Jen-Ken AFG 28-E 3″ Glass Kiln
The Jen-Ken AFG 28-E 3″ is a large-capacity glass kiln built for serious fusing and slumping artists. It features a spacious 26″ solid round shelf — accommodating even large 18″ × 18″ square projects or bowls up to 26″ in diameter — while remaining remarkably affordable for its size. With 3″ firebrick walls and lid, it offers 20% more insulation than traditional brick kilns, providing outstanding heat retention and greater energy efficiency. A built-in lid lifter system makes opening and closing smooth and effortless, even during extended studio sessions.
Controller Options
This model comes standard with the Orton AutoFire 4000 12-Key Controller, which delivers precise digital control and reliable performance. Two optional controller upgrades are available:
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Orton AutoFire Slide Touchscreen – a modern touch-interface controller that simplifies program setup and operation.
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TAP II Touchscreen Smart Controller – the most advanced option, offering Wi-Fi connectivity, mobile app access, and detailed data logging for total firing control.
Optional Add-Ons
You can enhance your setup with an SSR (Solid State Relay) for smoother temperature control and quieter operation. A Small Furniture Kit (includes one 26″ shelf and four ½″ posts) is also available for multi-level firing flexibility.
What’s Included
Designed and built in the USA, the AFG 28-E 3″ combines size, insulation efficiency, and user-friendly control — making it one of the most capable and economical round glass kilns in the Jen-Ken lineup.