Evenheat GTS 28 Glass Kiln
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Built for ambitious glass artists, the Evenheat GTS 28 offers a spacious chamber, precise digital controls, and consistent performance up to 1800°F. Ideal for advanced techniques like casting and slumping, it’s the right kiln for large-scale studio work.
Important Details:
- Chamber size: 28" W x 28" L x 13.5" H
- Volume: 5.8 cubic feet
- Maximum temperature: 1800°F
- Electrical: 240V / 40A with 6-50 plug
- See 'Key Features' tab for more details
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- Description
- Specifications
- Key Features
- Build Options
- Quiet Drive Solid State Relay
- Current lead times
- Why Buy From Us
- Customer Reviews
Evenheat GTS 28 Glass Kiln: The Perfect Large Studio Kiln for Glass Artists
The Evenheat GTS 28 Glass Kiln is the ultimate tool for ambitious glass artists seeking a spacious, high-performance kiln. Perfect for fusing, slumping, draping, painting, and kiln casting, the GTS 28 reaches temperatures up to 1800°F (982°C), making it ideal for those who work on larger-scale or complex glass projects with uncompromising precision.
Optimized Design for Larger Studio Needs
With a spacious 28" x 28" square chamber, the GTS 28 offers generous room for creative freedom while remaining easy to handle. Its top-loading design and easy-to-manage shelf make loading and unloading smooth, while the kiln's fiber lid and firebrick chamber combine to deliver both rapid heat and consistent annealing properties. The GTS 28 doesn’t just fit your studio needs—it enhances them.
Advanced Temperature Control for Perfect Results
Evenheat offers four premier digital controller options—Icon, RampMaster 3, Icon+, and TAP II—each crafted for user-friendly operation and precise control over your firing process. These advanced systems enable meticulous fine-tuning of each firing cycle, ensuring that every glass project achieves optimal results under the ideal conditions. For details on each controller, explore the "Build Options" tab.
Now standard with the Quiet Drive Solid State Relay
Enhance your kiln experience with Evenheat's Quiet Drive Solid State Relay, now a standard feature on this model. Designed for precise temperature control and longer kiln element life, this advanced technology guarantees consistent quality and accuracy with every firing. It’s a smart investment in the durability and performance of your craft.
Visit the Solid State Relay tab for more details.
Versatile for All Glass Techniques
Designed for a wide variety of glasswork, the GTS 28 handles everything from fusing and slumping to more advanced techniques like draping and casting. This kiln’s robust build and sophisticated control options make it a versatile and reliable partner for glass artists, whether you're creating intricate small pieces or tackling larger, complex projects.
Form Meets Function
The GTS 28 doesn’t just perform well—it looks great in any studio. Its modern design and sturdy construction reflect Evenheat's commitment to both function and style, giving you a kiln that enhances your creative space while supporting your artistic ambitions.
Unlock Your Studio’s Full Potential
With the Evenheat GTS 28 Glass Kiln, you’re investing in a kiln that’s ready to grow with you. Offering unmatched space, control, and firing capability, the GTS 28 brings precision and reliability to every project. Explore new creative horizons and elevate your glass artistry with this exceptional studio kiln.
Order your GTS 28 today and experience the best in glass kiln technology, tailored for larger projects and endless creativity.
Chamber Dimensions
28" Length x 28" Width x 13.5" Depth - 5.8 Cubic Feet
(71 cm L x 71 cm W x 34.3 cm D - 165 L)
Outer Dimensions
40" Long x 40" Wide x 37" High
(102 cm D x 102 cm W x 94 cm H)
Maximum Temperature
1800°F (982°C)
Electrical
240 Volts, 40 Amps, 9,600 Watts, 60Hz, Single Phase.
Power Cord Plug Configuration - NEMA 6-50
Consult with an electrician for proper fuse panel, service wire size, receptacle, and fusing requirements. It is possible that this model, when used as intended for its expected purpose, may be defined as "continuous use". Continuous use is defined as continuous, full power on for 3+ hours.
Model is available in 200V, 208V, 220V, and 230V. Contact Pottery Pulse to request pricing for and/or all other specifications for these power configurations.
Model will operate properly on both 50Hz and 60Hz.
Model isavailable in 3 phase Delta and Wye (380V, 400V and 415V) designs. Again, contact Pottery Pulse to request.
Shipping Weight
315lb. (143 kg) - Approx.
Shipping Method
Freight Truck
NRTL Listing Agency - TUV Listed United States and Canada - Designed and Tested to CSA & U/L 499
California Prop 65
Studio Pro models may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Yes, the GTS 28 is "all that and more". Read on...
