Welcome to Gary Duncan Ltd

Established in 1979, we have built a strong reputation as one of the UK’s leading manufacturers and suppliers of electrical heating elements and temperature control equipment. We primarily serve the plastics and packaging industries in the UK & Ireland but also deal with numerous other engineering sectors around the world.

Our aim is to provide our customers with the highest quality products while delivering outstanding levels of customer service.

Whether your business relies on one machine or runs across multiple sites, we are here to assist your company to operate efficiently and reduce ongoing running costs.

Our Customers Benefit From

  • Modern dedicated UK manufacturing facility
  • Quick deliveries with no surcharges or hidden costs
  • High quality products
  • Friendly & experienced staff
  • Extensive sales coverage throughout the UK & Ireland
  • Affordable prices with tangible benefits
  • Innovative service
For any enquiries, call us on 01202 894 814 or email sales@garyduncan.co.uk

Our Products

High quality heating elements & control equipment

Gary Duncan Nozzle Heaters

Nozzle Heaters

Wide range of high quality Nozzle Heater Bands ranging from a Low Cost option up to a fully sealed design.

Gary Duncan Barrel Heaters

Barrel Heaters

As a bespoke manufacturer we produce a diverse range of Mica & Ceramic Heater Bands.

Gary Duncan Plate Heaters

Plate Heaters

Complete range of Mica Plate Heaters manufactured in flat, ‘L’ form, ‘U’ form or frame configurations.

Cast Heaters

Custom made to virtually any shape or configuration in Aluminium or Bronze.

Gary Duncan Cartridge Heaters

Cartridge Heaters

Comprehensive range of Cartridge Heaters available in almost any size and loading.

Gary Duncan Coil Heaters

Coil Heaters

Extensive range of Coil Heaters usually coiled to customers’ requirements.

Gary Duncan Thermocouples & Adaptors


As a specialist manufacturer we produce a variety of sizes & designs of Thermocouples & Resistance probes.

Gary Duncan Temperature Controllers

Temperature Controllers

Range of controllers starting from simple analogue to programmable units.

Gary Duncan Insulation Jackets

Insulation Jackets

All insulation jackets are tailor made to save energy & help improve productivity.

Gary Duncan Pressure Transducers

Pressure Transducers

We offer a complete range of Pressure Transducer & Pressure Transmitter sensors.

Heated Hoses

Wide range of heated hoses are used to heat plastic, glue, oil, grease, wax & other materials.

Gary Duncan Hot Air Tools

Hot Air Tools

Various models & configurations of hot air welding tools including accessories.

Gary Duncan Plugs, Sockets and Accessories

Plugs & Sockets

Comprehensive range of plugs and sockets for use with Heaters and Thermocouples.

Cables & Sundries

Variety of cables, eyelets & sundries for use with our Heaters & Thermocouples.

Cooling Fans

Wide range of either single or double entry low pressure cooling fans.

Additional Products

Offering a selection of additional products to supplement our core product range.