Maxim M255P/M255PE
Previously certified
EPA lists Maxim M255P/M255PE under Central Boiler Inc.- WoodMaster Inc. as a previously certified hydronic heater.
The listed emission rate is 0.04 pounds per million BTU.
The listed HHV efficiency is 82 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 | 0.04 pounds per million BTU |
| HHV efficiency | 82 percent |
| Heat output | 165,215 BTU/hr maximum |
| Heat output maximum | 165,215 BTU/hr |
| Firebox | Not applicable |
| CO | Not listed |
| Certified fuel | Wood Pellets |
| 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.
- Maxim M255P/M255PE
Other model lines from this manufacturer
- Central Boiler Classic Edge 360, WoodMaster– CleanFire 300 Currently certified
- Central Boiler Classic Edge 960, WoodMaster CleanFire 900 Currently certified
- Classic Edge 560.1, CleanFire 500.1 Currently certified
- Classic Edge 760.1, CleanFire 700.1 Currently certified
- Classic Edge 865, CleanFire 1800 Currently certified
- Maxim M255 PE Currently certified
- Central Boiler Classic Edge 560, WoodMaster– CleanFire 500 Previously certified
- Central Boiler Classic Edge 760, WoodMaster– CleanFire 700 Previously certified
- Classic Edge 350 Previously certified
- Classic Edge 550 Previously certified
- Classic Edge 750 Previously certified
- E-Classic 1450 Previously certified
- E-Classic 3250 IR 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
- BioWIN 152 — 0.04 pounds per million BTU
- BioWIN 152 — 0.04 pounds per million BTU
- BioWIN 262 — 0.04 pounds per million BTU
- BioWIN 262 — 0.04 pounds per million BTU
- BioWIN 332 — 0.04 pounds per million BTU
HHV efficiency
- Central Boiler Classic Edge 360, WoodMaster– CleanFire 300 — 82 percent
- CleanFire 300 (Central Boiler Classic Edge 360) — 82 percent
- P4000 — 82 percent
- Pellematic 22 — 82 percent
- Central Boiler Classic Edge 760, WoodMaster– CleanFire 700 — 83 percent
Heat output
- Blaze HE — 166,109 BTU/hr maximum
- P4 Unit 48 — 164,000 BTU/hr maximum
- P50 — 163,000 BTU/hr maximum
- Classic Edge 550 — 162,170 BTU/hr maximum
- Kedel RTB 170 — 162,000 BTU/hr maximum
Central Boiler Inc.- WoodMaster Inc. hub · EPA Certified Wood Heater Database