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Classic 70 Series Thermostats
The perfect upgrade from mechanical thermostat available as Heat Pump or Single Stage offering economy and value with proven reliability.
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1E78-140, Classic 70 Series Thermostats
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System Type
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Single-Stage
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Power Source
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Battery
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Program Style
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Non-Programmable
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Stages
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Single Stage 1H/0C
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Style
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Vertical
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1E78-144, Classic 70 Series Thermostats
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System Type
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Single-Stage
Heat Pump (No Aux) |
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Power Source
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Battery
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Program Style
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Non-Programmable
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Stages
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Single Stage 1H/1C, Heat Pump 1H/1C
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Style
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Vertical
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1E78-151, Classic 70 Series Thermostats
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System Type
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Single-Stage
Heat Pump (No Aux) |
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Power Source
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Battery
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Program Style
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5-2 Programmable
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Stages
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Single Stage 1H/1C, Heat Pump 1H/1C
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Style
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Vertical
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1F72-151, Classic 70 Series Thermostats
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System Type
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Heat Pump
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Power Source
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Hardwire
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Program Style
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5-2 Programmable
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Stages
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Heat Pump 2H/1C
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Style
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Horizontal
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1F78-144, Classic 70 Series Thermostats
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System Type
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Single-Stage
Heat Pump (No Aux) |
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Power Source
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Battery
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Program Style
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Non-Programmable
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Stages
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Single Stage 1H/1C, Heat Pump 1H/1C
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Style
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Horizontal
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1F78-151, Classic 70 Series Thermostats
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System Type
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Single-Stage
Heat Pump (No Aux) |
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Power Source
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Battery
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Program Style
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5-2 Programmable
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Stages
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Single Stage 1H/1C, Heat Pump 1H/1C
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Style
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Horizontal
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1F79-111, Classic 70 Series Thermostats
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System Type
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Heat Pump
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Power Source
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Hardwire
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Program Style
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Non-Programmable
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Stages
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Heat Pump 2H/1C
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Style
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Horizontal
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Features
- Horizontal and vertical models
- Programmable and non-programmable models
- Selectable Celsius or Fahrenheit temperature display
- Fossil fuel or electric heat compatible
- Electronic accuracy
- Temperature accuracy for customers on a budget
Specifications
- Voltage
- 20-30 Vac, NEC Class II 50/60Hz
- Terminal Load
- 1.5 Amps per terminal, 2.5 Amps maximum (all terminals combined)
- Set-point Range
- 45 to 99 deg. F (7 to 37 deg. C)
- Operating Humidity
- 0%-90% RH non-condensing max.
- Storage Temperature Range
- -20 to 150°F (-29 to 65°C)
- 1F78 Dimensions
- 3.19 in. H X 5.13 in. W X 1.13 in. D
- 1E78 Dimensions
- 5.31 in. H X 3.19 in. W X 1.13 in. D
- Heat Differential (Conventional / Gas / Oil / Elec)
- Fast 0.5°F, Med. 0.75°, Slow 1.9°F
- Cool Differential (Central Air)
- Fast 0.9°F, Med. 1.2°, Slow 1.7°F
- Heat Pump Differential (Heat and Cool)
- Fast 0.9°F, Med. 1.2°, Slow 1.7°F
- Aux. Heat Differential
- Fast 0.5°F, Med. 0.75°, Slow 1.9°F
Documents & Drawings
Engineered for Sustainability
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