Make an equipment and access record
If the label is accessible, note the existing model, serial number and capacity. Keep any installation or service paperwork nearby. Describe where the tank is located and how it would be brought out: stairs, narrow doors and finished enclosures are relevant planning details.
Do not open an electrical cover or dismantle connections to collect information. A photograph of an accessible label and a description of the room are enough to begin the conversation.
Describe the change you want
Say whether you are replacing a failed unit, planning ahead or responding to a change in hot-water use. List uses that occur together and any planned addition or change in occupancy. Avoid treating the existing tank size as the only information needed to choose the next unit.
If you already have a model in mind, provide its specifications before ordering. Ask how the proposed unit, location and existing connections will be assessed together.
Compare the complete installation scope
Ask each proposal to identify who supplies the tank, removes the old unit and handles any required plumbing or electrical work. Clarify access, finishing work and the documents supplied at completion.
Keep the appliance price separate from the total scope when comparing options. Availability, installation conditions and warranty coverage should be confirmed for the actual proposal. Use the electric water-heater service page for repair and general service information; this guide is specifically for organizing a replacement enquiry.