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Olympic Kilns Square 149GFE Glass Firing Kiln

SKU 149GFE
Save $439.00
Original Price $1,825.00
Current Price $1,386.00
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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Made to Order: Kilns are built after ordering to your exact specifications. Current estimate is 8–12 weeks.
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Olympic Kilns · Glass Kiln · Front-Loading Olympic Square 149GFE Glass Fusing Kiln Square 149GFE · 240V or 208V · 14.5″ W × 14.5″ D × 9″ H · 1.09 cubic feet · 1700°F max The Square 149GFE is a front-loading glass kiln designed specifically for fusing, slumping, and annealing projects up to 14.5″ square. With a 9″ chamber height and 1700°F maximum temperature, this kiln provides precise heat control for detailed glass work while the front-loading design allows easy shelf access and project monitoring. The KilnStar controller includes glass-specific firing programs and cone-fire modes for consistent results.
Max Temperature1700°F
Chamber Size14.5″ × 14.5″ × 9″
Voltage240V or 208V
Loading StyleFront-loading door
Optional accessories
Glass Kiln Furniture Kit Includes kiln-washed ceramic shelves, shelf posts in various heights, and fiber paper specifically sized for glass fusing applications in the Square 149GFE.
Solid State Relay (SSR) Upgrade Replaces mechanical contactors with silent solid-state switching for quieter operation, extended element life, and more precise temperature control during critical annealing phases.
Orton Kiln Vent System Downdraft ventilation system removes fumes from glass binders, coatings, and inclusions while maintaining temperature uniformity and creating a safer studio environment.
Type K Thermocouple Replacement Precision-grade spare thermocouple for accurate temperature measurement. Recommended to keep on hand for minimal downtime during critical production schedules.
Power Interrupt Module Automatically shuts down the kiln if power is interrupted and restored, preventing uncontrolled reheating that could damage glass projects or create safety hazards.
Emergency Parts Kit Includes critical spare parts like relays, thermocouple, fuses, and element connectors to minimize downtime and keep your kiln operational during urgent production needs.
Digital Pyrometer Independent temperature monitoring device for verification of controller accuracy and peace of mind during extended annealing cycles and valuable glass projects.
Kiln Sitter Cone Kit for Glass Assortment of low-temperature pyrometric cones suitable for glass work, providing visual temperature verification and backup safety for fusing and slumping firings.
Controller upgrade
Genesis Touchscreen — Bartlett InstrumentsRecommended
The Genesis controller brings modern touchscreen convenience to glass firing with expanded programming capacity, real-time firing graphs, and advanced features specifically beneficial for complex fusing and annealing schedules. The large color display shows heating rate, target temperature, and current progress at a glance.
  • 6-segment programming per step with up to 32 steps for complex glass schedules including controlled cooling and precise annealing
  • Full-color touchscreen with intuitive interface displays firing curves in real-time for immediate feedback on heating and cooling rates
  • Store up to 100 custom programs for different glass types, project sizes, and firing techniques including fusing, slumping, and annealing
  • Delay start and time-of-day firing let you schedule firings to complete overnight or during off-peak electricity hours
  • Alarm notifications and program completion alerts with detailed diagnostic information for troubleshooting and safety monitoring
  • USB port allows firmware updates and program backup/transfer between kilns for consistent results across multiple studios
Common questions
What types of glass projects can I fire in the Square 149GFE?
This kiln is designed for fusing, slumping, annealing, and casting projects up to 14″ square. The 1700°F maximum temperature handles all standard fusible glass including Bullseye, Spectrum, and Uroboros, as well as borosilicate annealing. The 9″ chamber height accommodates multiple shelf levels for small jewelry pieces or single-layer work for larger plates, bowls, and art panels. The front-loading design makes it particularly convenient for slumping operations where you need to check mold alignment.
Do I need an electrician to install this kiln?
Yes, professional installation by a licensed electrician is required. The Square 149GFE draws 15 amps at 240V and requires a dedicated 20-amp circuit with #12 copper wire (#10 for runs over 40 ft). Your electrician will need to install the appropriate breaker and a NEMA 6-30 receptacle. The kiln can also operate on 208V single phase (17 amps on a 30-amp breaker). Always follow local electrical codes and obtain necessary permits.
Does the kiln come with shelves and posts for glass work?
The kiln does not include kiln furniture in the base price. You'll need to purchase an optional glass kiln furniture kit that includes properly sized ceramic shelves (14″ × 14″), shelf posts in various heights for stacking, and fiber paper. It's essential to use kiln wash or fiber paper between glass and shelves to prevent fusion. We recommend purchasing the furniture kit at the same time as your kiln so you're ready to fire immediately upon installation.
How does the front-loading design compare to top-loading for glass work?
Front-loading kilns like the Square 149GFE offer significant advantages for glass artists. You can easily view your work at eye level when loading, check shelf alignment for slumping molds, and access projects without reaching down into a hot chamber. The door design also allows you to crack it open slightly to check firing progress during critical stages. The trade-off is a slightly smaller chamber capacity compared to equivalent top-loaders, and the door hinge requires occasional maintenance to ensure proper sealing.
How is the warranty activated and what does it cover?
Olympic Kilns provides a one-year limited warranty that must be registered within 30 days of delivery to be valid. The warranty covers manufacturing defects in materials and workmanship but does not cover normal wear items like elements, thermocouples, and firebrick, which degrade naturally with use. The warranty is only valid when purchased through authorized dealers like Peach State Pottery. Keep your purchase receipt and register online at Olympic's website immediately after delivery. Damage from improper installation, incorrect voltage, or misuse is not covered.
Not sure if the Square 149GFE is the right kiln for your glass studio? Our team can help you compare chamber sizes, discuss electrical requirements, and recommend the best glass kiln configuration for your production needs and available space.
Talk to an expert →
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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 Olympic Kilns manufacturer warranty. Coverage length, what is included and any registration deadline are listed in the Specifications tab on this page. We are an authorized Olympic Kilns 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: Serious hobbyists, home studio potters, and small production studios who need a reliable, high-fire American-made kiln with full manufacturer support and room to grow.
🔨 Lead time
8–12 weeks
Made to order — built to your exact voltage and controller selections after ordering.
✓ Warranty
Manufacturer warranty
Full coverage included. We are here if anything goes wrong after your order.
Why buy from Peach State Pottery?
★ Authorized Olympic Kilns 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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Production batches fill quickly
Placing your order now secures your spot in the current production batch and locks in today's pricing. Lead times can extend during busy periods.