Thermo Top C / boat

Webasto Thermo Top C as a Marine Hot Water Diesel Heater

The Webasto Thermo Top C is a compact, diesel-fired water heater that has been successfully adapted for marine use, providing both cabin heating and hot water. Originally designed for automotive applications, it integrates seamlessly into a boat’s existing systems, offering a reliable and efficient heating solution.

How It Works

The heater warms coolant, which is then circulated through radiators or fan heaters to distribute warmth throughout the vessel. Additionally, it can be connected to a calorifier (marine water heater) to supply hot water for the galley and shower.

Key Features and Benefits

✔ Compact & Space-Saving – Fits in tight installation areas.
✔ Powerful Heating – Provides up to 5.2 kW of heat for cabin and water.
✔ Quiet & Efficient – Minimal noise with excellent fuel efficiency.
✔ Marine-Grade Durability – Built to withstand harsh conditions.

Installation Considerations

• Mounting – Install in a dry, well-ventilated location away from living spaces.
• Exhaust System – Use marine-grade stainless steel to prevent corrosion.
• Fuel Supply – Connect to the boat’s diesel system with proper filtration.
• Wiring – Use marine-rated electrical connections for safety and longevity.

Operation & Maintenance

• Control Options – Available from basic switches to programmable timers.
• Routine Maintenance – Regularly inspect fuel lines, exhaust, and electrical connections to ensure optimal performance.

The Webasto Thermo Top C is a proven solution for marine heating, delivering reliable warmth and hot water while being efficient and durable. With proper installation and regular maintenance, it enhances onboard comfort and convenience for years to come.