KILN
Jen-Ken Mega Coil 2431 3″ Electric Kiln
The spacious Mega Coil 2431-3" kiln, equipped with lid lifters, is designed to meet the needs of mid-range production studios, busy schools, and commercial environments.
Freight quoted upfront
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Recommended add-ons
-
Furniture Kit for 2431 Kilns
$550.00
-
Steel Kiln Stand with Locking Casters for 24" Kilns
$325.00
-
Orton VentMaster Kiln Vent System
$785.00
-
Lid Switch (Kill Switch)
$100.00
Jen-Ken Mega Coil 2431 3″ Electric Kiln
At a glance
| Size | Large |
|---|---|
| Interior | 24.0″ × 31.0″ W×D |
| Cubic feet | 8.11 |
| Max cone | Cone 8 |
| Power | 240V · Single |
| Controller | Orton AutoFire 12-Key Controller |
Firing to cone 5-6, this versatile kiln offers minimal maintenance while ensuring consistent, efficient production. Its robust Mega Coil system and easy serviceability make it a smart investment for smooth, long-lasting operation. Available in a plug-in, low-fire version or a direct-wire version for high-fire work.
Jen-Ken upgraded its traditional 3" brick kilns with oversized, super-heavy-gauge Mega Coils. The larger coil diameter extends coil lifespan, reducing wear and improving performance.
Designed for ease of use, efficiency, and minimal maintenance, these kilns feature high-power elements that are simple to replace, easy-to-access external thermocouples, and durable solid-state (SSR) relays built to withstand consistent use. Optional zone control is also available.
Key features
- Best for: Ceramics and Pottery
- Cone: Fires up to cone 5-6
- Great for Mid-Range Production Studios/Classrooms: Ideal for high-volume paint-your-own pottery studios, schools, and other environments needing frequent and efficient firings.
- Durable Mega Coil System: Equipped with oversized, super-heavy-gauge Mega Coils, providing longer lifespan, reduced wear, and improved performance.
- Minimal Maintenance: Designed for easy serviceability, featuring heavy-gauge high-power mega coils and external thermocouples that are easily accessible for maintenance.
- Solid-State Relays: Features durable solid-state (SSR) relays that withstand consistent use, ensuring long-lasting performance.
- Lid Lifters Included: Lid lifters significantly reduce the weight of the lid, making it easier to open and close.
- Available in Multiple Configurations: Choose from a plug-in, low-fire version or a direct-wire version for high-fire applications.
- 3" Brick High-Fire Brick: This kiln body, made of 3” brick offers 20% more insulation than standard bricks, enhancing energy efficiency and maximizing heat retention during firings.
- Zone Control Option: Optional zone control available to enhance heat efficiency for optimal firing results.
What's included
- Orton AutoFire 12-Key Controller
- Lid Lifter
- Kiln Stand
- Instruction Manual
- Solid-State Relays (SSR)
- 2-Year Limited Warranty for Kiln and Controller
Specifications
| Kiln model | AF 2431 Mega Coil 3" LL |
|---|---|
| Interior dimensions | 24" x 31" |
| Capacity | 8.11 cu ft |
| Element placement | Side-fired |
| Max temperature | 2,300°F, cone 8 |
| Amperage (45 Amp option) | 45A |
| Wattage (45 Amp option) | 10,800W |
| Receptacle (45 Amp option) | 6-50 |
| Breaker (45 Amp option) | 60A |
| Circuit wire gauge (45 Amp option) | 6 |
| Amperage (55 Amp option) | 55A |
| Wattage (55 Amp option) | 13,200W |
| Receptacle (55 Amp option) | Direct Wire |
| Breaker (55 Amp option) | 70A |
| Circuit wire gauge (55 Amp option) | 4 |
| Kiln weight | 300 lbs |
| Overall dimensions (footprint & height) | 30" x 37" |
| Shipping dimensions | 54" x 45" x 64" |
| Shipping weight (approximate) | 445 lbs |
| Controller | Orton AutoFire 12-Key Controller |
| Brick thickness | 3" brick walls and lid |
| Loading type | Top-loading (lid lifters) |
| Shipping method | Motor freight — quoted upfront |
| Firing range | Cone 5–6 on the 45A plug-in version; cone 8 high-fire on the 55A direct-wire version. |
Electrical requirements
240V single-phase, available in two electrical configurations: 45 Amp: 45A draw, 10,800W, breaker 60A, 6-gauge wire, receptacle 6-50; 55 Amp: 55A draw, 13,200W, breaker 70A, 4-gauge wire, receptacle Direct Wire. The price shown is for the standard configuration; ask us to confirm pricing for the other option. Have a licensed electrician confirm your circuit, breaker and receptacle before the kiln arrives.
Warranty
2-year limited manufacturer warranty covering both the kiln and the controller.
Shipping, lead time & ordering
- Made to order and shipped direct from the manufacturer. We confirm current lead time with you when you order.
- Ships by motor freight (LTL truck) — freight is quoted upfront, before you pay for it. Residential liftgate delivery is available.
- Not sure about size, voltage, or your outlet? Talk to us or call (737) 231-1880 before you order, and try our Electrical Readiness Checker.
- See our Shipping Policy and Return Policy.
Frequently asked questions
What electrical service do I need?
Each model's voltage, amperage, breaker, wire gauge and receptacle or plug are listed in the Specifications and Electrical requirements above. Check your setup with our Electrical Readiness Checker, and have a licensed electrician confirm your circuit before the kiln arrives.
What's the difference between standard and 3-inch brick?
Jen-Ken's 3" brick offers about 20% more insulation than standard brick, for better energy efficiency and heat retention, and is suited to frequent, production-level firing. This model is built with 3" brick walls and lid.
How is freight quoted?
We quote freight upfront, before you pay for it, based on your delivery address and whether you need residential liftgate delivery. Shipping is not included in the kiln price. See our Shipping Policy.
What's the lead time?
Jen-Ken kilns are made to order and ship direct from the manufacturer. We confirm the current lead time with you when you order.
Can I return it?
Eligible items can be returned within 90 days of delivery if they're unused, in original packaging, and haven't been wired in or fired. Custom or built-to-order units aren't returnable, and the customer covers return freight. Contact us for a return authorization before shipping anything back. Full details are in our Return Policy.
What warranty does it have?
Jen-Ken includes a 2-year limited warranty covering both the kiln and the controller. If something develops a fault, contact us and we'll coordinate the warranty claim.
Can I add a controller upgrade, furniture kit or vent?
Jen-Ken offers options such as upgraded controllers, furniture kits, stands and vents. Ask us or call (737) 231-1880 and we'll quote the options that fit your kiln.
Parts for this kiln
Elements, thermocouples, and relays wear with use. We stock genuine manufacturer parts for your model — use the part finder if you're unsure which one you need.



