Describe the problem
Write down what is affected, when you first noticed it and whether it happens all the time. Keep to what you can observe without taking fittings or appliances apart.
Keep product details together
If you already have a model name, installation record or instruction booklet, keep it handy. You do not need to diagnose the problem yourself.
Think about access
Consider parking, shared entrances, furniture around the area and anyone who needs to be present. Discuss these arrangements before the visit.
Agree the next step
Ask about assessment charges, how a price will be confirmed and how extra work would be approved. Keep a record of the agreed scope.
This is general project-planning content for a fictional website. Use an appropriately qualified professional for assessment and technical work.
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