Low Voltage Thermostat Heat Only Compatible System Type Electric Forced Air Furnaces Gas Forced Air Furnaces Millivolt Hydronic Systems Push Button Slide Switch Dehumidification Control No Digit Size Standard Digital Dual Transformer Compatible No Humidification Control No Includes Positive Off Yes Minimum Control Temperature 35 Degrees F Maximum Control Temperature 90 Degrees F Key Features Dual Powered Key Pad Lockout No Mounting Direction Horizontal