Top Load
The GTS 28 features a top-loading design with a spacious 28" x 28" x 13.5" deep chamber. With a chamber rim positioned 32 inches off the floor, this kiln sits at a comfortable, waist-height level, making it easy to load and position your glass projects with ease.
Fiber Lid
The lid of the GTS 28 is built with fiber material, offering outstanding thermal efficiency while remaining lightweight. This design allows the heating elements to sit on the surface, ensuring maximum heat transfer and firing precision.
The fiber selected is an ultra-low-shot material, topped with a no-shot fiber sheet. Together, these materials create a lid that’s both light and exceptionally clean, drastically reducing the chance of debris falling onto your glass. A superb design choice.
Fiber and Firebrick Design
The GTS 28 kiln is crafted with a combination of lightweight fiber and durable firebrick for exceptional performance.
The kiln’s entire lid is constructed from fiber, significantly reducing its weight and minimizing any debris during firing. The walls and floor, made from firebrick, excel at storing heat during the early stages of firing, effectively smoothing out temperature fluctuations. As firing completes, the firebrick releases heat slowly, creating ideal conditions for a smooth and effective annealing process—truly a beautiful design.
Like the Studio Pro models, the GTS 28 masterfully blends these two high-quality materials to offer one of the most refined and efficient glass kiln designs available.
Swing View Equipped
The GTS 28 temperature controls are mounted in our innovative Swing View Adjustable Enclosure.
This pivoting, swing-up design allows you to easily adjust the control panel to a comfortable viewing and programming angle. When finished, simply lower it back down for clear visibility from anywhere in your studio—effortless and intuitive.
The Swing View enclosure is ideal for touchscreen controls like the TAP II, Icon+, and Icon, allowing you to set the perfect viewing angle for easy access and optimal alignment. You’ll appreciate the convenience.
2-Position Lid Vent
The GTS 28 comes with a convenient 2-position lid vent system.
In the lower position, the lid is propped open by about an inch—ideal for venting adhesives and other low-temperature binding materials.
The upper position props the lid by approximately 4 inches, making it perfect for accelerating the cooling process.
Relay Access Port
The GTS 28 features a Relay Access Port for straightforward, no-hassle relay replacement. A great feature even for a kiln with a standard Solid State Relay. Why?
Solid-state units are equipped with a mechanical relay that serves as a vital safety feature.
This smart and practical design addresses a key characteristic of solid-state systems: they are never completely on or off, which can result in a minimal, nearly imperceptible leakage current to the elements. The mechanical relay resolves this by physically breaking the circuit, fully eliminating any leakage. It operates only twice per firing cycle—once at the start to allow current flow and once at the end to shut it off completely. Built for durability, the safety relay is rarely needed for replacement, and the convenient Relay Access Port ensures easy servicing if required. That’s engineering excellence in action!
To make maintenance easy, the GTS 28 includes a convenient parts tag displaying the correct Evenheat part numbers for essential replacement items.
A simple, and brilliant idea.
Power Interrupt Switch
The GTS 28 comes standard with a power interrupt switch that automatically cuts off electrical power to all heating elements when the lid is opened.
This feature is essential for artists who may need to access the kiln mid-firing, such as for glass manipulation, ensuring a safer firing experience.
Controllers
The GTS 28 offers a range of control options, including the Icon, Icon+, TAP II, and Rampmaster 3.
Evenheat elevates top-tier control platforms by integrating Special Limits thermocouples for superior temperature accuracy and non-metallic faceplates to enhance Wi-Fi reception for online apps. Explore our Controls tab to discover how these advanced systems offer unmatched precision and ease of use, setting the industry standard for kiln control technology.
Icon
The Icon controller, built on Bartlett Industries' advanced Spark platform, is transforming kiln control with its state-of-the-art touchscreen technology, quickly becoming the top choice for the GTS 28.
In late 2023, the Icon was rigorously tested on the latest Spark platform version, thanks to a collaboration between Bartlett, Evenheat, and industry experts. The Icon received high praise for its intuitive programming and responsive touchscreen interface, and paired with the Quiet Drive Solid State relay, it delivered outstanding performance throughout testing.
Reflecting Evenheat's dedication to innovation, the Icon controller brings powerful enhancements to the Spark platform. With Special Limits thermocouples for precise temperature control and non-metallic faceplates to boost Wi-Fi reception for seamless use with the Bartlett online app, the Icon stands as a premier controller choice, delivering exceptional performance and industry-leading value.
