904
Previously certified
EPA lists 904 under Gruppo Piazzetta S.P.A. as a previously certified non-catalytic wood stove.
The listed emission rate is 7.5 grams per hour.
EPA does not list an HHV efficiency for this model line.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Wood Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 7.5 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 6,700–28,300 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Not listed |
| Test method | Not listed |
| 2020 NSPS | 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.
- 904
Other model lines from this manufacturer
- Maryon, Maryon FG Currently certified
- P158, P158 D, and P158 T Currently certified
- P163, P163 D, and P163 T Currently certified
- Sahara Currently certified
- 905 Previously certified
- LIA, LISA Previously certified
- Monia 2.0, Marcella 2.0, Maya 2.0, Monica 2.0 Previously certified
- Monia, Marcella, Marcella, Mia, Maira Previously certified
- P955, P956, and P957 Previously certified
- P958 Previously certified
- P960, P961, P962 Previously certified
- P963 Previously certified
- Sabrina 2.0, Sally 2.0, Solange 2.0, Sveva 2.0 Previously certified
- Sabrina, Sveva, Samanta, Siria Previously certified
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Wood Stove model lines that list it. Ties are ordered by model name.
Emission
- 100B Design 29, Fionn — 7.5 grams per hour
- Gemini 1500 (Without Blower), Adirondack, Savannah, Eldorado, Jurassien, Celtic, Osburn 1500 — 7.5 grams per hour
- Sahara, Kyle 2.0 — 7.5 grams per hour
- Sierra Classic 1500T — 7.5 grams per hour
- XVR-III, XLT-III — 7.5 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- Intrepid II 1990 — 8,300–26,700 BTU/hr
- Intrepid II 1990 — 8,300–26,700 BTU/hr
- Lincoln 8060, Green Mountain 20 (8620), Dorset (8330) — 14,545–20,507 BTU/hr
- Vermont Castings by Forge and Flame Dauntless-C — 13,560–21,356 BTU/hr
- 18 PC — 8,700–26,400 BTU/hr
Gruppo Piazzetta S.P.A. hub · EPA Certified Wood Heater Database