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Fluid Heaters

Three types of fluid heaters made by Littelfuse perform essential functions in generators and vehicles that burn diesel fuel. Our diesel fuel heaters help keep fuel filters clear by preventing paraffin from dropping out of suspension. We also produce heater modules that combine fuel heaters with water-in-fuel detection and temperature sensors. Last, our DEF heaters stop diesel exhaust fluid from crystalizing into ice particles that could block fuel intakes or reduce the efficiency of selective catalytic reduction (SCR) systems.
  • Operate with supply voltages between 8 V and 32 V
  • Customizable power ratings up to 250 W at 24 V
  • Operate at temperatures up to 130 ℃
  • Choice of connectors and terminals
  • Positive temperature coefficients allow heating elements to self-regulate

Fluid Heaters Applications

Highlights Section

  • Diesel engines
  • Generators
  • SCR systems in passenger and commercial vehicles

Highlights Section

  • Diesel engines
  • Generators
  • SCR systems in passenger and commercial vehicles

Fluid Heaters Resources