Closed Loop Cooling available for Thermo King’s TriPac APU

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Thermo King has added Closed Loop Cooling as an option for its TriPac Hybrid Auxiliary Idle Reduction and Temperature Control System (APU). The company says the Closed Loop Cooling option delivers reduced installation complexity, allows TriPac to run independently of the tractor’s cooling system, and provides emergency tractor alternator backup to supply voltage for temporary tractor operation in case of tractor charging system failure.

The option is suited for drivers who operate frequently in warm climates or prefer that the TriPac system not tie into the tractor engine coolant. For more information, go to