The T-4054 Heating-Cooling, Energy Manager Thermostat is a high volume output, with an adjustable deadband of 0 to 30°F (0 to 16°C) between heating and cooling set points.
Refer to T-4000 Series Pneumatic Room Thermostat Product Bulletin (LIT-7171060P) for important product information.
Figure 1. T-4054 Heating-Cooling, Energy Manager Thermostat