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Olympic Kilns HB89E Hot Box 89 E Electric Kiln

Controller (3key Standard)

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Model – HB89E 120 volt


The HB89E comes with a hinged lid and is equipped with a pilot light, metal stand, stainless steel jacket, and Bartlett 3K-CF electronic controller.  Controller data is entered by scrolling through the up and down arrows for the desired cone fire or temperature for ramp-hold programming. Included in the model shipment – peephole plug and an instruction manual.  One-year Limited Kiln Warranty.

Options include upgrading to the Genesis touchscreen controller or the 12 key digital Bartlett V6-CF or RTC-1000 controller for more ramp-hold user programs and multiple features including delay start, preheat, cone offset, skip step, and many more for precise firings every time.  Messages and Information are available for reviewing a firing profile before or during the firing, viewing the current segment the firing is in, and cone table for easy lookup of temperature and cone number equivalents.  Other options available are adding a blank or bead collar and/or a fiber bottom for vitrigraph.

Furniture Kits for 120-volt electric kiln models provide 2-3 layers of shelving for stacking ware, assorted small square posts, ceramic paper, and a one-pound bag of kiln wash.  Choose the standard furniture kit or build your own with shelves and posts in the quantities required.

Specific Kiln Information




Equipped with Lid Lift Assist


120 Volts

Inside Chamber Dimensions w x d x h (inches)

8 x 8 x 9

15 Amps

Cubic Feet


1800 Watts

Outside Dimensions with Stand or Frame w x d x h (inches)

17.5 x 17 x 22

20 Amp Breaker

Brick Thickness


Plug Configuration: NEMA 5-15

Maximum Temperature

Cone 10 – 2350°F/1288°C

Copper Wire Size:  #12, #10 if the circuit is longer than 40′

Est Ship Wt

65 lbs

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