Pre-heater system

The Eberspaecher (Ontario, Canada) Hydronic S3 Economy 5-kW (6.7 hp) engine pre-heater offers compact dimensions and flexible installation options for retrofitting in a large number of day cabs, sleepers, off-highway and construction equipment, marine, bus, municipal and work truck vehicles. According to company claims, the all-in-one solution with comprehensive peripheral devices offers installation partners many practical advantages. With the new EasyScan diagnostic and service tool, workshop staff can analyze the operating condition of the pre-heater easily and quickly. The CARB-approved Hydronic S3 has CAN bus interfaces and offers stepless heating power control. The coolant heater works efficiently with all popular types of fuel. Due to its robust construction—with an encapsulated fan motor and the separation of cold and hot components—it is designed for longevity. For more information, visit

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