F29-0198 Thermostat Guard Features: Ring Base Internal 8-1/3"?L x 4-5/8"?H x 3-5/8"?D Solid Base Internal 8-1/4"?L x 5-3/8"?H x 3-1/2"?D F29-0198 will accept All White-Rodgers thermostat types Each model furnished with one key and can be mounted vertically or horizontally White-Rodgers, a recognized leader in climate control solutions, celebrates 75 years of business in 2012. Experience, integrity and customer service are still the tenets that mark this great company. From the humble beginnings of two engineers collaborating to solve the control problem of the day, to being the answer for your climate control needs, White-Rodgers is the respected name among industry professionals and home owners alike.