Webasto Thermo Pro 90 D Basic 24V Diesel 9.1 kW including mounting kit 9023076 / 1317126F / 1317508C / 1317508A / 1317508B / 1317126E / 9024621 / 9024621A

The Webasto Thermo Pro 90 (24V) is a heavy-duty, high-performance diesel water heater engineered for large vehicles and demanding climates. With a heating output of up to 9.1kW, it provides fast and efficient engine pre-heating and interior heating for trucks, buses, RVs, marine vessels, and construction or agricultural machinery.

Built for extreme cold environments, the Thermo Pro 90 features advanced cold-start capability, automatic altitude adjustment, and optimized fuel consumption — making it one of the most trusted commercial-grade heaters in the industry.

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Key Features

• Heating Output: 1.8 – 9.1 kW

• Voltage: 24V

• Fuel Type: Diesel

• Fuel Consumption: 0.15 – 0.90 L/h (up to 1.1 L/h in boost mode)

• Compact Dimensions: 355 × 131 × 232 mm

• Weight: approx. 4.9 kg

• Operating Range: –40°C to +80°C

• Advanced Technology:

  • Arctic Start for reliable cold starts

  • Automatic altitude compensation

  • Efficient heat exchanger for fast warm-up

  • High durability for industrial use

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Ideal Applications

• Long-haul trucks

• Buses & fleet vehicles

• Motorhomes & RV conversions

• Boats & marine heating systems

• Construction, agricultural & industrial machinery

• Off-grid and extreme-climate environments

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Why Choose the Thermo Pro 90 (24V)?

• Exceptional heating power for large vehicles

• Reliable operation in harsh winter conditions

• Reduces engine wear by pre-heating coolant

• Low fuel consumption and long service life

• Designed for heavy-duty, professional applications

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Package Contents / Kit Includes

• Exhaust pipe (100 cm, Ø38 mm)
  

• Intake pipe (110 cm)
  

• Mounting bracket (20583A)

• Relay (9024914A)
  

• Clamps and connection parts (9031405A)
  

• Intake pipe grille (9024810A)
  

• Automatic extension cable (9024911C)
  

• Silencer (19562E)
  

• Water hose fittings (9032477A)
  

• Fuse panel (9026659B)
  

• Fuel hose (6 meters – 9028514A)
  

• DP42 fuel pump (9031364A)
  

• Fuel standpipe (1300494D)
  

• Wiring harness (9024909D)
  

• Bolt and fastening set (9024805A)
  

• Exhaust clamp set (9024808A)
  

• Water pump socket (9024074A)

• Rotary Rheostat Controller