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Olympic Kilns 2527HE Oval Electric Kiln

SKU 2527HE
$5,040.00
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Made to Order: Kilns are built after ordering to your exact specifications. Current estimate is 8–12 weeks.
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Olympic Kilns · Electric Kiln · Oval Olympic 2527HE Oval Electric Kiln 2527HE · 208/240V, 1-Phase or 3-Phase · 37″ W × 25″ D · 12.8 cu ft · Cone 10 / 2350°F The 2527HE is Olympic's large-capacity oval kiln, built to fire long, wide loads that a round chamber simply can't fit — platters, large sculptural work, and full shelves of production ware. At 12.8 cubic feet it holds significantly more than a standard round kiln in a similar footprint, and it ships with a combined lid lift and stand plus a built-in electronic controller, so it's ready to go to work the day it's wired in.
Max TemperatureCone 10 / 2350°F
Firing Chamber37″ W × 25″ D / 12.8 cu ft
Voltage208/240V, 1-phase or 3-phase
Breaker RequiredUp to 80 amp
Key features
KilnStar Digital Controller Pre-programmed with Cone Fire and Ramp/Hold modes. Features delay start, alarm, and thermocouple offset adjustment.
3-Inch Brick Insulation High-efficiency firebrick construction reduces energy consumption and improves firing performance to Cone 10.
Oval Firing Chamber 37″ wide by 25″ deep oval chamber fits long platters, large sculpture, and wide production loads round kilns can't accommodate.
Combined Lid Lift & Stand Integrated lift-assist mechanism built into the stand makes opening and closing this large, heavy lid manageable for one person.
Stainless Steel Jacket Durable outer shell with corrosion resistance. Provides structural support and a clean, professional appearance.
Balanced Element Design Kanthal A-1 heating elements arranged across the oval chamber for even heat distribution during Cone 10 firings.
Observation Plugs Peepholes at multiple chamber heights let you check pyrometric cones visually during firing without opening the lid.
Type K Thermocouple Industrial-grade temperature sensor positioned for accurate chamber temperature reading.
Optional accessories
Solid State Relay (SSR) Upgrade Replaces mechanical contactors (mercury relays) for silent operation and extended element life on this heavy-use kiln.
Kiln Furniture Kit Shelves, posts, and stilts sized for the 37″ oval chamber. Essential for stacking large or long ware efficiently.
Orton Kiln Vent System Downdraft venting system removes fumes and moisture during firing. Improves studio air quality and glaze results.
Solid Electrical Box Enclosed electrical box option for additional protection in dusty studio or classroom environments.
3-Zone Temperature Control Independent control of front, middle, and back element zones. Compensates for heat variance across this large oval chamber.
Power Interrupt Safety System Automatically shuts down kiln if lid is opened during firing. Adds safety protection in multi-user studio environments.
3-Phase Wiring Configuration Reduces amperage draw compared to 1-phase for facilities with 3-phase service already in place.
Cone 8 Configuration Available for studios that fire exclusively at mid-range temperatures and want a lower max-temp element configuration.
Emergency Parts Kit Spare thermocouple, element connectors, and relay components. Minimizes downtime if a component failure occurs.
Type S Thermocouple Upgrade Platinum-based sensor for improved accuracy and longevity at high temperatures. Recommended for frequent Cone 8-10 firings.
Controller upgrade
Genesis Touchscreen — Bartlett InstrumentsRecommended
The Genesis controller replaces the standard KilnStar with a full-color touchscreen interface and expanded programming capabilities. Store unlimited custom firing schedules with up to 32 segments each, monitor real-time temperature graphs, and access diagnostic data through the intuitive menu system — valuable for tracking performance across the long firing cycles this large chamber requires.
  • 4.3-inch full-color touchscreen with graphical temperature display
  • Unlimited program storage with cloud backup capability via USB
  • Up to 32 segments per program for complex firing schedules
  • Real-time graphing shows temperature curve during firing
  • Advanced diagnostics including element resistance tracking and firing history logs
  • Cone Fire mode with Orton cone temperature equivalents pre-programmed
Common questions
Why choose an oval kiln over a round one?
An oval chamber makes far better use of floor space for long or wide ware — platters, trays, sculptural pieces, and wide production shelves — than a round kiln of similar capacity. The 2527HE's 37″ width lets you load pieces that simply wouldn't fit through the opening or across the shelf of most round kilns this size.
Do I need an electrician to install this kiln?
Yes. The 2527HE is direct-wired and requires a dedicated circuit sized to your configuration — up to 80 amps for 1-phase 208V service, or as low as 50 amps on 3-phase service. A licensed electrician must determine the correct breaker, wire gauge, and connection for your building's available power, and installation must meet local electrical codes.
Does the lid lift assist come standard?
Yes. The 2527HE ships with a combined lid lift and stand as a standard feature, not an optional add-on — given the size and weight of this lid, it's built in from the factory rather than sold separately like it is on smaller Olympic models.
Does this kiln come with shelves and posts?
No. Kiln furniture is sold separately because different users have different needs based on the work they're firing. For a 12.8 cubic foot oval chamber, we recommend a furniture kit with multiple full-length shelves and a full assortment of posts and stilts. Contact Peach State Pottery for a recommendation sized to your typical loads.
How do I register my warranty?
Register your kiln at the Olympic Kilns website within 30 days of delivery. You'll need your serial number (located on the control panel label), purchase date, and proof of purchase from an authorized dealer. Warranty registration is required for coverage and must be completed within the 30-day window. Peach State Pottery can assist with registration if needed.
Not sure if the 2527HE is the right kiln for your space? Our team can help you evaluate electrical requirements, compare models, and coordinate delivery in the Atlanta area.
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About this kiln
Best for: Serious hobbyists, home studio potters, and small production studios who need a reliable, high-fire American-made kiln with full manufacturer support and room to grow.
🔨 Lead time
8–12 weeks
Made to order — built to your exact voltage and controller selections after ordering.
✓ Warranty
Manufacturer warranty
Full coverage included. We are here if anything goes wrong after your order.
Why buy from Peach State Pottery?
Authorized Olympic Kilns Dealer
No sales tax outside Georgia
Free shipping included
Real support before & after order
Military discount for veterans
We are here if anything goes wrong
Call or text us:✆ (470) 264-3563
Production batches fill quickly
Placing your order now secures your spot in the current production batch and locks in today's pricing. Lead times can extend during busy periods.