Evenheat GTS 23

The Evenheat GTS 23 has been a foundational kiln in the glass community since the beginning of the fused glass movement. Known for its generous firing space, reliable performance, and powerful heat delivery, it remains a favorite among both personal and professional studios. With a 23.5" round chamber and a depth of 13.5", the GTS 23 offers the perfect balance for batch work, production runs, and large individual pieces alike—firing up to 1800°F with ease.

Fully firebrick-lined and designed for superior temperature distribution, the GTS 23 continues to prove why it's a longtime studio essential.

Specifications:

• Model: Evenheat GTS 23

• Chamber Size: 23.5" Diameter x 13.5" Deep

• Shelf Size: Fits 21" round shelf (not included)

• Max Temp: 1800°F

• Voltage: 240V

• Amperage: 30A

• Power: 7200 watts

• Plug Type: NEMA 6-50R

• External Dimensions: 28.5" L x 38.5" W x 26.5" H

• Shipping Weight: 140 lbs (freight shipping)

Included Features:

• FREE Shipping within the contiguous U.S.

• Icon+ / Genesis Touchscreen Controller (standard)

• Top-Loading Design with wide, ergonomic lid handle

• Full Firebrick Construction for optimal heat retention

• Swing View Adjustable Control Enclosure

• Full Stainless Steel Jacket for strength and durability

• Corner-Mounted Frame for Enhanced Stability

• Properly Sized Stand

• Top and Side Fire Elements for even heating

• Responsive Thermocouple for Accurate Readings

• Relay Access Port for easy servicing

• Solid State Relays – Now Standard!

• 2-Year Limited Manufacturer Warranty

Note: Manufacturer and extended warranties do not include in-home labor.

Why Artists Choose the GTS 23:

Reliable, Roomy, and Ready for Anything
The GTS 23 delivers the power and space needed for both volume work and individual pieces. Its 23.5" interior diameter offers flexibility for a wide range of project types—making it a true workhorse for any glass artist.

All-Firebrick Build for Smooth Firing
Firebrick stores and releases heat gradually, smoothing out temperature swings and providing a controlled cooling curve for perfect annealing. Artists especially love how this contributes to the clarity and stability of their finished pieces.

Ergonomic, Easy-to-Use Controls
Thanks to the Swing View Enclosure, you can position your touchscreen or digital controller at a comfortable angle while programming, then return it flat for visibility across the studio. Ideal for Icon+, TAP II, Icon, and Rampmaster III controls.

Easy Maintenance, Built-In
Accessing and replacing relays is fast and straightforward with the Relay Access Port—no panel removal or tangled wiring required. A simple screwdriver is all it takes.

Solid State Technology – Now Standard
Enjoy the benefits of Quiet Drive Solid State Relays, now standard on the GTS 23. These relays offer silent operation, more precise temperature holds, and greatly extended element life—eliminating the wear and clicking of traditional mechanical relays.

Controller Options:

Choose the interface that fits your workflow:

• TAP II – Advanced Wi-Fi-enabled touchscreen

• Icon / Icon+ – Sleek, user-friendly touchscreens

• Rampmaster III – Classic 12-key digital control

All controller options come with Special Limits thermocouples for increased precision and non-metallic faceplates to improve Wi-Fi signal strength for app-based remote programming.

**This kiln is custom built to order. Please allow 8+ weeks from your order date for delivery. (Delivery times can vary based on production demand)