350X
Previously certified
EPA lists 350X under Heatmor Manufacturing as a previously certified hydronic heater.
The listed emission rate is 0.31 pounds per million BTU.
The listed HHV efficiency is 58 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Hydronic Heater |
| Subtype | Non-Catalytic Stove |
| Emission | 0.31 pounds per million BTU |
| HHV efficiency | 58 percent |
| Heat output | 255,582 BTU/hr maximum |
| Heat output maximum | 255,582 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Cord Wood |
| Test method | Not listed |
| 2020 NSPS | No |
| Thermal storage | No |
Retail names in the model line
These are the names split from EPA's model cell. They are aliases for this line, not separate listings.
- 350X
Other model lines from this manufacturer
- 200 SSP Previously certified
- 400-4S Previously certified
- X Series 200X Previously certified
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Hydronic Heater model lines that list it. Ties are ordered by model name.
Emission
- Classic Edge 550 — 0.31 pounds per million BTU
- Empire Elite 200/XT200 — 0.31 pounds per million BTU
- KB-165 — 0.31 pounds per million BTU
- 200 SSP — 0.32 pounds per million BTU
- Drummer-35 — 0.32 pounds per million BTU
HHV efficiency
- BioWIN 212 — 58 percent
- BioWIN 212 — 58 percent
- Blaze HE — 58 percent
- KB-165 — 57 percent
- Woodmaster Ultra 30 — 59 percent
Heat output
- GT Series GT-6000 — 250,000 BTU/hr maximum
- E-Classic 3250 IR — 245,000 BTU/hr maximum
- GX Series GX30 — 242,090 BTU/hr maximum
- Classic Edge 750 — 240,362 BTU/hr maximum
- P4 Unit 80 — 273,000 BTU/hr maximum
Heatmor Manufacturing hub · EPA Certified Wood Heater Database