Hydronic S3 Economy Pre-Heater System

Eberspaecher's Hydronic S3 Economy engine pre-heater includes CANbus interfaces and a high IP protection level for use in harsh operating environments

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Eberspaecher is expanding its product portfolio with the Hydronic S3 Economy (5 kW) engine pre-heater, which can be installed in a large number of off-highway and construction equipment, work truck vehicles, day cabs, sleepers, marine, bus and municipal vehicles.

  • Compact water heater designEberspaecher Hydronic S3 Commercial 002
  • Flexible installation options
  • All-in-one solution with comprehensive peripheral devices
  • EasyScan diagnostic and service tool enables workshop staff to analyze operating condition quickly and easily 
  • Features CANbus interfaces
  • CARB approved
  • Works efficiently with all popular types of fuel
  • Robust construction features encapsulated fan motor and separation of cold and hot components
  • High IP protection class prevents ingress of water during high-pressure or steam jet cleaning
  • Water spigots are fully rotatable by 360 degrees and are replaceable to ensure convenient and rapid fitting in a range of installation positions
  • Optimized brackets ease mounting anywhere on a vehicle, even in small spaces


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