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Knife Furnace Kiln KM-24D

Item: Knife Furnace Kiln KM-24D
Retail Price: $1665.00
Price: $1610.00
Instant Rebate:
Knife Makers Kit:
Gas Inlet Flow Meter:
TF62 Data Port:
Delivery Location:
Shipping Options:
Flat Rate delivery fee. See Restrictions


 This kiln ships via freight carrier
CLICK HERE for freight delivery information!

Flat Rate Shipping on locations within Continental USA, THIS INCLUDES LIFT GATE.

When your Paragon KM-24D furnace arrives, you will begin to live the knife making adventure more fully. Now you can join that elite corps of knife makers who witness the birth of the knife. In the bright red heat of the furnace, the soul of the knife is born. Many furnace owners revel in testing. They put blades through tests more severe than any knife owner would dare. They test for Rockwell hardness, but they don't stop there. They count the number of cuts a knife makes on hemp rope. They measure the foot-pounds of torque required to bend the blade to 45° or even 90°. Then they straighten the blade, slap on a handle and test it in the real world.

The door swings open with one-handed operation. A counter-weight handle holds the door securely closed. The door has a vent hole, so you can see inside the furnace during firing. Metal covers seal the vent holes when not in use. (Always wear Paragon firing safety glasses when looking into a hot furnace.) The furnace is insulated with refractory firebrick. The elements are mounted in dropped, recessed grooves machined into the firebrick. Paragon invented this type of groove in 1952. This groove protects the element for long life and low maintenance. Elements are simple to replace because they're exposed rather than embedded. You can thread new elements into place following clear instructions in the manual.

The firing chamber is protected by a steel case painted in high temperature blue. A built-in stand lifts the firing chamber safely off your worktable, so no extra stand is needed. The door is mounted with a heavy-duty hinge for smooth opening. A micro-switch shuts off the power to the elements when the door is opened. We use high temperature wire in the switch box for long life. A heat shield, mounted between the switch box and furnace, helps keep the switch box components cool even during extended operation. To further dissipate heat, the switch box is extra large and generously louvered. Each furnace comes with a cord and plug for immediate installation and a one year warranty.

Max. Temperature










Breaker Size


Circuit Wire Size

12 gauge

TUV tested to CSA and UL Standard 499




IMPORTANT: Some areas such as Canada and Europe require a lid or door safety switch on kilns.

Control Type

Sentry Digital 12-key Non-Ceramic





Disclaimer: The specifications above assume that the kiln will be plugged into a dedicated circuit. Local electric codes supersede our recommendations.

Kiln Type

Front Loading Square



Understanding Chamber Measurements

Chamber Volume

0.32 CU.FT.

Chamber Width

5.50 IN

Chamber Depth

24.00 IN

Chamber Height

4.25 IN

The Outer Size of the Kiln and the Shipping Size: Width = Left to Right; Depth = Front to Back; Height = Top to Bottom

Outer Size

23.00W x 30.50D x 14.50H In

Ship Size

28.80W x 38.50D x 23.00H In

Ship Weight

139.00 Lbs.

Ship Method & Notations

This Kiln Ships Via Truck

Sentry 12-Key 2.0 
  • Temperature Display throughout firing and cooling in your choice of °F or °C 
  • Stop/Back Key goes back one step with each key press during programming. Use this feature to correct programming errors
  • Add Time Key adds five minutes to a temperature hold with each key press during firing. Helpful for glass with holds. 
  • Program Review lets you check that the program you are about to fire is correct. 
  • Audible Temperature Alarm to remind yourself to close a vented lid or to check the kiln near firing completion.
  • 30 Month Warranty
  • Thermocouple Selection The Sentry 2.0 can operate types K, S or R thermocouples. 
  • Error Messages report mechanical problems such as a disconnected thermocouple, bad voltage, temperature deviation. 
  • 14 Segment Display is easier to read than the previous 7 segment. 
  • Program Safety Lock for the program in active memory. Gives you peace of mind. 
  • Delay Fire Set the time that the firing is to start. The kiln will turn on at that time. 
  • LED Lights show when the relays are powered. 
  • Quick Release Molex Connectors permit fast removal of the controller. Replacing the Sentry 2.0 or Sentry Xpress takes only minutes. 

Optional Knife Making Kit Contains 1 pair hot gloves, 1 heat treating fork, 4 knife holders, and 8 firebrick supports.

Optional1/4" GAS INLET AND FLOW METER (MANUAL) During heat treating, scale forms on the surface of the steel. One way to eliminate most scaling is to wrap the steel in stainless steel foil. An easier way is to install the gas injection flow meter on your furnace. It is available as either an add-on kit, or you can order the furnace with the meter installed. The meter regulates the flow of an inert gas, such as argon, inside the furnace. The gas displaces the oxygen to prevent most scaling.

Optional TF62 Data Port

The RS232 is a computer port mounted to the kiln. You can monitor the kiln from a computer and store a record of each firing on your hard drive. Print graphs of firings.

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