LB 22.5" Long Blade Oven for Mid-Length Swords and Specialty Blades
If you’re heat treating longer blades, the Evenheat LB 22.5 Heat Treat Oven gives you the depth you need without demanding oversized shop space. Its 22.5″ deep chamber is built for chef knives, bushcraft blades, and mid-length swords, while still keeping cycles efficient and manageable.
Firing up to 2200°F (1205°C), the LB 22.5 is designed for carbon, stainless, and tool steels. Digital controls let you program ramps, soaks, and cool-downs with accuracy, ensuring consistent hardness across every blade. Whether you’re finishing a single piece or running small batches, this oven keeps results reliable and repeatable.
Evenheat designs the LB 22.5 with professional workflow in mind. Full firebrick insulation ensures stable heat, while the Swing View control panel makes adjustments easy. Quiet Drive solid-state relays deliver silent, precise switching, and the cool-touch handle with door shield keeps you safe during loading and unloading.
Key Features of the Evenheat LB 22.5 Knife Oven
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Built for Longer Blades: Purpose-built for knives, cleavers, shop tools, and extended blades up to 22.5″ deep.”
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22.5″ Deep Chamber (0.85 Cu Ft): Extra capacity for extended projects without overwhelming your workspace.
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Full Firebrick Construction: Excellent insulation ensures stable, even heating cycles.
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Fires to 2200°F (1205°C): High enough for stainless and carbon steels.
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Programmable Controls: Program precise ramps, soak times, and cool-downs for consistency.
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Quiet Drive Solid State Relay (Now Standard): Extends element life with silent, reliable switching.
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Swing View Panel: Tilts for easier access and better visibility.
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Built for Daily Use: Handles repeated cycles in busy shops with ease.
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Relay Access Port: Makes replacing relays quick without opening the control box.
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Cool-Touch Handle & Door Shield: Protects hands while reducing wear on the firebrick interior.
Additional Options for the LB 22.5 Knife Kiln
🗡 MK2 Blade Fixture
Measuring 7¼″ × 7¼″, this fixture provides ample foil inflation space while staying rock-solid and stable. It stays clear of your work and won’t tip over during use.
🔊 Loud Alarm Kit
Raises your control alarm to 80 dB, cutting through noisy shop environments so you never miss a quench. Installs quickly on TAP or Rampmaster panels.
🛢 Quench Tank
Constructed from heavy-duty welded steel with bolt-on feet, this tank measures 24″ deep × 26″ tall and holds 3 gallons. It features 6″ square steel tubing (0.120″ wall), a 5.75″ square opening, a ⅛″ steel lid, and strong welded handles for lasting reliability.
Who We Are
Modern Potters is women-owned and operated. We're all about hard work, continuous learning, and celebrating creativity in all forms. And like you, we LOVE bringing ideas to life.
We're Potters Ourselves! Starting with clay taught us that great work happens at high temperatures, so whether you're working with ceramics, glass art, metalworking, or industrial applications like DPF cleaning, we're here for you.
P.S. The cute pup's name is Kodah, he's the CPO (Chief-Pottery-Officer). He's the one who threw the bowl in the photo, if you can believe it. ✨
Evenheat LB 22.5 Heat Treat Oven Specifications
| Feature |
Specification |
| Model |
Evenheat LB 22.5 |
| Function |
Knife and tool heat treating – stainless, carbon, and specialty steels, designed for longer blades |
| Interior Dimensions (D × W × H) |
22.5″ x 10″ x 6.25″ |
| Chamber Volume |
0.85 cu ft / 57.2cm D x 25.4cm W x 16.5cm H / 24L |
| Maximum Temperature |
2200°F (1205°C) |
| Voltage |
240V standard (200V, 208V, 220V, 230V by request) |
| Amperage |
15A |
| Wattage |
3600W |
| Receptacle Required |
NEMA 6-20 |
| Breaker Required |
20A |
| Weight |
~ 105 lbs (freight) |
| Line Frequency |
50Hz or 60Hz |
| Outside Dimensions (D × W × H) |
30″ x 20″ x 19.5″ |
| Controller Options |
TAP II Smart, Icon, Icon+, Rampmaster 3 |
| Shipping |
Freight truck |
Evenheat LB 22.5 Manual
Evenheat LB 22.5 Manual
