There are 3 types of fireplace in the scene:
1) FORTUNA
2) FORTUNA Panorama
3) FORTUNA Bifacciale

Dimensions:
(WxHV): 500×1267

https://www.fireplaceproducts.co.uk/la-nordica-fortuna-wood-burning-stove/ 

corona 2.0
For Corona render it is recommended to use a version not lower than 1.5 since the glossiness of materials is adjusted to fit PBR.

Export file under anti-aliasing.