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By certification 
Production Introduction:
ME5903 is water heating thermostat, touch Screen Period Programming Thermostat Weekly circulation, it is possible to set 6 periods called events each day with corresponding pre-set temperatures, also you can select “period control mode” or “manual mode” according to your individual requirements.
Package List:
1 * Floor Heating Thermostat
2 * Mounting Screws
1 * English User Manual
Production Parameter:
Voltage: 110-230VAC
Power consumption: <2W
Current loading: 3A
Temperature setting range: 5-35℃
Temperature limitation range: 5-90℃
Sensor: built-in sensor
Product details:
http://www.yuetsz.com/
