Webasto Air Top EVO 3900 Control unit ECU 24v | 1313144A

The Webasto Air Top EVO 3900 Control Unit ECU 24V (Part 1313144A) is the heart of your mobile heating system. Designed for 24-volt installations, this ECU provides precise control for the Air Top EVO 3900 heater, ensuring reliable ignition, efficient fuel metering, and steady climate comfort. Built to endure the vibrations and temperature fluctuations of vehicular use, the 24V-only controller delivers fast startup, stable performance, and diagnostics to help you identify faults quickly. Easy to install with compatible wiring harnesses, it supports safe remote operation and consistent heat output in cold climates. Ideal for caravans, trucks, and camper vans requiring robust, low-maintenance climate control.