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Slightly left-angled, opened, unique square-with-the-corners-cut-off shaped AF JK-squared Ceram-A-Glass Kiln from Jen-Ken, ideal for ceramics and glass firings. It's sitting on a small metal stand showing the electrical box with the Orton AutoFire AF3C (AF4X) 3-Button controller.

Jen-Ken AF JK² Ceram-a-Glass Kiln

Save $990.00
$4,952.00
$3,962.00
Financing Information i

Financing through Approve is exclusively for business equipment loans and is available to all types of organizations, excluding personal loans. Minimum purchase price of $1,500.

A large dual-media kiln for serious glass and ceramic work. Fires up to 1700°F for glass and 2150°F for clay, with a dedicated mode switch, lid lifters, and pro digital controls. Spacious chamber fits large shelves and molds, with optional touchscreen, SSR, and furniture upgrades.

Important Details:

  • Chamber size: 27" W x 27" D x 22" H
  • Volume: 9.11 cubic feet
  • Max temp: 1700° (Glass), 2150° (Ceramic)
  • Electrical: 240V/45A, Plug 6-50
  • Required breaker: 60A
Controller selection
Relay selection
Furniture selection

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Jen-Ken AF JK² Ceram-a-Glass Kiln – Large Dual-Media Kiln for Serious Makers

The Jen-Ken AF JK² Ceram-a-Glass kiln brings serious versatility to artists who want one machine for both glass and ceramics. With a unique octagonal “square-with-corners-cut” chamber and a roomy 27" × 27" × 22" interior, it fits large platters, slump molds, casting projects, sculpture work, tiles, and multi-layer loads with ease—perfect for studios exploring multiple firing disciplines.

A dedicated glass/ceramic switch toggles between lid-dominant heat for glass and side-element firing for clay, glazes, and casting materials. Fire glass up to 1700°F for fusing, slumping, and annealing, or ceramics up to 2150°F for bisque, low-fire, mid-range holds, and specialty glass casting techniques. Lid lifters come standard for easy, ergonomic lifting and safe use.

The kiln includes the Orton AutoFire 4000 12-button controller for reliable, programmable firing control, with options to upgrade to touchscreen interfaces for advanced profiles and modern workflow features.

Controller Options
• Orton AutoFire 4000 12-Key Controller (standard)
• Orton AutoFire Slide Touchscreen Controller (upgrade)
• TAP II Touchscreen Smart Controller (upgrade; Wi-Fi capable)

Optional Enhancements
• Solid State Relays (SSRs) – Silent, precise power control and longer relay life; ideal for glass and long holds
• Furniture Kit – Shelves, posts, and wash for efficient multi-level loading and heat flow

Key Features
• Dual-media kiln for glass & ceramics
• Fires to 1700°F (glass), 2150°F (ceramics)
• Spacious 27" × 27" × 22" interior
• Unique octagonal footprint for efficient loading
• Glass/ceramic heating mode switch
• Lid lifters standard
• Optional SSRs & furniture kit
• Includes stand, kiln wash, and manual
• 2-year limited warranty

Designed for artists who need a single kiln that can fuse, slump, cast glass and also bisque and glaze fire clay, the JK² combines capacity, flexibility, and control for ambitious studio practices.

  • Model: AF JK² Ceram-A-Glass
  • Inside Chamber Dimensions: 27" W x 27" D x 22" H
  • Cubic Feet: 9.11
  • Overall Dimensions (Footprint/Height of Kiln Body): 36” x 40” x 27”
  • Maximum Temperature: 1700° (Glass), 2150° (Ceramic)
  • Elements: Side or Top/Side
  • Kiln weight: 375 pounds
  • Amperage/volts: 45 at 240 volts
  • Watts: 10,800
  • Breaker: 60 amps required
  • Plug configuration: NEMA 6-50
  • 3 layers of shelves: 6 half
  • 6 each: 1, 2, 4 and 6 inch posts
  • 1 pound of shelf primer

Estimated order-to-ship lead time is approximately 6 weeks.

We get it. You've got a lot of choices when it comes to online retailers. Here's why we think you should shop with us at Pottery Pulse.

