Medium‑Capacity Production Kiln

The Octagon 8.5-kilowatt kiln provides reliable, energy‑efficient firing capacity for schools, clubs, and shared studio environments. With 5.0 ft³ (142 L) of internal volume, it comfortably handles class batches, teaching cycles, and everyday studio work while keeping power requirements simple and affordable.

Built to New Zealand Made Standards

Every Octagon kiln is constructed to meet the strict requirements needed to claim authentic New Zealand Made status. Precision brickwork, durable hardware, and robust insulation ensure long‑term reliability and consistent performance.

Certified A1 Kanthal Elements

Our heating elements are wound from certified A1 Kanthal, providing:

Exceptional lifespan
Stable resistance over time
Reliable high‑temperature performance
Even heat distribution throughout the chamber

Lifetime Spare Parts Support

We maintain a lifetime supply of spare parts, ready to order at any time. From elements to hardware, every component can be readily made when needed.

Power Requirements

8.5 kW, single‑phase configuration
Ideal for schools, clubs, and community studios
Lower installation cost and simplified electrical setup
Energy‑friendly operation with dependable firing performance

Controller Options

Choose the control system that suits your workflow. The Octagon 8.5 kW kiln supports a full range of Bentrup controllers, including:

TC2088 – advanced multi‑segment control for precise firing
TC66 – simple, reliable, user‑friendly operation
TC88 – versatile programming for everyday studio use
TC95 (WiFi) – connected controller with remote monitoring and program management
TC707 – high‑precision, multi‑profile control for complex firings and specialised processes

Why Choose the Octagon 8.5 kW

Practical 142 L chamber ideal for schools and clubs
Built locally to New Zealand manufacturing standards
Long‑life A1 Kanthal elements
Lifetime spare parts availability
Flexible controller options for every firing style
Energy‑efficient single‑phase operation
Engineered for reliability, serviceability, and long‑term value

Please Note

Please read the information sections so you are certain of all the options. If in any doubt, just send us an enquiry and we can help you select your own kiln—or do this for you and provide a quote.

Octagon 5.0 Premium Kiln

From NZ$8,295.00

Excluding Sales Tax |

Bentrup Socket Options

Quantity

Estimate Manufacture 10 - 12 Weeks

A certified electrician is required to ensure your kiln is wired to code, grounded correctly, and supplied with the right voltage and amperage—preventing hazards like overheating, tripped breakers, or premature element failure. To make the process seamless, we provide your electrician with clear, detailed installation instructions, including circuit specifications and wiring diagrams.
Selecting the right kiln and controller is essential for achieving consistent results, managing energy use, and ensuring long‑term reliability in your studio. The right kiln size, shape, and construction help match your firing capacity to your workflow, while the correct controller gives you the precision, safety features, and flexibility needed for accurate firing cycles. If you’re unsure which setup is right for you, use our contact page to speak with one of our team.
Selecting a Controller

All Cobcraft kilns can be paired with a Bentrup controller for accurate, reliable, and repeatable firing. When ordering your kiln, you will choose one of four connection options:

R‑Type socket

S‑Type socket

K‑Type socket

No socket (for customers using their own control system)

The correct thermocouple for your chosen socket type is already included with the kiln.

Once your kiln is configured, selecting a controller is simple: Choose any Bentrup controller that matches the socket type fitted to your kiln.

Controller Options

TC66 – Basic Ideal for simple firing cycles and test batches.

TC88 – Most Popular Reliable, versatile, and suitable for most potters and schools.

TC95 – Advanced Enhanced programmability and connectivity for users wanting more control.

TC707 – Professional Designed for high‑demand studios and complex firing schedules.

All controllers in our shop are supplied ready to plug into any kiln fitted with the matching Bentrup socket.

Octagon 5.0 Premium Kiln

⚠️ Installation Warning

⚠️ Shipping Information

⚠️ Product information

⚠️ Controller Options