Description
The Paragon GL-22AD is a heavy-duty, front-loading glass annealing furnace designed to meet the needs of production studios, glassblowers, and professionals working with large or delicate glass pieces. With a 1700°F (926°C) max temperature and a spacious 4.38 cubic foot interior, the GL-22AD offers both performance and efficiency in a format that’s easy to load and monitor.
Equipped with a Sentry 12-Key Digital Controller, the furnace allows detailed ramp-hold programming with multiple segments—perfect for managing critical cooling curves and fusing cycles. Its front-hinged horizontal door allows full access to trays and supports precise placement of glass objects, while the 3″ firebrick insulation ensures even heat retention and distribution throughout.
Made in the USA by Paragon Industries, this furnace is ideal for studios requiring high-throughput, high-precision heat work.
Key Applications
- Glass annealing after torchwork or lampworking
- Glass fusing and slumping
- Casting molds and large glass forms
- High-volume studio production
- Controlled thermal cycling for glass durability
Key Features
- Max Temperature: 1700°F (926°C)
- Spacious chamber: 24″ W x 22.5″ D x 14″ H (4.38 cu ft)
- Front-loading design for ergonomic, easy access
- Sentry 12-Key Digital Controller with 8 programmable segments
- Heavy-duty Kanthal A-1 heating elements
- Reinforced firebrick-lined chamber with 3″ insulation
- Stainless steel exterior with durable powder coat
- Built-in safety switch disables power when door is opened
- 240V operation for industrial-grade heat delivery
- Made in the USA by Paragon Industries
Specification Table
| Specification | Details |
|---|---|
| Max Temperature | 1700°F (926°C) |
| Interior Dimensions | 24″ W x 22.5″ D x 14″ H |
| Chamber Volume | 4.38 cubic feet |
| Controller | Sentry 12-Key Digital with Ramp-Hold |
| Electrical Requirements | 240V / 29 Amps / 6960 Watts |
| Door Style | Front-Loading Hinged Door |
| Insulation | 3″ Firebrick |
| Construction | Welded Steel, Powder-Coated |
| Safety Feature | Door Interlock Switch |
| Weight | 250 lbs (approx.) |
| Warranty | 1-Year Manufacturer Warranty |
| Certifications | UL Components / CSA Compliant |





