Home

Thermo Top Pro
120/150

High-performance water heaters for increased comfort, safety and reliability

Introducing the Thermo Top Pro 120 (12 kW) and Thermo Top Pro 150 (15 kW) - a new generation of water heaters designed to elevate your comfort and ensure safety and reliability. Ideal for construction and agricultural machinery, small to mid-sized buses, electric buses (as a range extender in cold temperatures) and trucks. The powerful heaters are available in both 12 Volt and 24 Volt versions.

Benefits of Thermo Top Pro 120/150

The Webasto Thermo Top Pro 120/150 water heaters offer high performance heating, intelligent diagnostics, automatic altitude adjustment, resilience to extreme weather conditions, a compact design for easy installation as well as a high-performance coolant pump for enhanced performance.

High performance

Experience high performance and efficient heating solutions with the 12 kW Thermo Top Pro 120 and the 15 kW Thermo Top Pro 150.

Intelligent diagnostics

Our smart diagnostic and safety system includes sensors to monitor exhaust gas and coolant temperature, ensuring your heater runs as efficiently as possible.

Altitude adjustment

Incorporated automatic altitude adjustment guarantees full heating performance up to
3,500 meters above sea level.

Extreme weather resistance

Designed for tough environments, these heaters function seamlessly even under extreme conditions such as temperatures down to 40 degrees Celsius below zero.

Compact design

Despite their high performance, these heaters are compact, simplifying installation in confined spaces.

High performance coolant pump

Our powerful coolant pump U4850 which is part of the standard scope of delivery, provides high volume flow and great pressure resistance.

Technology highlight

High-efficiency burner design

The Thermo Top Pro 120/150 boasts a high-efficiency burner design, ensuring optimal performance with minimal fuel consumption.

Truck driving through winter landscape Truck winter

Product details

Product specification

The Thermo Top Pro series is available in both 12 Volt and 24 Volt variants. They come with a compact coolant pump U4850, offer heating capacity of 12 kW (Thermo Top Pro 120) and 15 kW (Thermo Top Pro 150) and can function under temperatures ranging from -40 to +80 degrees Celsius. With a weight of 11 kg and small dimensions, these heaters are compact yet powerful.

Model overview

Select from our extensive range of Thermo Top Pro models tailored to meet your specific needs. We offer the Thermo Top Pro 120 and 150, each in 12 Volt, 24 Volt and 24 Volt variants without a coolant pump.

What is included

Our water heaters come with all necessary accessories such as fuel and coolant pumps, mounting kit and wire harnesses - ready to use for your installation.

Downloads

Thermo Top Pro 120/150 - Datasheet

Size
286 KB
Format
application/pdf
Download

Find your dealer

Find your nearest Webasto dealer quickly and easily or arrange your consultation appointment directly.

Find your Heating Solutions Dealer

More Solutions

  • High Voltage Heater

    The electric High Voltage Heater (HVH) is the ideal heating system for battery electric vehicles (BEV) and plug-in hybrids (PHEV). It converts DC electric power into heat with practically no losses.
  • Water heaters

    Enjoy the comfort of warmth wherever you are with Webasto parking heaters. Compact, high-performing and eco-friendly. Models for all vehicle types.
  • Air heaters

    Explore the range of air heaters from Webasto, offering quick, efficient heating for various vehicles with low fuel consumption.
  • Hybrid heaters

    Explore the range of hybrid heaters for simultaneous heating and hot water in RVs. Underfloor and onboard models available for all RV sizes.
  • Marine heaters

    Explore the whole range of Webasto marine heaters, designed for efficient heating various boat types. Silent operation, compact design and easy to install.
  • Diesel cooker

    Webasto comfort solutions for motorhomes and caravans provide a greater sense of well-being and freedom.
    Cup and coffeemaker on cooker in recreational vehicle
  • Control devices

    Discover enhanced comfort with the advanced heating controls from Webasto, offering superior convenience and user-friendly design.
  • Product finder