Trollmaster Beta-4 Thermostat - day/night temperature controller

Sale price£64.95


The Trollmaster Beta-4 thermostat is a great addition to your environmental control set up, it allows for two heating set points to be programmed one for daytime and one for night time. The unit has a light cell that senses when the lights are out and automatically changes to your night time set point. Its especially handy for LED growers who need to heat in the day to add to the heat from the lights but need a different set point for the dark period.

It can also be used on cooling mode instead of heat to control an extra exhaust fan or air con etc.


Choose between celsius or farenheit settings

1.8m power cord

Light sensor - two heat settings

5 degree deadband

Easy to use



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