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Trusted Industrial Cartridge Heaters & Sensors
Established to address critical industrial heating needs, Cartridge Heaters has become a trusted supplier of high-quality thermal solutions across the UK. Our expertise lies in manufacturing and distributing premium cartridge heaters and temperature sensors, designed to meet the demanding requirements of industries such as plastics, packaging, and manufacturing. With a focus on minimizing production downtime, we offer an extensive stock of over 200 standard heater sizes in both metric and imperial dimensions, alongside bespoke engineering solutions tailored to client specifications. Our commitment to quality is evident in every product, featuring durable stainless steel sheaths, high-density insulation, and nickel-chrome heating elements engineered for longevity and precision. Backed by decades of industry experience, our team prioritizes rapid delivery, ensuring next-day dispatch for orders placed before 1 PM.

We adhere to rigorous technical standards, including maximum working temperatures of 700C and power densities optimized for diverse applications. Recognizing the importance of reliability in industrial operations, we provide comprehensive technical support and guidance to help clients select the ideal heater specifications. Our dedication to customer satisfaction is reflected in testimonials praising our product performance, responsive service, and competitive pricing. As a UK-based company, we combine local expertise with nationwide logistics capabilities to deliver dependable heating solutions that enhance operational efficiency and reduce maintenance costs.
Services
Cartridge Heaters Temperature Sensors Thermal Paste Custom Engineering Technical Support
Highlights and features
  • We offer next-day dispatch on all standard-sized cartridge heaters.
  • Our heaters feature durable stainless steel sheaths for extended lifespan.
  • We provide custom-engineered solutions for specialized heating requirements.
  • Our technical team offers expert guidance on heater selection and application.
  • We maintain over 200 heater sizes in both metric and imperial dimensions.
What people say
Top-notch quality Prompt shipping Improved efficiency Excellent customer service Reliable performance
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Cartridge Heaters
Our cartridge heaters deliver efficient thermal performance for industrial applications. Constructed with stainless steel sheaths and nickel-chrome heating elements, they ensure precise temperature control in moulds, platens, and dies. Designed for rapid heat transfer in metals, these heaters operate at power densities up to 60W/cm while maintaining durability in demanding environments.
Temperature Sensors
We supply RTD/PT100 sensors and thermocouples for accurate temperature monitoring. These sensors integrate seamlessly with heating systems to ensure process stability. Available in multiple configurations, they provide reliable data for industrial applications requiring precise thermal regulation and control.
Custom Engineering
Our custom engineering service creates heaters tailored to specific technical requirements. We manufacture units up to 3 meters in length with diameters from 3-40mm, accommodating various voltages and wattages. This service ensures optimal fit and performance for unique industrial heating challenges.
Technical Support
Expert technical guidance helps clients select appropriate heater specifications. Our team provides recommendations on watt density, sizing, and installation practices to maximize heater lifespan. This service reduces operational risks and ensures efficient thermal system integration.
Next-Day Delivery
We guarantee next-day delivery for standard heater sizes ordered before 1 PM. This service minimizes production downtime during equipment failures. With over 200 stock items, we provide urgent thermal solutions for critical industrial processes across the UK.
Questions
What size hole should I drill for a cartridge heater?
Drill a hole slightly smaller than the heater diameter. Ream the hole for proper heat transfer and use thermal grease to ensure optimal contact.
Can cartridge heaters be used to heat liquids directly?
No, direct liquid contact risks overheating. Cartridge heaters are designed for solid materials where efficient heat transfer occurs through metal surfaces.
What causes cartridge heater failure?
Common causes include liquid contamination, incorrect sizing, inadequate heat-sink, and improper installation. Using thermal grease and correct hole dimensions prevents premature failure.
Do you offer custom-designed cartridge heaters?
Yes, we manufacture heaters to your specifications with lengths up to 3 meters and diameters from 3-40mm, including specialized terminations.
Can I use a different length heater in an existing hole?
Avoid mismatched lengths. Heaters should fit within ±5mm tolerance to prevent overheating at protruding ends or lead damage from sinking into the hole.