Potterycrafts Topworker 225 Litre Top Loading Kiln

The Potterycrafts Topworker 225L: Professional Top-Loading Kiln

The Potterycrafts Topworker 225 Litre top-loading kiln is a professional-grade model, designed and built in the heart of “The Potteries”, Stoke-on-Trent, UK. With a firing capacity of 225 litres, this kiln is perfect for professional studios, schools, and colleges working on a medium to large scale. Built with durability and precision in mind, the Topworker series combines advanced insulation, robust stainless steel framing, and thoughtful design features for long-lasting reliability. Call us now on 01206 648025 for our free kiln selection service. If the kiln is not the right one for you, the return is completely free.

Potterycrafts Topworker 225L Capacity

The spacious 225-litre firing chamber makes this kiln well-suited to larger projects and consistent, reliable production runs.

Premium Construction

The Topworker is built with two-layer insulation comprising of high-quality lightweight insulation brick, ceramic blanket, and an Ultralite granular floor layer. The kiln is enclosed within a folded stainless steel frame with spring-loaded clamps to ensure rigidity throughout its lifetime. Fitted with 76mm lockable castors, it remains highly portable despite its size.

Design Highlights

• 108mm Ultralite granular insulation in the kiln floor for efficiency.
• 76mm high-grade lightweight insulation brick walls, backed with 25mm insulation board.
• 88.5mm insulated kiln lid for excellent heat retention.
• Gas spring assistance makes opening and closing the lid smooth and safe.
• Grooved elements ensure even heating throughout the chamber.
• Base support bricks for shelf stability and improved heat circulation.

Safety Features

• Dual contactors and over-temperature monitoring for overfire protection (with Potterycrafts controllers).
• Type R thermocouple for accuracy and long service life.
• Side vent with chimney (can be ducted externally).
• Lid vent holes for venting and cooling during/after firing.
• Captive interlock safety switch prevents operation unless securely locked.
• Fully ROHS and WEEE compliant.

Temperature Control

The Topworker 225L is compatible with advanced CERA controllers:

• CERA-10+ Controller: 32 programmes with 32 segments each (ramp, target temp, hold). Flexible for simple firings or advanced glass, ceramic, and industrial applications.
• CERA-10+ WIFI Controller: Adds remote operation via PC, tablet, or smartphone using the GATEway app, while retaining all features of the CERA-10+.

Specifications

Internal Size: 65 cm (W) × 65 cm (D) × 65 cm (H)

External Size: 84 cm (W) × 109 cm (D) × 111 cm (H)

Capacity: 225 Litres

Weight: –

Power: 13 kW

Supply: Single Phase – 63 A (hard-wired by qualified electrician), or 3 Phase & Neutral – 25 A per phase (on request)

Maximum Temperature: 1300 °C (User max) / 1240 °C (Application max)

Warranty: 2 years (excluding elements)

Controller: Optional (CERA-10+ or CERA-10+ WIFI)