Its approved inflow conditions determine which fixtures and appliances it can serve. A toilet macerator and a kitchen utility pump may have different limits.
What the observation means
A physically matching pipe or spare inlet does not establish heat compatibility. Occasional and sustained hot-water conditions may also be distinguished by the manufacturer.
A useful next step
Use the exact product specification and existing installation records. Do not test suitability with hotter water or connect another appliance experimentally. If the unit has received unsuitable discharge, describe the event and obtain assessment before relying on continued operation.
Manuals and supporting guidance
Model-specific instructions take priority. These references support the practical principles discussed here; they do not diagnose your appliance.