This genuine Truma 9‑metre data cable (Part No. 40781‑54) is used to provide a stable communication link between Truma control panels and compatible appliances. It carries low‑voltage data signals only and is suitable for extended routing within caravans and motorhomes.
Key Features
- 9‑metre Truma data/control cable
- Suitable for long‑distance panel‑to‑appliance installations
- Genuine Truma spare supplied under part number 40781‑54
- Designed for Truma heating and cooling systems using Truma’s data/control bus
- Flexible cable for easy routing through furniture, lockers and service voids
Typical Applications
- Relocating Truma control panels
- Replacing damaged or intermittent data cables
- Integrating Truma appliances into a unified control system
- Extending communication distance between Truma CP Plus / iNet / iNet X panels and appliances
Compatibility
Compatible with Truma systems using Truma’s data/control bus, including (where applicable):
- Truma Combi heaters
- Truma VarioHeat
- Truma Aventa air conditioners
- Truma CP Plus / iNet / iNet X control panels
Technical Information
- Length: 9 metres
- Function: Low‑voltage data/control communication
- Cable Type: Truma data bus cable
- Part Number: 40781‑54





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