Loading... Please wait...| Firebox Sizing & How To Measure: |

| X | Width of the firebox opening | DF | Distance between the firebox and the floor |
| Y | Height of the firebox opening | RHH | Height of raised hearth (optional) |
| DL | Distance to nearest obstruction or edge left of the firebox | RHW | Width of raised hearth (optional) |
| DR | Distance to nearest obstruction or edge right of the firebox | RHD | Depth of raised hearth (optional) |