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| Opening | Chimney | System Function | BTU | Model | CAD / CSI | ||
|---|---|---|---|---|---|---|---|
| Width | Height | Outer | Inner | ||||
| 36" | 20" | n/a | n/a | Vent-Free | 27-34,000 | VFPF-2 | download |
| 34-1/2'' | 21" | 7-1/2" | 4-1/2" | Direct-Vent | 39,000 | EDVST | download |
| 34-1/2'' | 21" | 7-1/2" | 4-1/2" | Direct-Vent | 39,000 | EDVPF | download |
| 34-1/2'' | 21" | 7-1/2" | 4-1/2" | Direct-Vent | 39,000 | EDVCR/CL | download |
| 34-1/2'' | 21" | 6" | n/a | B-Vent | 34-37,500 | EBVST | download |
| 34-1/2'' | 21" | 6" | n/a | B-Vent | 34-37,500 | EBVPF | download |
| 34" | 20" | n/a | n/a | Vent-Free | 27-34,000 | VFST-2 | download |
| 29-1/2" | 19" | 7-1/2" | 4-1/2" | Direct-Vent | 28-30,000 | MPD35PF | download |
| 29-1/2" | 19" | 5" | n/a | B-Vent | 28-30,000 | MPB35ST | download |
| 34-3/8" | 24" | 7-1/2" | 4-1/2" | Direct-Vent | 30-37,500 | SSDVPF | download |
| 34-3/8" | 24" | 7-1/2" | 4-1/2" | Direct-Vent | 30-37,500 | SSDVST | download |
| 29-1/2" | 19" | 7-1/2" | 4-1/2" | Direct-Vent | 28-30,000 | MPD35ST | download |