Plug N Grow iGS-021 Day Night Temperature Controller

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SKU 36404


Day Night Temperature Controller iGS-021

The Day Night Temperature Controller (iGS-021) is precise and easy-to-use for basic and economical temperature control! The Day Night Temperature controller will operate your heating or cooling equipment in accordance with user-chosen day and night set points. The Day Night Controller comes with an external probe to place directly on your plants.

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.


  • Day/night detection
  • Adjustable day and night set points from 50 to 100°F (10 to 38°C)
  • Precise external temperature sensor 20" cable to place at plants top level: ±1°F (±0.6°C)
  • Smooth rotating knobs with continuous adjustment
  • 120V, 15A, 2 HP load capacity

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