Fan-Forced Ceiling Heater Disperses Heat Evenly From A Unit That Extends Only 2-3/4'' From The Ceiling. Satin-Finish Aluminum Grille And A Low-Profile Housing Will Complement Any Decor Enclosed, Metal Sheathed Element Delivers 1250 Watts Of Instant Heat With No Waiting Time A Permanently Lubricated Motor, Automatic Overheat Protection, And Ul Listing Ensures Reliable, Safe Operation Mounts Easily To Any Standard 3-1/2'' Or 4'' Round, Or 4'' Octagonal Ceiling Electrical Box Providing Versatile Choices For Installation It Is Recommended That Heater Operation Is Controlled With A Choice Of Broan Wall Controls, Available Separately. (Model 86W Line-Voltage Thermostat Or Model 61W/61V 15-Minute Timer) Ceiling Heaters Are Intended To Provide Supplemental Heat And Not To Take The Place Of A Home