Day/Night Controller without display

Basic and easy to use, the iGS-021 temperature controller will operate your heating or cooling equipment in accordance with user-chosen day and night set points.

Features
- Day/night detection
- Adjustable day and night set points from 50 to 100°F (10 to 38°C)

- Precise external temperature sensor 20in cable to place at plants top level: ±1°F (±0.6°C)
- Smooth rotating knobs with continuous adjustment
- 120V, 15A, 2 HP load capacity