MC Enterprises Heat-Only Rodgers Wall Thermostat - Millivolt White. It is intended to be mounted directly to a wall or other vertical surface. This heat-only model does not offer cooling. Features of MC Enterprises Heat-Only Rodgers Wall Thermostat - Millivolt Mounts to a wall or other vertical surface Millivolt operation Heat-only applications Does not offer cooling Includes back plate and screws Package Contents: MC Enterprises Heat-Only Rodgers Wall Thermostat - Millivolt MC Enterprises MC100: Heat-Only Rodgers Wall Thermostat - Millivolt White