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by Jen-Ken

Jen-Ken Ceram-a-Glass 2422 3" Kiln

SKU JENKEN-CAG-2422-3
Save $946.20 Free gift · $33.90 value
Original Price $4,731.00
Current Price $3,784.80

FREE with this kiln: Studio Starter Pack ($33.90 value) Ships with your kiln. Added to your cart automatically.

  • 12 Jen-Ken 1.5 x 1.5 in. kiln posts: 3 each of 1/2, 1, 2 and 4 in. tall
Offer ends Nov 30 One free pack per qualifying kiln.
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Not sure this is the right fit? Power, size, firing needs: talk it through with a real person before you order. Call or text (470) 264-3563

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Flat-Rate Freight Delivery
✓ No sales tax outside GA ✓ Quoted at checkout ✓ Authorized Jen-Ken dealer
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Made to order: Jen-Ken builds each kiln in Lakeland, Florida after you order, and says shipping can take several weeks to several months. Call or text us for the current lead time before you buy.
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2-year limited warranty on brick kilns, 1-year on fiber kilns — direct from Jen-Ken.
Jen-Ken · Ceram-a-Glass · Dual-Media Kiln Jen-Ken Ceram-a-Glass 2422 3" Kiln Model CAG 2422 3" · 240V · 24" x 22" chamber · 1,700°F glass / 2,300°F ceramic The 3-inch-brick build of the 2422, and the one to buy if the kiln is going to earn its keep. Same dual-media design — lid coils that fire down for glass to 1,700°F, side coils that fire in for ceramics to 2,300°F, and a toggle switch between them — but with thicker walls that hold heat through a long glass anneal and cost less to get back up to temperature. The 24" x 22" chamber takes a 21" full round shelf, and lid lifters make a heavy 3-inch lid manageable.
FiresGlass + ceramics
Max Temp1,700°F / 2,300°F
Chamber24" x 22"
Power240V · 42A
Key features
Glass / ceramic switchTwo element circuits and a toggle that chooses between them — lid coils for glass, side coils for ceramics. This is the whole point of the Ceram-a-Glass line.
Orton AF3C 3-button controllerJen-Ken fits the Orton AutoFire AF3C as standard — programmable ramp-and-hold firing with 25 blank user programs, rather than a manual kiln sitter.
Kiln standJen-Ken lists the stand with this model. It lifts the kiln off the floor for airflow and brings the chamber to a workable loading height.
Kiln washShelf primer, included by Jen-Ken with this model. Glass in particular will weld itself to an unprimed shelf.
2-year limited warrantyJen-Ken's brick-kiln warranty, direct from the factory to the original purchaser.
3-inch firebrick wallsRoughly 20% more insulation than the standard build, by Jen-Ken's own rating — slower cooling for glass annealing and less power wasted holding temperature.
Optional accessories
Kiln shelves, posts and a furniture kitGlass wants a flat, primed shelf; ceramics want posts and stacking space. Jen-Ken's own shelves and posts are sized to this chamber and we stock them alongside the kiln.
Controller upgradeJen-Ken offers the AutoFire Slide and the TAP II touchscreen in place of the standard controller. It is a factory option, not a checkout add-on — call us and we will quote it.
Kiln wash and shelf primerBeyond the starter kiln wash Jen-Ken includes, most glass workers go through primer steadily. Worth adding to a first order.
Fusing and slumping mouldsSlumping moulds and fibre paper are the other half of a glass setup. Tell us the shelf size you are working to and we will point you at what fits.
Common questions
What does the glass / ceramic switch actually do?A toggle on the control panel selects which set of elements does the work. Up is glass mode: the lid coils fire from above and wash the shelf in even heat, which is what fused and slumped glass needs, with the middle-side coils helping the chamber come up to temperature. Down is ceramic mode: the side coils take over for the side firing that clay and glaze want. It is one kiln with two element circuits, not a compromise between them.
What electrical circuit does it need?Size it to the ceramic draw, not the glass draw. This kiln pulls 36A when the lid coils are firing glass and 42A when the side coils are firing ceramics, and the circuit has to carry the larger of the two: 240V single phase, NEMA 6-50R receptacle, 50A breaker, #6 copper. That is what Jen-Ken's standard 2422 page specifies and what the wiring table in their owner's manual specifies, and it is what we publish on both the standard and the 3" build.
Why do your breaker and wire figures differ from Jen-Ken's page for this model?Because Jen-Ken's 3" page gets it wrong, and we are not going to repeat it. That page lists only the 36-amp glass figure and then sizes the circuit to it — a 40A breaker and #8 wire — while still calling for a NEMA 6-50R, which is a 50-amp device. Two things are wrong with that. A 6-50R does not belong on a 40-amp circuit, and sizing a dual-media kiln's circuit to its lighter duty cycle leaves you under-protected the first time you fire ceramics at 42 amps. Jen-Ken's own current price list gives the standard and the 3" build identical electrical specs, and their owner's manual gives this model #6 wire and a 50A fuse. So we publish 50A and #6 on both, and we do not publish the 40A or the #8 at all.
What cone will it reach?Cone 8. Jen-Ken’s website rates this kiln cone 8 but prints 2,150°F beside it, and those two do not agree — cone 8 matures around 2,280°F. Jen-Ken’s September 2025 dealer price list settles it: the 3-inch-brick Ceram-a-Glass models are rated to 2,300°F in ceramic mode, not 2,150°F. At 2,300°F the cone 8 rating holds, and the figure on their web page is the one that is wrong. That puts mid-range stoneware and cone 6 glaze comfortably in range. It is still not a cone 10 kiln.
Is the 3-inch brick worth the difference?If you anneal thick glass or fire more than about once a week, yes — thicker walls hold a soak more steadily and cost less in power. If you fire occasionally, the standard 2422 has the same chamber and the same shelf for less money.
What actually comes in the crate?Jen-Ken's What's Included list for this model covers the controller, a kiln stand, kiln wash and the two-year warranty. Their description of the model also refers to lid lifters, but they are not on that list, so we are not claiming them as included — call or email us and we will confirm before you order.
How long until it ships?Jen-Ken builds to order in Lakeland, Florida. Their own guidance is that kilns can take several weeks to months depending on the production queue. Call us and we will get you the current estimate before you commit.
Does buying from Peach State Pottery affect my warranty?No. We are an authorized Jen-Ken dealer, so the factory two-year warranty applies exactly as it would buying direct. Keep your proof of purchase.
Talk to us before you book the electrician. We are authorized Jen-Ken dealers based in Georgia. Jen-Ken's page for this kiln sizes the circuit to its glass draw and not its ceramic draw. We publish the corrected figures — call us and we will confirm them with the factory for your install.
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Common questions about this kiln

