Featuring a standard footprint to ease replacement, this EMERSON low voltage thermostat is easy to install and set up with a universal back plate that allows future upgrades. The large, easy-to-read screen has a bright backlit display and comes with temperature setpoint limits. Suitable for use with gas/oil/electric heating systems. Model has permanent memory, filter change reminder, and a keypad lockout to help prevent tampering. Low Voltage Thermostat, Gray, 24VAC