Lux Products T20-1141 is a deluxe heating only thermostat with a temperature range of 50° F to 90° F and a sealed mercury switch. It features an anticipator rating of 0.15A to 1.2A, allowing for precise temperature control and efficient furnace operation. The thermostat is easy to install and operate, with clear instructions and a user-friendly interface. The T20-1141 is ideal for use in homes, apartments, and other residential buildings, providing comfortable and energy-efficient temperature control.