The TF228WN digital thermostat is designed for 3-speed fan and valve control in a fan coil system, including: 
 * 2-pipe cool only/heat only/manual changeover 
 * Ventilation mode 
 * Manual or automatic 3-speed fan control 
 * Water valve control
>> General
The TF228WN digital thermostat is designed for 3-speed fan and valve control in a fan coil system, including:
>> Specification
>>Application
We usually ship by
1.Sea shipping :25-30 days
2. Air shipping :5-7 days
3. Express delivery(DHL, UPS, FedEx, TNT etc.):4-7days