Model comparison

Max Burton #6400 vs #6600 18XL: probe, pan size and stages

The Max Burton Digital Choice #6400 and Digital Induction Cooktop 18XL #6600 are both earlier one-zone, 120-volt household cookers with a listed 1,800-watt ceiling. The meaningful difference is not raw wattage. The #6400 is a compact touchpad model with separate Heat and Temp settings; the #6600 is a larger pan platform with a wireless food probe and staged cooking program. Aervoe’s manuals and product sheets document both controls, but neither archive establishes current stock.

Choose by measurement, not by “digital” branding

Both models provide a separate power mode and a cooktop-temperature setting, but they do not sense the same thing. The #6400 manual describes ten Heat levels and fifteen Temp targets across 100–450°F. Its Temp mode measures the cookware base, not the food. The 18XL manual describes ten power levels and 21 pan-temperature targets across the same broad range, with 10°F steps through 200°F and 25°F steps beginning at 225°F.

The #6600 adds a wireless probe for internal food temperature. Its manual restricts probe use to Temp Level or Program Cooking; it is not the same as the cooker’s pan-base setting and should not be read as wired. Program Cooking can move through up to three sequential time-and-temperature stages, useful for a routine that changes temperature without resetting every phase. Its ordinary Power and Temp timers top out at 180 minutes. Probe/program steps have longer windows only below 200°F; the manual gives 1–360 minutes there and 1–180 minutes above 225°F. That qualification matters more than the generic phrase “long timer.”

The larger 18XL fits a wider documented pan range

The #6400 body measures 14 × 11.5 × 2.5 inches and weighs 6.25 lb. The maker calls for a flat magnetic base at least 4.5 inches wide, but the exact #6400 sources do not set a recommended maximum pan diameter. A shopper with a maximum-pan requirement should not treat the 10.75 × 11-inch glass dimensions as a stated cookware limit.

The #6600 is heavier at 8 lb and measures 16.25 × 13.25 × 3.5 inches, but its 9-inch induction coil and data sheet give a 4–14-inch cookware range. Its manual shows a 4.5-inch minimum base, so use that stricter lower threshold for a conservative fit. A 14-inch recommendation is documented; larger cookware, cookware with a nonmagnetic base, or a combined pot-and-food weight above 60 lb is not. Both appliances need four inches around airflow areas and a dedicated 120 V/15 A outlet. The #6400 manual gives a 50-lb cookware-and-contents limit; the #6600 manual allows 60 lb.

Which older model fits your routine?

• Pick the #6400 reference if you already have that exact model, want the smaller listed footprint and are content with one compatible pan, a separate 15-target Temp mode and a standard 180-minute shutoff. Its upper pan limit and included probe status are not established by the inspected exact-model documents.
• Look for the #6600 if you have a larger suitable pan within the 14-inch recommendation or need the included wireless probe and up to three timed temperature stages. Check that the probe is present on an older or used unit. The body is larger, and a dedicated circuit and clear counter space remain necessary.
• Compare the #6000 and #6200 separately if you want a simpler older unit with its own 13-inch cookware recommendation. Those controls and their manual/data-sheet conflicts should not be transferred to either #6400 or #6600.

All four are earlier references in the finder and appear only after opting into earlier models. That does not confirm a particular used cooker works, includes its accessories, or carries an active warranty. Verify the rating label, glass, cord and exact instructions before relying on a listing.

Read the exact assessments

See the Digital Choice #6400 assessment for its exact cookware minimum and unlisted maximum, or the 18XL #6600 assessment for wireless probe and temperature-stage limits. The manufacturer’s #6400 product sheet, #6400 instructions, #6600 product sheet, and #6600 instructions are the source documents for this comparison.