Floor heating thermostat&Room thermostat&Underfloor heating thermostat AE-P508-A and AE-P508-Ffloor heatingthermostat are mainly used in the control of electric heater or electric diffuser on/off switch, suitable to use indoor power indicator and heater output indicator installed directly on a flush box pecifications Sensing Element:NTC sensor Frequency:50HZ Housing: Flame retarding ABS Accuracy:2ºC Max.Load:3500W Storage temperature:-2ºC- 60ºC Supply:220 VAC Set-Point Range:5ºC-30ºC(AE-P508-A) 5ºC-40ºC(AE-P508-F) Switching current:16A Switching Type:SPST Working temperature:0ºC-60ºC