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CALDERA

Bronze Clay    China Painting    Crystalline Glazes    Decals    Dolls    Fast Firings    Glass Casting    Glass Fusing    Glass Painting    Glass Slumping    Glaze Testing    Low-Fire Ceramics    Porcelain and Stoneware    Silver Clay   


Paragon Caldera

Make jewelry from the amazing silver, bronze, and copper clays that are shaped with simple tools and fired. Fire ceramics, porcelain, or stoneware jewelry. When you are ready to try something new, fire china, decals, enameling, and glass in Paragon’s digital Caldera kiln. Glass compatibility and glaze color tests are fast and easy. The Caldera fires rapidly to 2350°F/1287°C.

Steel stand, stackable design

The Caldera ships with a sturdy 2 3/4" high x 14" x 12 3/4" steel stand, complete with mar-proof rubber feet. With a separate top and bottom, the Caldera is stackable and portable. The kiln is easy to carry in sections to seminars. Take it with you on vacation retreats. For a digital kiln that can do this much, the Caldera is a bargain.

A true workhorse

“I love, love, love the Caldera. I not only fuse glass and work in metal clay, but I teach a lot of classes, so I'm firing the kiln all the time. It is a true workhorse. In three years I have not had one problem with it. I have done drop ring vases, small pot melts, small dishes, and candleholders in it. It is inexpensive to run on 120 volts.” --Lisel Crowley

Versatile, fun

Imagine the glass you could make with this kiln: Sag, slump, and fuse. Make small bowls, pendants, earrings, cufflinks, and even bracelets. Enjoy glittering dichroic glass. This kiln will give you a haven of creative enjoyment that you will especially appreciate when life gets hectic. You will soon find that glass fusing is addictive.

The joy of testing

You will never outgrow a small kiln. If you later buy a larger one, you can continue to use the small one for testing and small projects. Perfect a new design in the small kiln before running production quantities in the large kiln. A small test kiln is invaluable in solving ceramic glaze problems and perfecting difficult glazes such as crystallines.

The Caldera in the classroom

A Caldera is a nice addition to school programs. A test kiln is relatively inexpensive. Students can make gifts in the Caldera in time for a birthday or holiday instead of waiting until the school’s large kiln is fired. A test kiln creates enthusiasm for a clay program. Students can test glazes while they feel the momentum instead of waiting to fire them in the large kiln.

New teachers inherit bags of unlabeled clay in their classrooms. Many kiln loads of ware have been ruined because they were fired to the wrong temperature. With a Caldera kiln, you can easily test unlabeled clay.

Strong lap joints

To strengthen the firing chamber, the firebrick corners are fitted together with L-shaped notches. This type of joint lasts longer than the butted joint and the "picture frame" mitered joint found on competitive brands. The base is versatile and can be flipped if one side is damaged. The lid and base are interchangeable unless you order the lid with a glass window.

Reliable construction

This kiln is built to last. Elements are coiled from the finest high-temperature wire available. They use heat-dissipating element connectors refined and proven over many years in Paragon kilns.

  • 2 ½” insulating refractory firebricks
  • Dropped, recessed brick grooves protect the element for long life.
  • Vented switch box, heavy duty wiring for years of reliable service.
  • Heavy-duty steel stand with mar-proof feet

The optional glass window

You can order your Caldera with an optional glass window in the top. The glass window is rated to 2300°F (1260°C), so it can easily withstand glass fusing temperatures. Please note, however, that the window reduces the kiln’s maximum temperature to approximately 2100°F (1148°C) and is meant for glass fusing. (You can still fire porcelain and stoneware jewelry even with the window, but you will need to plug the window with ceramic fiber.)

Expansion collars

The basic Caldera is part of a kiln expansion system. Add a collar for annealing glass beads or enameling small copper pieces. Add 4 1/2” of height to the Caldera with a Caldera-BC collar, which has a 7 ½” x 2” door on the side for annealing glass beads. The Caldera-X is the same type of collar, but without the bead door. Explore copper enameling with the 6 3/4” tall Caldera-E collar.

Caldera-BC Bead Collar

Caldera-X Collar

Caldera-E Enameling Collar

Warning for the caldera kiln equipped with a lid safety switch and collar

The Caldera kiln was intended to be a stackable kiln with a separate lid and bottom. However, the lid must be hinged to the Caldera body when a lid safety switch is installed. To stabilize a Caldera kiln that has a hinged lid, we attach the kiln body and kiln bottom together with two latches.

