Basic and easy to use, the iGS-021 temperature controller will operate your heating or cooling equipment in accordance with user day and night set points. The controller comes with an external probe to place directly on your plants.
More details about PNG IGS-021 Day/Night Temperature Controller:
The iGS-021 does not have a display. The day and night set points are adjustable from 50 to 100°F (10 to 38°C) using smooth rotating knobs with continuous adjustment. With 20" (50 cm) cable, you can place the external temperature sensor at the plants top level.
Basic and easy to use horticultural thermostat
Day/night detection
Can be set to operate heating or cooling equipment
Adjustable day and night set points from 50 to 100ºF (10 to 38ºC)
Precise external temperature sensor 20" cable: ±1°F (±0.6°C)
Set point knobs are factory calibrated for accurate settings