Screw Plug Heaters

Suitable for small and medium sized containers. The tubular elements are brazed or welded into a BSP bush and a terminal housing is provided for electrical connections.

INSTALLATION: The heater is screwed into a female BSP fitting in the tank or into a pipe coupling or half coupling.

APPLICATIONS: Hot water storage, fluid heating – eg. tar, asphalt, wax, oil, caustic soda, detergent, sterilising equipment, gases.

FEATURES: A compact heater for areas where over the side heaters cannot be used, for example, closed in tanks.


  • can be manufactured in stainless steel, Incoloy or Titanium
  • various wattages and voltages
  • various element diameters
  • several BSP bush sizes available – ranging from 3/8″BSP to 4″BSP
  • assorted shapes – eg. trombone, u-shaped, triple loop, fold back, coiled
  • several termination varieties available
  • 3 phase, Star or Delta wiring options available