If this specific product has already been reviewed, you will find it below all the product information tabs, and above the "You may also like..." section.

If it has not, you can still find all reviews left from Pottery Pulse customers at this Reviews page on our site. Please click that link and read what other customers are saying as you consider whether or not to provide your business to Pottery Pulse.

We are confident we sell outstanding products from outstanding manufacturers, and that we'll top the best customer experience you can find anywhere. We are devoted to our customers because we simply are out of business without them.

Simply put, you could say that makes you the center of our universe.

Description

Jen-Ken AF JK² Ceram-a-Glass Kiln – Large Dual-Media Kiln for Serious Makers

The Jen-Ken AF JK² Ceram-a-Glass kiln brings serious versatility to artists who want one machine for both glass and ceramics. With a unique octagonal “square-with-corners-cut” chamber and a roomy 27" × 27" × 22" interior, it fits large platters, slump molds, casting projects, sculpture work, tiles, and multi-layer loads with ease—perfect for studios exploring multiple firing disciplines.

A dedicated glass/ceramic switch toggles between lid-dominant heat for glass and side-element firing for clay, glazes, and casting materials. Fire glass up to 1700°F for fusing, slumping, and annealing, or ceramics up to 2150°F for bisque, low-fire, mid-range holds, and specialty glass casting techniques. Lid lifters come standard for easy, ergonomic lifting and safe use.

The kiln includes the Orton AutoFire 4000 12-button controller for reliable, programmable firing control, with options to upgrade to touchscreen interfaces for advanced profiles and modern workflow features.

Controller Options
• Orton AutoFire 4000 12-Key Controller (standard)
• Orton AutoFire Slide Touchscreen Controller (upgrade)
• TAP II Touchscreen Smart Controller (upgrade; Wi-Fi capable)

Optional Enhancements
• Solid State Relays (SSRs) – Silent, precise power control and longer relay life; ideal for glass and long holds
• Furniture Kit – Shelves, posts, and wash for efficient multi-level loading and heat flow

Key Features
• Dual-media kiln for glass & ceramics
• Fires to 1700°F (glass), 2150°F (ceramics)
• Spacious 27" × 27" × 22" interior
• Unique octagonal footprint for efficient loading
• Glass/ceramic heating mode switch
• Lid lifters standard
• Optional SSRs & furniture kit
• Includes stand, kiln wash, and manual
• 2-year limited warranty

Designed for artists who need a single kiln that can fuse, slump, cast glass and also bisque and glaze fire clay, the JK² combines capacity, flexibility, and control for ambitious studio practices.

Specifications
  • Model: AF JK² Ceram-A-Glass
  • Inside Chamber Dimensions: 27" W x 27" D x 22" H
  • Cubic Feet: 9.11
  • Overall Dimensions (Footprint/Height of Kiln Body): 36” x 40” x 27”
  • Maximum Temperature: 1700° (Glass), 2150° (Ceramic)
  • Elements: Side or Top/Side
  • Kiln weight: 375 pounds
  • Amperage/volts: 45 at 240 volts
  • Watts: 10,800
  • Breaker: 60 amps required
  • Plug configuration: NEMA 6-50
The furniture kit option includes:
  • 3 layers of shelves: 6 half
  • 6 each: 1, 2, 4 and 6 inch posts
  • 1 pound of shelf primer
Current lead times

Estimated order-to-ship lead time is approximately 6 weeks.

Why Buy From Us

We get it. You've got a lot of choices when it comes to online retailers. Here's why we think you should shop with us at Pottery Pulse.

Customer Reviews

If this specific product has already been reviewed, you will find it below all the product information tabs, and above the "You may also like..." section.

If it has not, you can still find all reviews left from Pottery Pulse customers at this Reviews page on our site. Please click that link and read what other customers are saying as you consider whether or not to provide your business to Pottery Pulse.

We are confident we sell outstanding products from outstanding manufacturers, and that we'll top the best customer experience you can find anywhere. We are devoted to our customers because we simply are out of business without them.

Simply put, you could say that makes you the center of our universe.