Product details:

Broan 174FT Wall Heater Finish Pack with Grille and 1500W Heater - Includes Ther Project Pack - Includes Built-In Thermostat - Model 174FtBroan Comfort-Flo Heaters are available in project packs so you can install the housing now and decide which finish kit is best suited for your project later. Housing Units (the shell that holds the heater) come in packages of four. Finish kits (the heating element and grille) contain only one product.Same As 174F Except Includes Built-In Thermostat With Thermostat NA