A useful spare-parts plan connects each part to the exact product versions it serves. A stockroom full of similar-looking components is not a service network. Distributors need compatibility records, a diagnosis process and clear responsibility for resolving failures.
Start with the installed product population
List the model, voltage, production revision and approximate installed quantity for each supported configuration. Add the markets and installation partners involved. Use actual sales and service records when available; do not invent a failure rate to justify inventory.
Regional support matters as product businesses expand. Truma's May 2026 announcement about full ownership of Leisure-Tec describes its APAC strategy, but does not establish specific parts availability in a particular location. Buyers should request evidence for the service coverage they need.
Build a compatibility-first matrix
| Field | Purpose |
|---|---|
| Part identifier and revision | Distinguish visually similar components |
| Supported models and voltages | Prevent incorrect substitution |
| Diagnostic condition | Explain when replacement is justified |
| Required service skill | Route work to a suitable technician |
| Lead time and stocking location | Plan the likely repair delay |
| Supersession record | Track approved replacements |
Choose stock from service impact
Consider the consequence of a missing part, its replenishment time, the number of supported units and observed demand. Review this decision periodically. A fast-moving service item and a costly component with rare demand may need different stocking arrangements.
Ask the supplier which replacements require software setup, specialist tools or refrigerant work. Do not present every component as suitable for an owner to replace. Include the relevant training and technical documentation in the support plan.
Make claims easier to diagnose
Use a consistent service form containing the model, serial number, voltage version, symptoms, installation photographs and operating conditions. Record the diagnosis and outcome so that repeated issues can improve the stocking and training plan.
Confirm who authorizes a replacement and who covers parts, freight and labor under the applicable terms. A fast written decision can matter as much as having stock nearby. The distributor's goal is a traceable route from reported symptom to restored service, with the correct component supplied the first time.
Next step
Compare the available configurations in the Vethy product catalog, then request the current model-specific documentation before selecting a unit.
Sources and method
- Truma — Leisure-Tec acquisition and APAC strategy · 2026-05-04