Still stuck? Call or text (470) 264-3563 and talk it through with a real person.

Is freight delivery included in the price?

No. Kiln prices do not include freight, and we do not quietly build it into the product price. Freight is charged at a flat rate based on your delivery address and is shown at checkout. Liftgate service is included when it is needed, and standard delivery is curbside. You can estimate your delivered cost with the ZIP code tool above the Add to Cart button.

Can I return this kiln if it is not right?

Return requests can be submitted within 30 days of delivery. The kiln needs to be in its original packaging, in new and resellable condition, and approved before it is sent back. A restocking fee may apply. Completing the manufacturer's recommended first test firing does not by itself make a kiln non-returnable, so you can confirm it works before you commit. Full terms are on our Returns page.

What electrical supply do I need for this kiln?

The Specifications tab on this page lists this model's voltage, amperage, required breaker size and NEMA plug configuration. Most 240V kilns need their own dedicated circuit fitted by a licensed electrician, while many 120V models run from a standard household outlet. If you are unsure what your space can support, call or text (470) 264-3563 before ordering.

Does this kiln come with a warranty?

Yes. This kiln carries the Jen-Ken manufacturer warranty. Coverage length, what is included and any registration deadline are listed in the Specifications tab on this page. We are an authorized Jen-Ken dealer, which is a condition of warranty coverage on most kiln brands.

What comes with the kiln, and what do I need to buy separately?

The What's Included tab on this page lists exactly what ships with this kiln. Most kilns need shelves, posts and kiln wash before your first firing, and these are not always included. A vent is recommended for indoor installations. Any add-ons available for this model are shown above the Add to Cart button.

About this kiln
Best for: Potters, glass artists and bladesmiths who want an American-built kiln from a small Florida factory that has been building kilns since 1951 and still answers its own phone.
Jen-Ken has been owned and run by the same two brothers in Lakeland, Florida since 1991, and builds more than 60 kiln models for clay, glass and bladesmithing. The people who build the kilns fire them too.
🔨 Lead time
Made to order
Built in Lakeland, Florida after you order. Jen-Ken states that shipping may take several weeks to several months, so call us for today's estimate before you plan around it.
✓ Warranty
2 years brick · 1 year fiber
From Jen-Ken to the original purchaser, limited to repair or replacement of defective items. Elements and thermocouples carry their own 2-year coverage, though thermocouples are not warranted against breakage. Ask us which line your kiln falls under.
Why buy from Peach State Pottery?
★ Authorized Jen-Ken Dealer
★ No sales tax outside Georgia
★ Flat-rate shipping, quoted at checkout
★ Real support before & after order
★ Military discount for veterans
★ We are here if anything goes wrong
Call or text us:✆ (470) 264-3563
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Order now to hold today's price
Jen-Ken builds to order, so your place in the production schedule is set when you order. Talk to us about voltage, controller and furniture kit choices before you buy — they are all decided at order time.