Specifications
| Heat output (1 firing) | 6.7 kW |
|---|---|
| Useful heat output | 3.3 kW |
| Energy efficiency class | A+ |
| Efficiency | + 80 % |
| Minimum wood load | 3.8 kg |
| Maximum wood load | 7.5 kg |
| Log length | 25 cm 33 cm |
| Material | Cast iron and refractory stone |
| Flue outlet | Ø 180 mm |
| Air inlet diameter | 125 or 160 mm |
| Air inlet | Ductable |
| Minimum interval between firings | 4 h |
| Draught | 14 Pa |
| Flue gas mass flow rate | 43.7 g / s |
| Energy efficiency index (EEI) | 111.1 |
| Net weight | 190 kg |
| Standard | According to EN 13229 |
| Manufacturer | Kaschuetz |
| Origin | Austria |
Documentation:
Firetherm 6 technical data sheet
Firetherm 6 technical data sheet
Firetherm firebox manual (in French)
Firetherm firebox user manual
Declaration of performance Firet
PerformanceFiretherm6_fr
Firetherm firebox assembly (in French)
Firetherm firebox installation manual
Firetherm 6 cast iron firebox - 6.7 kW / 7.5 kg
Specific cast iron firebox with multi-point air injection to the UZ 37 standard, for building high-quality bespoke heat-storage stoves.
- Load: 3.8 to 7.5 kg per fire
- Nominal heat output: 6.7 kW
- Efficiency: >80 %
Sur Commande
Price:
€3,957.60
Tax included
Air inlet
Flue outlet
Door model
Product customization
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Related products:
7.5 kg / 6.7 kW cast iron firebox specifically for building high-quality bespoke heat-storage stoves, with horizontal double-glazed glass and a firebox with multi-point air injection (UZ37).
✅ Energy efficiency class: A+
✅ Load: 3.8 to 7.5 kg per fire.
✅ Reloading interval: 4 h
✅ Nominal heat output: 6.7 kW
✅ Efficiency: >80 %
✅ Weight: 190 kg, including 40 kg of refractory stones (grog)
✅ Combustion chamber dimensions: 430 (W) x 235 (D) x 490 mm (H)

























