![](https://frostandflame.com/wp-content/uploads/2023/05/HAR_52i-TC_InsertFinishMB_326x277-1-300x255.jpg)
![](https://frostandflame.com/wp-content/uploads/2023/05/HAR_ZC-box_326x277-300x255.jpg)
If you don’t have a factory built fireplace or masonry fireplace, the Harman Zero Clearance Box, Part # 1-00-574323, can make heating with this pellet insert possible. This is the only permissible way to install the Accentra 52i- TC Pellet Insert without a suitable fireplace.