LT 27" Tempering Oven with Extended Chamber for Full-Length Blade Stress Relief
The Evenheat LT 27 Tempering Oven is built for long blades and larger tools that need precise post-quench cycles. With a 27″ deep chamber, this model handles sword-length knives, long chef blades, and shop tools in one run.
The LT 27 fires up to 1200°F (650°C), providing the exact range required to temper stainless, carbon, and specialty steels. With its Icon digital control, you can program accurate soak times and temperatures, ensuring blades gain the right mix of hardness and toughness.
Designed to sit on a bench or stacked on matching 27″ LB, KO, or KF ovens, this unit saves space while expanding your heat-treating workflow. Features like a Quiet Drive SSR (standard), Power Interrupt Switch, Relay Access Port, and Door Shield make it safe, reliable, and shop-ready for daily use.
Key Features of the Evenheat LT 27 Annealing Oven
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Purpose-Built for Tempering: Post-quench cycles for stainless, carbon, and specialty steels.
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27″ Deep Chamber (0.66 Cu Ft): Built for sword-length blades, chef knives, and larger shop tools.
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Full Firebrick Construction: Excellent insulation for steady, even cycles.
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Fires to 1200°F (650°C): Accurate tempering range for hardened steels.
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Icon Temperature Control: Easy programming for soak times and temperature holds.
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Quiet Drive Solid State Relay (Now Standard): Provides smooth, silent switching and extends element life.
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Power Interrupt Switch: Cuts power to heating elements when the door is opened for safety.
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Cool‑Touch Handle & Door Shield: Keeps your hands safe and protects the chamber interior.
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Relay Access Port: Simplifies relay replacement without disassembly.
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Bench‑Top or Stackable Use: Works alone or stacks on LB, KO, and KF 27″ models (not KH).
Additional Options for the LT 27 Stress-Relief Oven
🗡 MK1 Blade Fixture
Measuring 5.25″ × 5.25″, this fixture provides ample foil inflation space while staying rock-solid and stable. It never gets in the way and won’t tip over.
🗡 MK2 Blade Fixture
Measuring 7¼″ × 7¼″, this fixture offers generous foil inflation space while staying rock-solid and stable. It stays clear of your work and won’t tip over during use.
🛢 Quench Tank
Built from heavy-duty welded steel with bolt-on feet, this tank measures 24″ deep × 26″ tall and holds 3 gallons. It includes 6″ square steel tubing (0.120″ wall), a 5.75″ square opening, a ⅛″ steel lid, and durable 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 LT 27 Tempering Oven Specifications
| Feature |
Specification |
| Model |
Evenheat LT 27 |
| Function |
Tempering oven – post-quench cycles for stainless, carbon, and specialty steels |
| Stackable Design |
Stack on 27″ KF/LB/KO models; not compatible with KH models |
| Interior Dimensions (D × W × H) |
27″ × 10″ × 4.25″ |
| Chamber Volume |
0.66 cu ft / 68.6 × 25.4 × 10.8 cm / 18.7 L |
| Maximum Temperature |
1200°F (650°C) |
| Voltage |
120V (standard) |
| Amperage |
13A |
| Wattage |
1560W |
| Receptacle Required |
NEMA 5-15 |
| Breaker Required |
15A |
| Weight |
~ 100 lbs (freight) |
| Line Frequency |
50Hz or 60Hz |
| Outside Dimensions (D × W × H) |
30″ × 20″ × 15.25″ |
| Controller Included |
Icon Control (Basic Touchscreen) |
| Shipping |
Freight truck |
Evenheat LT 27 Manual
Evenheat LT 27 Manual
