Profile Home


Dalton Electric Heating Co., Inc.


Dalton Electric Heating Co., Inc was founded in 1921 to manufacture industrial heaters.

Today, Dalton heaters are used for industrial process heat applications in automotive, aerospace, plastics, adhesives, semiconductors, and many other industries throughout the world. Products include the Watt-Flex® split-sheath cartridge heater and immersion heater, Diff-Therm® platen heaters for vacuum diffusion pumps, and related high-temperature accessories and heater modifications.

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

Compression Molding (Industrial Heaters and Heating Elements) Within the rubber market there is a strong requirement for even temperature profile cartridge heaters ... the kind of profile best provided by the continuous coil of the Watt-Flex® cartridge... (View Full Article)
Extrusion Dies Again (Industrial Heaters and Heating Elements) This was a response from a distributor to last week's Newsletter about Extrusion Dies:... (View Full Article)

Product Announcements
Dalton Electric Heating Co., Inc.
Dalton Electric Heating Co., Inc.
Dalton Electric Heating Co., Inc.