Define the starting symptom. Route slow delivery, no hot water, intermittent temperature, noise, unwanted warm cold-water lines, leaks, and a failed existing pump separately. Give leaks, scalding, electrical damage, or combustion concerns a direct safety path.
Map the current system. Collect heater type and location, approximate home layout, affected fixtures, existing return line or pump, controls, recent plumbing changes, and photos only as preparation. State that remote details do not confirm the design.
Explain the site diagnosis. Describe fixture wait-time and temperature observations, heater and valve checks, pump and control review, return-path verification, visible pipe and insulation inspection, electrical needs, and access assessment.
Compare workable options. Present repair, control replacement, dedicated-return installation, suitable retrofit, localized alternative, or no-change recommendation. Tie each option to the verified layout instead of using a universal product package.
Scope the whole installation. Identify plumbing, electrical, access, restoration, insulation, permit, commissioning, control setup, maintenance, warranty, and who supplies each item. Flag conditions that could change the written estimate.
Test the booking handoff. On mobile, submit a new-install and repair scenario. Verify photo upload, consent, confirmation, response expectations, phone fallback, service area, fee disclosure, and that no unavailable appointment or performance promise appears.