Webasto Thermo Pro 90 - Heavy Duty Coolant Diesel Heater Kit, 24VParts Number: 5010874A Webasto Thermo Pro 90 Heavy Duty Coolant Diesel Heater Kit (24V) is a robust and high performance heating solution designed for demanding applications. Delivering 9. 1 kW (31,000 BTU) of heating power, it efficiently preheats engine coolant and provides interior warmth for large vehicles, machinery, and equipment operating in cold environments. Built for reliability, the Thermo Pro 90 ensures smooth operations and enhanced