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2′ × 4′ Corsair Evaporator w/Flat Pan

From: $1,992.00

This evaporator is rated for 10 – 75 taps.
Estimated evaporation rate is 8 – 12+ gallons per hour.
It will take 10 gallons of sap to fill the pan 2″ deep.


Premium Stainless Steel Flat Pan

  • 22 gauge, mirror finish stainless steel
  • TIG welded (NEVER Soldered)
  • Limited lifetime guarantee against leaks
  • Full length handles
  • One 3/4″ stainless steel, draw-off valve
  • One 3″ dial syrup thermometer
  • Instruction guide for using a Flat Evaporator Pan
  • Right-side draw-off unless requested otherwise

Corsair Arch

  • Strong, reliable steel frame
  • Large air-tight loading door
  • Large combustion chamber
  • Both natural draft and forced draft options available
    • Natural Draft option includes a perforated knock out and mounting studs so you can easily upgrade at a later date if desired
    • Forced Draft option comes with a pre-mounted Forced Air Kit and Domed Cast Iron Grates

Base Stack and Stack Pipe

  • Galvanized Steel unless upgraded to Stainless Steel (longer life expectancy)
  • The total length of the Stack Pipe is always double the length of the arch. Maximum = 12 feet.

Rope Gasket

  • Gasket for underneath pan
  • Gasket for behind the pan


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    An Elite Maple Syrup Pan.

    Premium Flat Evaporator Pans by Smoky Lake are ideal for the small scale hobbyist. Each pan is crafted from 22 gauge, mirror finish stainless steel. They come with a stainless steel draw-off port and valve, full length built-in handles and a lifetime warranty on all TIG welds. Every pan is American made at our headquarters in Hilbert, Wisconsin.

    Corsair Arch

    This revolutionary evaporator design is fully convertible from conventional draft to forced draft in an instant. The airtight front gives you a critical advantage in efficiency and performance whether you’re running the forced air kit or if you choose to keep things simple with natural aspiration. 

    The large loading door nicely compliments the large combustion chamber. This air-tight door will help prevent cold air from being pulled along the bottom of pan, negatively effecting evaporation rate and efficiency. 

    The Corsair arch is fully steel framed. The entire perimeter is built as strong as possible, giving you confidence when filling the pans above it with your precious liquid and igniting an intense fire inside it. Additionally, the arch fits the geometry of whatever pan set you plan to use on it, forcing the pan to take full advantage of the heat created within. The nice, big firebox is 24″wide x 32″tall x 25.5″deep.

    Insulating the Arch

    You will need 20 thick bricks and 20 thin bricks (for the firebox) and 1 case of ceramic insulation blanket (for the rest of the arch and behind the bricks). See our Brick and Insulation Kit for more information.

    Please note: fire brick/ceramic blanket not included.

    Forced Draft Kit Option

    Forced Draft Kit includes domed gratesBENEFITS:

    • Much higher evaporation rate compared to natural draft.
    • Easier to burn larger/unseasoned wood. This means you won’t have to cut your firewood as fine and you can burn wood that is less perfect.
    • Increased agility. You will be able to shut down your evaporator much faster because it allows firewood to burn quicker and more completely.


    The forced draft option includes upgraded domed cast iron grates and an electric blower. If ordered at this time, the blower will come pre-mounted to the arch. Otherwise, if you order the arch as conventional draft, the back of the Corsair firebox will include a perforated knock out and mounting studs to accommodate a forced air kit in the future. If the time comes when you need more performance, just remove the knock out, mount the blower and replace the steel grates with the kit’s new perforated, domed cast iron grates.


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