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Product Specifications:
| Item | Low Voltage Thermostat |
| Application | Heat And Cool |
| Backlit Screen | Yes |
| Backlit Screen Color | Blue |
| Backlit Type | Touch Activated Or Continuous With Common Wire |
| Batteries Included | Yes |
| Battery Backup | Yes |
| Battery Type | (2) AA Batteries |
| Changeover Type | Automatic |
| Color | White |
| Compatible System Type | Electric Forced Air Furnaces, Gas Forced Air Furnaces, Heat Pump With Aux, Millivolt |
| Contact Rating | 20-30V AC |
| Control Range | +45°F to +99°F |
| Control Type | Touch Screen |
| Dehumidification Control | No |
| Depth | 1 1/4" |
| Differential Cool | 0.9°F, 1.7°F |
| Differential Heat | 0.5°F, 1.9°F |
| Differential Type | Adjustable |
| Digit Size | Easy Read |
| Display Color | Blue |
| Display Size | 12 sq. in. |
| Display Type | Digital |
| Dual Transformer Compatible | Yes |
| Electrical Connection Type | Hardwired |
| Fan Settings | Auto-On |
| Fan Switching | Auto-On-Program-Circulate |
| Fan Switching | Auto On Program Circulate |
| Filter Change Reminder | Yes |
| Frequency | 50/60 Hz |
| Height | 4 5/8" |
| Housing Color | White |
| Humidification Control | No |
| Includes | Mounting Hardware |
| Includes Positive Off | Yes |
| Key Features | Add to Universal Models For Outdoor Temp Reading Or, Dual Fuel Balance Point And Outdoor Thermostat Functions, Indoor Remote Sensor For Averaging Option, Setpoint Temperature Limit Options |
| Key Pad Lockout | Yes |
| Low Battery Indicator | Yes |
| Maximum Control Temperature | 99°F |
| Maximum Operating Humidity | 90% |
| Maximum Operating Temperature | 105°F |
| Millivolt Compatible | Yes |
| Minimum Control Temperature | 45°F |
| Minimum Operating Humidity | 0% |
| Minimum Operating Temperature | 32°F |
| Mounting Direction | Horizontal |
| Mounting Location | Mark, Wall |
| Mounting Type | Horizontal |
| Number Of Cooling Stages - Conventional System | 1 |
| Number Of Cooling Stages - Heat Pump System | 1 |
| Number Of Heating Stages - Conventional System | 1 |
| Number Of Heating Stages - Heat Pump System | 2 |
| Number Of Zones | 2 |
| Overall Depth | 1 13/16" |
| Overall Height | 4 9/16" |
| Overall Width | 5 13/16" |
| Power Method | Hardwired/Battery |
| Programming Capability | 5-1-1, 7 Days |
| Programs Per Week | 5-1-1, 7, or Nonprogrammable |
| Programs Per Week | 5-1-1, 7 Or Non Programmable |
| Remote Sensing Capability | Yes |
| Screen Height | 12" |
| Screen Width | 12" |
| Sensor Location | Remote |
| Shape | Rectangle |
| Smart Connectivity | No Connectivity |
| Stages Conventional | 1 H/1 C Conventional |
| Stages Heat | 1 |
| Stages Heat Pump | 2 H/1 C Heat Pump |
| Stages Heating/cooling | 1 H/1 C Conventional, 2 H/1 C Heat Pump |
| System Settings | Auto Cool Emergency Heat Off |
| System Switching | Auto Heat Cool Off |
| System Switching | Auto-Heat-Cool-Off |
| Temp. Settings Per Day | 4, 2, 0 |
| Temp. Settings Per Day | 0, 2, 4 |
| Temperature Differential | 0.6°F, 1.2°F |
| Temperature Limiting | Yes |
| Temperature Readout | Yes |
| Temperature Scale | Fahrenheit, Celsius |
| Temporary Program Override | Yes |
| Temporary Temperature Hold | Yes |
| Terminal Designations | -, +, 6, C, G, L, O/B, RC, RH, S, W/E, Y |
| Thermostat Type | Low Voltage |
| Voltage | 20-30V AC |
| Width | 5 15/16" |
Shipping Info:
| Ship weight (kg) | 0.45 |
| Ship height (cm) | 16 |
| Ship length (cm) | 12.95 |
| Ship width (cm) | 5.08 |
| HS code | 9032100030 |
| Country of Origin | VN |
Product Details:
- 750mV Compatible (Yes)
- Automatic Changeover (Yes)
- Dual Transformer Compatible (Yes)
- Humidification Control (No)
- Low Battery Indicator (Yes)
- Programmable Fan (Yes)
- Stages Cool (1)
- Sub-Brand: EMERSON CLIMATE
Product Variants
| Product | Model | Application | Programming Capability | Overall Width | Voltage | Key Pad Lockout | Color | Depth | Height | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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01F78 151S1 | Heat And Cool | 5-2 | 5 1/8" | 20-30V AC | No | White | 1 1/8" | 3 1/4" | €107.45 | |
![]() |
1F85U-42NP | Heat And Cool | Not Programmable | 6" | 20/30V AC | Yes | Gray | 1 1/8" | 3 3/4" | €141.41 | |
![]() |
1F85U-22PR | Heat And Cool | 5-1-1, 5-2, 7 Days | 6" | 20-30V AC | Yes | Gray | 1 1/8" | 3 3/4" | €234.56 | |
![]() |
1F83C-11NP | Heat Or Cool | Not Programmable | 6" | 20V AC | Yes | Gray | 1 1/8" | 3 3/4" | €90.52 | |
![]() |
1F83C-11PR | Heat And Cool | 5-1-1, 5-2, 7 Days | 6" | 20-30V AC | Yes | Gray | 1 1/8" | 3 3/4" | €153.58 | |
![]() |
1F85U-42PR | Heat And Cool | 5-1-1, 5-2, 7 Days | 6" | 20-30V AC | Yes | Gray | 1 1/8" | 3 3/4" | €232.05 |
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Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
EMERSON 01F97 1277 Touchscreen Thermostat 1H 1C 5-1-1 Prog
€369.36 /unit




