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by Cress

Cress GLS2618E Clamshell Glass Kiln

SKU CRESS-GLS2618E
Save $226.20
Original Price $4,524.00
Current Price $4,297.80
Talk to an Expert Secure Checkout 30-Day Returns No Sales Tax Outside GA

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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 Cress dealer
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Built to order: Cress builds each kiln in Carson City, Nevada after you order. Call or text us for the current lead time before you buy.
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3-year limited warranty from Cress — longer than most kiln brands carry.
Cress · Clamshell Glass Kiln · GLS Clamshell Series Cress GLS2618E Clamshell Glass Kiln Model CRESS-GLS2618E · 240V · 26" x 17.5" x 9" deep · 1800°F The Cress GLS2618E is a large clamshell glass kiln with a 26" x 17.5" chamber, 9" deep (2.3 cu ft), rated to 1800°F. Solid-state relays handle long, repeatable firings, the lid elements are sheathed in quartz tubes, and the kiln rides on a heavy-duty rolling stand with locking wheels and a bottom shelf. Sized for platters, panels and production fusing.
Max Temp1800°F
Chamber26" x 17.5" x 9"
Voltage240V
InsulationBrick + fiberboard
Key features
The kiln, factory-wired Built and wired at Cress's own shop in Carson City, Nevada, and shipped ready to connect.
Three-year Cress warranty Three years from the date of purchase to the original buyer. Cress handles warranty work through the dealer you bought from — so you call us, not a factory line.
Stand — ask us first Cress's glass catalogue describes a pre-assembled welded steel stand, but their price list also sells GK2 and GK3 stands as separate items. We will not promise one either way until the factory confirms it for your model. Ask and we will get it in writing before you order.
Not included The furniture kit is a separate item — Cress lists one per size. Kiln wash and venting are separate too. Cress does not publish a controller model or a supplied plug type for this line, so we do not state either.
Key features
Clamshell DesignThe upper section lifts on a hinge and locks open with a strong lid brace, giving full access to the shelf.
Elements in Quartz TubesLid-mounted elements sit inside quartz tubes for longer life and cleaner projects.
Brick Floor, 4.5" Brick SidewallA firebrick floor and 4.5" tall firebrick sidewall with its own element for even heat distribution.
Fiberboard Upper Section2.5" high-temperature fiberboard in the upper section and top keeps the moving half light.
Rolling Stand with ShelfHeavy-duty metal stand with locking wheels and a bottom shelf.
Solid-State RelaysQuiet, long-lived relays for long firings with repeatable results. Cress full-keypad digital controller on a slanted panel, with room for 6 programs of 8 segments each.
Optional accessories
Kiln shelves and postsShelves and posts sized to this chamber. Call us and we will quote the right set.
Kiln washShelf primer or kiln wash keeps glass from sticking to shelves.
Kiln paper and fiberThinfire or fiber paper for clean release and texture work.
Replacement elementsElements are a wear item. Cress's warranty covers one replacement set in the first three years.
Factory options
Touchscreen Controller UpgradeAsk us
Some dealers offer Cress kilns with an upgraded touchscreen controller. Call us to confirm current availability on this model before ordering.
  • Full-color touchscreen
  • Custom programs
  • Ask for availability
  • Order at time of purchase
Common questions
What electrical circuit does it need?The GLS2618E runs on 240V and draws 26A. Connection: NEMA 6-30P. Cress lists the breaker (fuse) size as 30A. A kiln is a continuous load, so have a licensed electrician size the breaker and wire to your local code before delivery.
Why choose a clamshell over a top-loader for glass?The whole top lifts away, so you can see and reach the full shelf from the sides while placing delicate layups, and you aren't leaning over hot elements to unload.
Can I fire pottery in this kiln?It is designed for glass and is rated to 1800°F, which is below stoneware and mid-range glaze temperatures. For ceramics, look at Cress's E and ET kilns.
How long until it ships?Cress kilns are built to order in Carson City, Nevada and ship directly from the factory. Lead time varies with Cress's production schedule, so call us for the current estimate before you order.
Does buying from Peach State Pottery affect my warranty?No. We are an authorized Cress dealer. Cress warrants its kilns for three years from the date of purchase to the original purchaser; keep your proof of purchase.
Not sure if the CRESS-GLS2618E is right for you? We’re authorized Cress dealers based in Atlanta. Call, email, or chat — we’ll give you a straight answer about specs, sizing, wiring, and accessories before you spend a dollar.
Talk to an expert →

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 Cress manufacturer warranty. Coverage length, what is included and any registration deadline are listed in the Specifications tab on this page. We are an authorized Cress 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.

What’s in the box
✓ The kiln, fully assembled and factory-wired
✓ Cress digital controller, installed and wired
✓ Type-K thermocouple, installed
✓ Heavy-gauge elements seated in precision-cut grooves
✓ Welded steel base plate
✓ Owner’s manual and firing guide
✓ 3-year limited Cress warranty — parts, to the original purchaser
✓ Rolling steel stand with locking casters and a bottom shelf
Kiln shelves, posts and kiln wash are not included — add a Furniture Kit above if this model offers one, or call us and we will spec the right set for what you fire. Venting, sectional construction and controller upgrades are ordered with the kiln, not added later. Ships by freight, curbside with a liftgate — use the shipping estimator above for a delivered price to your ZIP.
About this kiln
Best for: Potters and glass artists who want an American-built kiln with heavy firebrick, a long warranty, and a factory that has been making the same kilns in Carson City, Nevada since 1973.
🔨 Lead time
Built to order
Made in Carson City, Nevada and shipped from the factory. Lead time moves with Cress's production schedule — call us for today's estimate.
✓ Warranty
3-year limited
From Cress Manufacturing, to the original purchaser. Includes one replacement set of elements in the first three years.
Why buy from Peach State Pottery?
★ Authorized Cress 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
Cress builds to order, so your place in the production schedule is set when you order. Ask us about voltage, controller and furniture kit choices before you buy — they are all decided at order time.