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Low V T-Stat, Stages Heat 1, Stages Cool 1
- Item # 3MY10
- Mfr. Model # 1F78-144
- UNSPSC # 41112209
- Catalog Page # 4219
- Shipping Weight 0.45 lbs.
- ItemLow Voltage Thermostat
- Stages Heat1
- Stages Cool1
- Terminal DesignationsRH,RC,Y,W,G,O,B
- System SwitchingHeat-Off-Cool
- Fan SwitchingAuto-On
- Display1.2 sq. in., LCD
- Key Pad LockoutNo
- Programmable FanNo
- Humidification ControlNo
- Remote Sensing CapabilityNo
- Battery BackupNo
- Low Battery IndicatorYes
- Batteries IncludedYes
- Dual Transformer CompatibleYes
- Power MethodBattery
- 750mV CompatibleYes
- Mounting TypeHorizontal
- Control Range45 Degrees to 90 Degrees F
- FeaturesDigital Accuracy, Economy Residential Heating and Cooling Thermostat
- For Use WithGas, Oil, 24V Electric
- Includes2 AAA Batteries
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wiring diagram. I have forwarded a copy to your email address.
I recommend calling HVAC tech support at 800-472-4643. There could be a few different issues that may cause the back light to fail.
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