£2,313.50
Webasto Thermo Top Pro 120 Water Heater with Water Pump 12v | 9035585A
£2,787.83
Why Butler Technik
- Expert technical knowledge across Webasto, Espar, and Victron
- Fast, reliable parts sourcing and timely shipping
- Outstanding customer service and hands-on troubleshooting
About the product
The Webasto Thermo Top Pro 120 is a 12 V water heater in the 12 kW heater category, supplied with a water pump and installation manual.
It is designed for applications including minibuses, RVs, trucks, construction vehicles, agricultural equipment and marine use. The heater has an innovative burner concept and an intelligent diagnosis and security system. Sensors monitor exhaust gases and coolant temperature and transmit readings to the control unit.
- Automatic altitude compensation up to 3,500 m above sea level
- Ready for operation at temperatures down to −40 °C
- U4850 coolant pump with self-protection function
- Suitable for vehicles transporting hazardous materials (ADR)
- Replaces the Webasto DBW2010 11.6 kW heater, part number 9023677A
The kit contains the heater, water pump and installation manual only. A control timer or switch, twin fuel standpipe and installation kit, part number 9035492A, are additionally required.
At a glance
- 12 kW heater category
- Automatic altitude compensation up to 3,500 m
- Ready for operation down to −40 °C
- Includes U4850 water pump and installation manual
- Suitable for vehicles transporting hazardous materials (ADR)
Specifications11
- In the box
- Thermo Pro 120 heater, water pump and installation manual
- Voltage
- 12 V
- Heater category
- 12 kW
- Water pump
- U4850
- Applications
- Minibuses, RVs, trucks, construction vehicles, agricultural equipment and marine applications
- Altitude adjustment
- Automatic altitude compensation up to 3,500 m above sea level
- Operating temperature
- Ready for operation down to −40 °C
- Hazardous-material transport
- Suitable for vehicles transporting hazardous materials (ADR)
- Additional requirements
- Control timer/switch, twin fuel standpipe and installation kit part number 9035492A
- Replacement
- Replaces Webasto DBW2010 11.6 kW heater, part number 9023677A
- Diagnostic and safety features
- Intelligent diagnosis and security system; sensors monitor exhaust gases and coolant temperature
Price history
Price at the shop, last 80 days
The price has stayed at £2,787.83 since 19 August.



