HC Immersion Heaters

Product Applications
  • Boiler equipment
  • Bulk liquid storage tanks
  • Calorifier packages
  • Cleaning and rinsing equipment
  • Fuel / lube oil
  • Heat transfer systems
  • Hot water storage tanks

The EXHEAT HC range of removable ceramic core immersion heaters is suitable for all process fluids which are non-corrosive to the materials of construction. They provide a safe, low density, electrical heating method for fuel oil, lube oil, water and other bulk liquid storage tanks.


  • Removable ceramic core elements can be replaced without drain down
  • Any flange specifications accommodated
  • Can be supplied with the terminal box mounted away from the flange, for high process temperature
  • Designed for horizontal installation only. Vertical mounting version available on request
  • Weatherproof terminal enclosure to IP55
  • Internal control thermostat(s) and over-temperature thermostat
  • Materials engineered to meet process requirements


Model HCM: HC powder-coated terminal box with plain surface mild steel element sheath
HCS: HC powder-coated terminal box with plain surface 316L stainless steel element sheath
HCX: HC powder-coated terminal box with extended surface mild steel element sheath
Enclosure Folded steel finished in textured paint colour grey RAL 7032
Elements Removable ceramic core, comprising high quality 80/20 nickel chrome resistance wire, contained within ceramic formers
Element Sheath A choice of carbon steel, Incoloy or stainless steel sheath, depending upon the process application
Controls One over-temperature protection thermostat is fitted as standard, together with one control thermostat per heater stage
Mounting Any industry standard flange in any material can be specified, within the limits of the design parameters. Heaters can be either ‘direct-on’ or ‘stand-off’
Rating Unlimited within the design parameters
Voltage Any electrical supply up to 690V