Dalton Electric Dalton Electric - The Leader in Cartridge Heating Technology  
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Dalton Electric
Electric Heating Co., Inc
  Dalton Electric Watt-Flex®
Dalton ElectricCartridge Heaters


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Dalton ElectricWatt-Flex®  Split-Sheath Cartridge Heaters

Cartridge Heater
The patented Watt-Flex Cartridge Heater

  • Maximize Heat Transfer
  • Reduce Maintenance Costs
  • Warranted Easy Removal
  • Last 5 times longer than conventional heaters
  For new or replacement cartridge heater applications, our revolutionary split-sheath cartridge heaters will lower your process heating costs and provide more even heating. Click for more on Watt-Flex Cartridge Heaters.

Vacuum Diffusion
Pump Heaters


Dalton Electric View Watt-Flex® Video

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Diff-Therm®  Vacuum Diffusion Pump Heaters

Dalton Diff-Therm Platen Heater
Diff-Therm Platen Heater

  • 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 from Cooke, CVC Products, Denton, Edwards High Vacuum, Leybold, Perkin Elmer, Torr, Varian/NRC, Veeco and others. Click for more on Diff-Therm Vacuum Diffusion Pump Heaters.


Since 1921, Dalton Electric has been a leader in industrial process heating.

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.


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Dalton Electric Heating Co., Inc (978) 356-9844
28 Hayward Street, Ipswich, MA 01938 USA

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