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Electrical Kiln Spares

Potclays supplies a comprehensive range of electrical kiln spares to support repairs, replacements, and routine maintenance across a variety of kiln models. These reliable components ensure your kiln performs at its best. From thermocouples, relays, and contactors to switches, terminals, and fuses, each part is carefully selected for quality and compatibility. Whether you’re an individual potter maintaining a single kiln or a school or studio managing multiple systems, our range helps you keep your equipment running safely and efficiently. Browse our range below.

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2 Way power terminal for L&L kilns (for 1 & 3 phase from Potclays

2 Way power terminal for L&L kilns (for 1 & 3 phase from Potclays

8LGPB2P/EF - Pre-Order
£37.26 (Inc. VAT) £31.05 (Exc. VAT)
20amp Contactor

20amp Contactor

Potclays Kilns 815-0001 - In stock
£78.00 (Inc. VAT) £65.00 (Exc. VAT)
40amp Contactor

40amp Contactor

Potclays Kilns 815-0002 - In stock
£206.65 (Inc. VAT) £172.21 (Exc. VAT)
Base mounted interlock switch KG20VE

Base mounted interlock switch KG20VE

Potclays Kilns 815-0061 - In stock
£58.80 (Inc. VAT) £49.00 (Exc. VAT)
Base mounted interlock switch KG41VE

Base mounted interlock switch KG41VE

Potclays Kilns 815-0063 - Pre-Order
£84.38 (Inc. VAT) £70.32 (Exc. VAT)
Complete Thermocouple. Includes Element, Connector and Tube.

Complete Thermocouple. Includes Element, Connector and Tube.

8TGE800/TC - Pre-Order
£82.34 (Inc. VAT) £68.62 (Exc. VAT)
Control Fuse Holder

Control Fuse Holder

8LGFSPB/00 - Pre-Order
£15.55 (Inc. VAT) £12.96 (Exc. VAT)
Control Fuse(1/2amp)

Control Fuse(1/2amp)

8LCFS05/00 - Pre-Order
£2.51 (Inc. VAT) £2.09 (Exc. VAT)
Control Transformer

Control Transformer

8LGTR24/00 - Pre-Order
£38.60 (Inc. VAT) £32.17 (Exc. VAT)
DynaTrolBoard(E/Fire

DynaTrolBoard(E/Fire

8NGD300/00 - In stock
£476.40 (Inc. VAT) £397.00 (Exc. VAT)
Elem Terminal Bolt

Elem Terminal Bolt

8LGTERM/OO - In stock
£1.61 (Inc. VAT) £1.34 (Exc. VAT)
Elem.Term Set LL Met

Elem.Term Set LL Met

8MGTSET/00 - Pre-Order
£5.51 (Inc. VAT) £4.59 (Exc. VAT)

Why Would I Need Kiln Spares?

Over time, electrical components in a kiln naturally wear through repeated heating cycles and general use. Replacing parts like thermocouples, interlock switches, contactors, or control boards can restore temperature accuracy, responsiveness, and safety. Terminal bolts, washers, and connectors also ensure secure electrical contact and consistent power delivery to your elements.

Having access to reliable kiln spares enables you to address minor issues before they escalate into costly downtime or major faults. This keeps your firing schedule on track and extends the lifespan of your kiln.

Utilising the Potclays Expertise

Potclays’ technical team, with decades of experience in kiln manufacturing and servicing, can help identify the correct parts for your model and advise on safe fitting. Our stock includes L&L kiln components and Potclays-branded spares, covering both modern and legacy equipment.

Whether you need guidance on selecting the right thermocouple, help diagnosing a controller issue, or advice on maintaining electrical connections, our team is ready to provide practical and informed support.

Why Choose Potclays?

Potclays has been a trusted name in the pottery world for over 90 years, providing high-quality compatible spares backed by expert advice. We can also offer potters of all skill levels access to starter kitskilns, and reliable tools and accessories to help get projects off the ground.

We're also committed to long-term support. Whether you need help and replacement parts after the breakdown of older kilns or need advice on the firing range of certain types of ceramic, we're on hand to help. Please reach out to us whenever you get a chance. 

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