Evenheat LB 27" Long Blade Oven for Swordsmiths and Full-Length Projects
When you’re working on long blades, the Evenheat LB 27 Heat Treat Oven provides the depth and precision you need. With a 27″ deep chamber and full firebrick construction, it delivers stable, even heat across the entire length of the blade, ensuring reliable hardening, tempering, and consistency in every cycle.
This model fires up to 2200°F (1205°C), ideal for carbon, stainless, and specialty steels. Its digital controls allow you to program precise ramps, soak times, and cool-downs, so your knives, swords, and shop tools achieve the exact hardness and durability you expect.
Built for both professionals and serious makers, the LB 27 includes smart design features such as a Swing View control panel, Quiet Drive solid-state relays, and a Cool-Touch handle with door shield. Whether you’re crafting chef’s knives, bushcraft tools, or sword-length projects, this kiln is built to perform reliably day after day.
Key Features of the Evenheat LB 27 Knife Oven
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Designed for Long Blades: Largest chamber in the LB lineup, purpose-built for sword-length projects and extended knives.
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27″ Deep Chamber (1.00 Cu Ft): Offers the capacity for swords, long knives, and larger custom work.
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Full Firebrick Construction: Excellent insulation provides stable and even heating cycles.
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Fires to 2200°F (1205°C): High-temperature performance for carbon, stainless, and specialty steels.
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Programmable Controls: Program precise heating, soaking, and cooling cycles with ease.
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Quiet Drive Solid State Relay (Now Standard): Silent, reliable switching that protects heating elements.
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Swing View Panel: Tilts for clear visibility and easy access to settings.
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Durable Build for Frequent Use: Designed to handle daily firing in busy shops.
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Relay Access Port: Quick relay replacement without opening the control box.
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Cool-Touch Handle & Door Shield: Safer loading while protecting the firebrick interior.
Additional Options for the LB 27 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
Boosts 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 27 Heat Treating Kiln Specifications
| Feature |
Specification |
| Model |
Evenheat LB 27 |
| Function |
Knife and tool heat treating – stainless, carbon, and specialty steels, designed for longer blades |
| Interior Dimensions (D × W × H) |
27″ x 10″ x 6.25″ |
| Chamber Volume |
1.00 cu ft / 68.6cm D x 25.4cm W x 16.5cm H / 28.3L |
| 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 |
~ 115 lbs (freight) |
| Line Frequency |
50Hz or 60Hz |
| Outside Dimensions (D × W × H) |
34.5″ x 20″ x 19.5″ |
| Controller Options |
TAP II Smart, Icon, Icon+, Rampmaster 3 |
| Shipping |
Freight truck |
Evenheat LB 27 Manual
Evenheat LB 27 Manual
