of Others
- No spackling or painting is necessary because its smart design hides wall marks left by the most popular mechanical thermostats. Plus it has a lower profile
Application Guide
| Series | System | Programs | Power Source |
| 90 – Premium 80 – Standard | Single Stage | 7 day | Power stealing w/battery back-up Hardwired/battery |
| Multi-Stage Heat Pump | 5/1/1 day | ||
| 5/2 day Non-programmable | Battery | ||
| 70 – Economy | Hardwired |
Thermal Specifications
- Setpoint Temperature Range: 45° to 90°F (7° to 32°C)
- Rated Differential: 0.6° to 1.9°F with adjustable anticipation
- Operating Ambient Temperature: 32° to 105°F (0° to 40°C)
- Operating Humidity Range: 90% non-condensing maximum
- Shipping Temperature Range: -4° to 150°F (-20° to 65°C)
Accessories
- Wall Plate F61-2510 with 2″ x 4″ junction box adaptor (6.5″W x 4.5″H)
- Wall Plate F61-2550 (6.5″W x 4.5″H)
- Thermostat Guard F29-0231
- (For additional guard options refer to White-Rodgers catalog.)
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