RampMaster 3
The RampMaster 3, based on Bartlett Instruments' trusted V6-CF platform, is meticulously crafted for glasswork and excels in heat-treating applications. Ideal for those who appreciate a classic interface, the RampMaster 3 offers dedicated buttons and a clear display for easy, straightforward operation.
Showcased in Evenheat Glass Kilns, the RampMaster 3 exemplifies Evenheat's dedication to exceptional control systems.
Aligned with Evenheat’s standards for precision, the RampMaster 3 features a Special Limits thermocouple for precise temperature control. Paired with the Quiet Drive Solid State relay system, it delivers reliable, high-quality performance within a familiar, user-friendly design. Perfect for artisans who value traditional ease of use with the benefits of modern technology, the RampMaster 3 is a standout choice.
Icon+
The Icon+, powered by the advanced Bartlett Genesis platform, redefines kiln controller technology. With Special Limits thermocouples for unmatched precision and a non-metallic faceplate to boost Wi-Fi reception, the Icon+ is designed for seamless integration with the Bartlett online app, placing it at the cutting edge of modern kiln functionality.
Built for ease of use, the Icon+ features an intuitive interface that makes programming effortless. Paired with the Quiet Drive Solid State Relay system, it offers superior performance and dependability. A true industry game-changer, the Icon+ combines Bartlett's engineering excellence with Evenheat's commitment to innovation, setting a new benchmark in kiln control technology.
TAP II
The TAP II, a standout in Evenheat's controller lineup, features a large display and user-friendly interface for effortless operation. It streamlines the setup and management of firing schedules, providing a seamless blend of convenience and precision. Like the Icon+, the TAP II includes Special Limits thermocouples for enhanced accuracy and non-metallic faceplates, ensuring improved Wi-Fi reception and a stable connection with the SDS online app.
Choosing the TAP II means opting for a control experience that combines efficiency with simplicity. Its smooth integration with the online app and precise temperature control make it an ideal choice for artists and craftsmen who value both functionality and ease in their kiln operations.
Rolling Stand
Enhanced Mobility for Your Studio: Rolling Option for the GTS 28
Discover a new level of studio flexibility with the GTS 28’s rolling option. Engineered for effortless mobility, the kiln’s base is designed to accommodate Evenheat casters directly—no extra frames or hardware required. Easily installed during setup, these casters allow you to reposition your kiln smoothly and efficiently, embodying Evenheat’s commitment to practical, user-friendly design.
Say Goodbye to Mechanical Relay Hassles with Evenheat’s Quiet Drive Solid State Relay System
Tired of the frequent maintenance and breakdowns associated with mechanical relays? Evenheat’s Quiet Drive Solid State Relay System represents the pinnacle of kiln technology, offering a maintenance-free, reliable solution for consistent, precision heating every time.
Solid-State Relays: The Future of Kiln Performance
Solid-state relays (SSRs) are a major leap forward, replacing the moving parts of traditional mechanical relays with durable semiconductors. This innovative approach eliminates mechanical wear, ensuring superior reliability and enhancing temperature control.
Advantage 1: Superior Durability
SSRs offer an exceptionally long lifespan, free from the typical wear and electrical arcing seen with mechanical relays. Unlike traditional relays, which emit noticeable clicks as they age, Evenheat’s SSRs operate silently and provide smooth, dependable performance for the entire life of your kiln.
Advantage 2: Unmatched Temperature Precision
While mechanical relays cycle every 10 to 14 seconds, SSRs can cycle up to 120 times per second, allowing for rapid, precise adjustments. This technology, integrated across Evenheat’s control systems, including the advanced Icon controller, delivers accurate, reliable firing for optimal results.
Advantage 3: Extended Heating Element Life
SSRs utilize Zero Crossing technology, activating at the zero-voltage point of the AC power cycle, which helps to preserve heating elements by reducing voltage stress. This technology, unavailable in mechanical relays, extends the life of your kiln’s heating elements, making the system a valuable, long-term investment.
Thoughtfully Designed for Lasting Performance
30 Amp Capacity for Enhanced Durability
Evenheat uses 30-amp SSRs but operates them at a conservative 15-amp load. This safety margin ensures cool, efficient operation, promoting an extended lifespan—a testament to Evenheat’s commitment to quality engineering.
Externally Mounted Heatsinks for Optimal Cooling
Effective cooling is essential for maintaining SSR performance. Evenheat’s SSR heatsinks are mounted externally, ensuring optimal airflow to prevent heat buildup inside the control box. Additional standoffs create an air gap for further cooling. This well-engineered design keeps SSRs performing at peak efficiency, with a proven six-year record of zero failures.
Estimated order to ship lead time is 6 weeks.
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