Spartherm S 600 Insert, Spartherm S 600 ZC, Spartherm S 600 Module
Currently certified
EPA lists Spartherm S 600 Insert, Spartherm S 600 ZC, Spartherm S 600 Module under Spartherm as a currently certified non-catalytic wood stove.
EPA lists 2 rows for this model line, with emission rates of 1.7 grams per hour and 1.8 grams per hour.
The listed HHV efficiency is 62 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 | Row 2 |
|---|---|---|
| Status | Previously certified | Currently certified |
| Type | Wood Stove | Wood Stove |
| Subtype | Non-Catalytic Stove | Non-Catalytic Stove |
| Emission | 1.7 grams per hour | 1.8 grams per hour |
| HHV efficiency | 70 percent | 62 percent |
| Heat output | 10,613–47,417 BTU/hr | 20,345–21,299 BTU/hr |
| Firebox | 0.95 cu ft | 0.94 cu ft |
| CO | 0.97 g/min | 0.8 g/min |
| Certified fuel | Cord Wood | Crib Wood |
| Test method | Not listed | Not listed |
| 2020 NSPS | Yes | Yes |
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.
- Spartherm S 600 Insert
- Spartherm S 600 ZC
- Spartherm S 600 Module
Other model lines from this manufacturer
- L 800 ZC, L 800 Module, L 800 Insert Currently certified
- Spartherm M 700 Series: Spartherm M 700 Insert, Spartherm M 700 ZC, and Spartherm M 700 Module Currently certified
- Spartherm M 700 Insert, Spartherm M 700 ZC, Spartherm M 700 Module 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
- 1.4 Series (Osburn 950, Escape 1200, Gateway 1400, Solution 1.4, Spark II, Fox, Déco Nano, S250, Harmony 1.4, HES140, Blue Ridge 100) — 1.8 grams per hour
- 1410B, 1440B, 1450B — 1.8 grams per hour
- 15-W06, 50-SHW06, 50-SHW06L, 50TRW06, 15-W08, 50-SHW08, 50-SHW08L, 50TRW08 — 1.8 grams per hour
- 30 Compact, 30 Compact-H, 30 Compact-one — 1.8 grams per hour
- 44 Elite — 1.8 grams per hour
HHV efficiency
- Brass Flame KS-805 — 63 percent
- FP16 LE, FP16 AR LE — 63 percent
- Gaya Ardoise, Itaya, Onyx, Gaya Feuille, Symphonia, Antaya, Theïa, Akan — 63 percent
- Invicta Group: Kazan, Kazan GA, Kiara, Kiara GA — 63 percent
- Montecito-C Series: Montecito-C, WCT6920WSS, Bainbridge-B, WCT4920WSS — 61 percent
Heat output
- Flushwood Plus — 12,000–29,600 BTU/hr
- Kiwi VcV 2.1 — 12,800–28,800 BTU/hr
- Quadrafire Adventure II — 10,500–31,100 BTU/hr
- Savannah SSI30 — 11,000–30,600 BTU/hr
- SSI 30 — 11,000–30,600 BTU/hr