If an unlatched collar (enameling, bead, or extension) is mounted between the Caldera body and the kiln bottom, care must be taken when opening the hinged lid. Do not open the lid past 90 degrees (where the lid is straight up) unless the lid leans against a heat-proof support behind the kiln.

Please be aware when firing the Caldera with any collar in place, the maximum temperature is reduced. Enameling Collar – 1800°F; Bead Collar – 2000°F; Extension Collar – 1700°F

Convenient UPS/FedEx

The Caldera can ship by UPS/FedEx for lower shipping cost and faster service. Specially designed cartons and foam padding assure that the kiln will arrive safely. Save the box and foam packing inserts so you can conveniently move the kiln while on vacation or to seminars. Unstack and load the kiln sections in minutes.

Thermocouple with “special limit” wire

The thermocouple senses temperature inside the kiln. It is the small rod that extends into the firing chamber. The ¼” wide Type-K, 14-gauge, exposed-tip thermocouple is made with special-limit wire for superior accuracy. The exposed tip gives the controller a fast response time for even temperatures during holds. The thermocouple is made in America to our exacting standards.

Designed for production

Paragon’s warranty is not affected by frequency of use. Fire your new kiln every day if you want, even in commercial settings. That will have no effect on the warranty period.

Optional colors at no extra charge

Brighten your studio with color! Order your kiln in one of our standard colors at no extra charge . . . berry, black, blue, hot pink, jade, navy, purple, or turquoise. Scroll down to see color samples in the options section.

 

Have something good to say about the CALDERA? Tell Us

"In my opinion the Caldera digital is the number one choice for multi-purpose firing arts. With the 120 Volt, 5-15R household wall receptacle, most artists will not need to have electrical work done. What is even more amazing is that this little powerhouse kiln that can run off 120 volts can do so much! We originally purchased it to fuse Dichroic glass jewelry but were quickly able to expand our product line to include Fine Silver, Copper, Bronze and other mixed metals, Annealing of Lamp worked Beads and Boro marbles, Raku and Ceramics, and Enameling with the help of this versatile kiln. (And we still have not tapped into all of its talents.) I prefer a brick kiln for firing the newer versions of high fire metal clays requiring temps over 1900*F. The Caldera has a great sized chamber for the stainless steel containers used to hold the carbon required for the base metal clays; plus the top loading chamber makes adding additional carbon into a hot steel container safer and easier than with a front loading kiln when performing two part base metal firings. Don't get me wrong, I love my SC-2 muffle kiln, but there are just some things at which I feel my Caldera is better. For the price you can't go wrong for this much durability and versatility. " - Julie Cannariato, ArtZcat Creations, Rowlett, TX


"I LOVE my Caldera. Originally purchased for Vitrigraph Murrine pulls (from my GAAC 2013 Project award), it is now also being used to Bisque fire clay for use in Obvara firings at my studio. My blog: nanopod.me" - Tosca Teran, Toronto, Canada


"I purchased a Paragon Caldera with a digital controller. I am a hobbyist making small jewelry pieces, beads, and buttons. My ceramic buttons and beads are handmade with stoneware clay fired to cone 6. I must tell you, I am SO pleased with my baby kiln. It does a beautiful job every time and is so easy to run. I love it and will recommend one to whoever asks! Thank you for putting out such a great product!" - Marti Conrad, Harrisville

Product Videos

  • Watch & Listen to P005 The Paragon Kiln Factory Firebrick Room (6 min 47 sec)
  • Watch & Listen to P014 Paragon Caldera All Purpose Kilns (4 min 12 sec)
  • Watch & Listen to D002 Sentry Xpress Cone-Fire Demonstration (3 min)
  • Watch & Listen to D001 Sentry Xpress Ramp-Hold Demonstration (7 min)
  • Watch & Listen to P001 The Paragon Kiln Factory Sheetmetal Department (3 min 40 sec)
  • Watch & Listen to P004 The Paragon Kiln Factory Square Kiln Assembly Line (4 min 30 sec)
  • Watch & Listen to P009 Paragon’s Sentry Xpress 3-Key Ceramics Controller (2 min 51 sec)
  • Watch & Listen to P008 The Paragon Kiln Factory Inspection Station (1 min 50 sec)
  • Watch & Listen to Interactive Sentry Xpress 3-key Controller Demo
  • Watch & Listen to D007 (Spanish) Demonstracion de Quema de Conos en un Horno de Industrias Paragon con Control Sentry Xpress (3 min 16 sec)
  • Watch & Listen to D006 (Spanish) Demostracion Para Incrementar y Mantener La Temperatura Con un Control Sentry Xpress de Industrias Paragon (7 min 9 sec)
  • Watch & Listen to D003 Sentry Xpress 3-Key Controller Advanced Features (5 min 17 sec)



