The Grozone TP12 Adjustable Differential Day/Night Tempstat is a temperature controller that can be used for both day and night, and for both heating or cooling 55°F to 95°F (13°C to 35°C).
The temperature differential is from 4°F to 20°F (2°C to 11°C) and this unit has a maximum 120V load: 15A (resistive), 1/2HP.