HabiStat Digital Dimming Thermostat Day/Night Timer, 600 Watt is suitable for most heaters and will provide a continual temperature rather than a hot/cold cycle. 

Separate setting of daytime temperature and night time temperature allows you to automatically set when you want the thermostat to switch temperatures.  

Continual readout of current temperature and time. 

Revolutionary Power Meter continually indicates % of power at the heater. Coloured Icon flashes to indicate function presently in use. 

With not only a temperature-controlled socket, but a second socket that comes equipped with 2 timers, you can turn separate lighting, fans or misting systems on and off twice within a 24 hour period. 

Waterproof, 3 metre long, low voltage sensor.  

Adjustable alarm function to give visual and audible warning when temperature goes above or below set temperature parameters. Alarm can be disabled if not required.   

Both upper and lower temperature limits can be set.  

Comes with pre-set parameters, so can just be plugged in and used if required. Will not loose memory settings if power is disconnected.   

Measures to 0.1°c.   
Easy to set and use.   
Maximum 600 watts.