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Webasto's Thermo Top Evo coolant heater

Webasto’s Thermo Top Evo advances coolant heater tech

Webasto North America recently unveiled its new Thermo Top Evo coolant heater.

The company says the Thermo Top Evo, which is the latest addition to its line of engine-off heating technologies, operates directly from diesel fuel drawn from the vehicle’s primary fuel tank.

“By using the Webasto Thermo Top Evo pre-heater, fleets can save fuel by reducing idling time, warming engines so they start easier and by avoiding extended engine warm-up times,” said Don Kanneth, aftermarket sales director for Webasto.

“Most important, however, is that the Thermo Top Evo helps fleets reduce maintenance by reducing the strain on emission control devices, like DPFs.”

The Thermo Top Evo is flexible to install, intuitive to diagnose and features a quieter heater and fuel delivery system, Webasto maintained. With its efficient 8,600 to 17,200 BTU/h (2.5-5.0 kilowatts) range and ultra-low power consumption, the Thermo Top Evo is capable of pre-heating a wide range of vehicle types, from light-duty commercial vehicles to heavy-duty trucks.

The Thermo Top Evo’s compact size and new features are designed for installation in vehicles with limited space. Its coolant inlet and outlet ports at the top of the heater rotate up to 180 degrees, offering greater flexibility for routing coolant lines.

The unit comes with a longer fuel line, universal controller harness and mounting bracket. The Thermo Top Evo also operates at a higher maximum combustion air temperature that allows it to be mounted in more locations within the engine compartment, Webasto claimed.

The Thermo Top Evo also gives users the ability to read simple fault codes at the controller without the need for ancillary equipment or software. This feature enables the driver to identify the specific fault category while on the road and make the necessary adjustments. The Thermo Top Evo can be controlled manually or programmed to turn on in advance via Webasto’s SmarTemp Control fx 2.0, so the engine is pre-warmed when the driver arrives.

Webasto’s SmarTemp Control fx 2.0

“Idling the tractor to warm the engine is not just inefficient; it creates a significant amount of noise pollution,” Kanneth said. “The Thermo Top Evo includes advancements in its fuel delivery system design, and its new DP 42 fuel pump utilizes half-stroke technology that makes it up to 20% quieter than previous fuel-operated heater systems.”

Many of the Webasto fuel-operated heater products are listed under the “Verified Idling Reduction Technologies” category by the EPA SmartWay Program. Webasto coolant heaters are fuel efficient, helping achieve optimal engine starting temperatures while reducing engine wear, fuel consumption and exhaust emissions, Webasto said.

“In my opinion, Webasto has the best products and technical support, service network and quality reputation on the market,” Kanneth said.

To learn how to specify the Webasto’s Thermo Top Evo, visit webasto.com.

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