Australia’s Largest Two-Oven Wood-Fired Cooker
A Lifetime of Cooking, Heating & Reliability
The Thermalux Supreme Mk3 is a premium, slow-combustion cooking stove — and a true icon of durability and performance. With the largest oven and hotplate of any Australian-made cooking stove, it’s built for serious cooks, large families, and those who want their appliance to last a lifetime — or longer.
Originally launched almost 40 years ago, the design has stood the test of time, retaining its classic aesthetic and unmatched reliability with only minor cosmetic refinements.
Crafted from cast iron, heavy-gauge steel & stainless-steel components.
Thick plate steel ovens ensure a lifespan of 50+ years.
Self-cleaning and self-venting ovens provide even, reliable heat for perfect baking.
Massive cast iron hotplate – fits up to six saucepans at once.
Dedicated cast iron simmer plate for gentle cooking.
Dual air controls, flue damper & dilution control – fine-tuned heat management.
Hinged hotplate covers retain heat and enhance efficiency when not in use.
Tailor your Mk3 to meet your hot water and central heating needs:
-5kW water jacket – domestic hot water.
-8kW jacket – domestic + small hydronic systems.
-20kW (Supreme CD model) – hydronic heating up to 200m².
-Includes an additional air control for high-efficiency combustion.
-Ideal for underfloor or radiator systems.
-Glass oven door
-Splash back with integrated plate rack
-Chrome hotplate covers & chrome hob
-Powder-coated doors in designer colours
-Mirror image set-up available – flue and oven can be reversed.
-Hard-wearing paint colours: Black, Charcoal, Blue, Green, Brown.
-Mojave Red available for a bold touch (small extra cost).
-Optional plinth – raises stove to 900mm bench height for ease of use.
Upgrade to the Stirling Mk3 for added style and practicality:
Chrome hob.
Powder-coated designer door options.
Chrome hotplate covers.
Enhanced detailing and aesthetics.
Thermalux Supreme Mk3 – A stove for a lifetime. A legacy for generations.
Whether used for cooking, heating, or both, this beautifully engineered cooker is a dependable, stylish centrepiece for any home.
| Height | 810mm |
| Width | 840mm |
| Depth | 670mm |
| Heating area | Up to 200m² |
| Emissions | Exempt |
| Efficiency | Exempt |
| Side - Flue | 100mm |
| Side - Cooktop | 50mm |
| Rear | 75mm |
| Overhead | 900mm |
