Emerson Thermostats Universally Compatible Non-Programmable Thermostat

The Emerson G20 is a large locking thermostat guard to protect your thermostat from unwanted tampering. This thermostat guard can be mounted vertically or horizontally. Maximum thermostat dimensions: 5-3/8 in. H x 8-1/4 in. L x 3-1/2 in. D
Features
Protect your thermostat from unwanted tampering or adjustment of temperature by unauthorized personnel
Designed to fit most Emerson / White-Rodgers thermostats
Clear plastic guard box for applications that need the thermostat visible
Includes one key, guard box, mounting plate and ring
Ideal for use in offices, churches, restaurants, schools and other public areas