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For nearly 100 years, Dalton Electric Heating Co., Inc., has manufactured industrial heaters. Today, Dalton's patented Watt-Flex® Cartridge Heaters and Diff-Therm® Platen Heaters are used throughout the world in manufacturing industries such as the aerospace, automotive, composites, plastics, and many other industries.

Dalton moved to their present headquarters location in Ipswich, MA in 1989. In 1995, they doubled their manufacturing floor space. In 2000 they completed a two-story addition, housing both office and manufacturing.

Watt-Flex® Split-Sheath Cartridge Heaters
Diff-Therm® Vacuum Diffusion Pump Heaters
Dalton Electric Heating Co., Inc.
  • Maximize Heat Transfer
  • Reduce Maintenance Costs
  • Warranted Easy Removal
  • Last 5 times longer than conventional heaters

For new or replacement cartridge heater applications, Dalton's revolutionary split-sheath cartridge heaters will lower your process heating costs and provide more even heating.

Dalton Electric Heating Co., Inc.
  • Direct Replacement Heaters for all Major Vacuum Diffusion Pumps
  • Outperform Original Equipment Heaters
  • One Piece Assembly Simplifies Installation
  • Complete Range of Shapes and Sizes

Diff-Therm® Platen Heaters set the industry standard for long-life, uniformly distributed process heat and efficient power generation. Over 110 heater combinations are available for direct replacement of vacuum diffusion pump heaters.

Custom Products

Technical Articles

Diff-Therm Technical Brief (Industrial Heaters and Heating Elements) Vacuum diffusion pumps require an effective heating system to drive the pump. Conventional designs often employ a complicated series of components that must be carefully matched up, adding unnecessary... (View Full Article)
Process Heating Engineering Data and Application Design Considerations (Industrial Heaters and Heating Elements) Reference information to assist you in the selection of Watt-Flex heaters for new process heating designs. (View Full Article)

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Dalton Electric Heating Co., Inc.
Dalton Electric Heating Co., Inc.
Dalton Electric Heating Co., Inc.