  • Specifications

    Max. Temperature

    2350F
    1287C

    Amps

    14

    Phase

    1

    Watts

    1680

    Nema

    5-15R

    Breaker Size

    15

    Circuit Copper Wire Size

    14 gauge

    TUV tested to CSA and UL Standard 499

    Y

    CE

    N

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

    Control Type


    Sentry Xpress 4.0 Digital 3-key Cer

    Voltage

    120

    Hertz

    60

    Nema Details







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

    The pricing and electrical specifications for the above products reflect their design for use in the United States. The International versions of most models will have variations in electrical specifications and price due to consumer safety requirements or electrical regulations.

    Kiln Type

    Top Loading Square

    Sides

    4

    Understanding Chamber Measurements

    Chamber Volume

    0.25 CU.FT.
    7.08 litres

    Chamber Length

    8.00 IN
    203 mm

    Chamber Width

    8.00 IN
    203 mm

    Chamber Depth

    6.75 IN
    171 mm


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

    Outer Size

    13.00W x 19.50D x 13.75H Inches
    330W x 495D x 349H mm

    The external kiln height includes a 2.5" tall stand.

    Ship Size

    25.00W x 18.00D x 16.00H Inches
    635W x 457D x 406H mm

    Ship Weight

    50.00 Lbs.
    22.68 Kg.

    Ship Method & Notations

    This Kiln Ships Via UPS/FedEx





    Part Number

    S0743-1   * Base Model

    Price

    $933.86

    Quantity

      

    This price is subject to change without notice.


    Find A Local Paragon Seller

    Purchase your Paragon Kiln through one of our authorized resellers / distributors and get local service.

    Find A Local Seller Now!







    Options


    Click on the part numbers below to see full descriptions.

    Part Number

    Description

    Quantity

    Price

    Berry Paint

    At no extra charge, you can order your Paragon kiln in rich berry instead of the standard blue or black. Add a splash of color to your shop! (The exact shade of paint may not match the color shown on your computer monitor. The berry kiln shown here a

    $0.00

    Black Paint

    At no extra charge, you can order your Paragon kiln in striking black instead of the standard blue.

    $0.00

    FSCaldera and FireFly Furniture Kit

    Recommended furniture kit for the Caldera, E-9, E-10, FireFly, and equivalent sized kilns. Included:

    1 C-7 (7" square x 5/8") Shelf

    4 - 1/2" long, 1" wide Square Posts

    $31.83

    Hot Pink Paint

    At no extra charge, you can order your Paragon kiln in bright hot pink instead of the standard blue or black. Add a splash of color to your shop! (The exact shade of paint may not match the color shown on your computer monitor. The hot pink kiln show

    $0.00

    Jade Paint

    At no extra charge, you can order your Paragon kiln in jade instead of the standard blue or black. Add a splash of color to your shop! (The exact shade of paint may not match the color shown on your computer monitor. The jade kiln shown here also may

    $0.00

    Navy Paint

    At no extra charge, you can order your Paragon kiln in navy instead of the standard blue or black. Add a splash of color to your shop! (The exact shade of paint may not match the color shown on your computer monitor. The navy kiln shown here also ma

    $0.00

    Purple Paint

    At no extra charge, you can order your Paragon kiln in luxuriant purple instead of the standard blue or black. Add a splash of color to your shop! (The exact shade of paint may not match the color shown on your computer monitor. The purple kiln shown

    $0.00

    Turquoise Paint

    At no extra charge, you can order your Paragon kiln in turquoise instead of the standard blue or black. Add a splash of color to your shop! (The exact shade of paint may not match the color shown on your computer monitor. The turquoise kiln shown her

    $0.00




    Accessories

  • View Accessories For CALDERA



  • Usages

  • Ceramic Kilns
  • Glass Kilns
  • Pottery Kilns

  • Additional Information

  • Options
  • Replacement Parts
  • Accessories
  • Wiring Diagrams

    Caldera

  • Manuals
          Sentry Xpress 5.0 3-Key Single-Speed / Ramp-Hold Instructions, March 2019 Edition
          Caldera & FireFly Instruction & Service Manual



  • Other Phases and Voltages

    Part Number

    Phase

    Voltage

    Price

    S0743-5

    1

    100

    $937.10

    S0743-6

    1

    240

    $941.40

    Legend: * = Base Model


    CALDERA Kiln   Model/SKU: S0743-1




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