Water pressure drops in showers when other fixtures (kitchen sink, dishwasher, washing machine) run simultaneously after replacing a tankless water heater.

No existing solution mentioned; the user is seeking diagnostic guidance before calling a plumber.

Severity

3Medium

Willingness to Pay

implied

Added

Jun 5, 2026

Implied Software Gaps

Diagnostic app that helps homeowners pinpoint the cause of pressure drops without a plumber

App Concept

FlowFix Diagnostics

FlowFix Diagnostics is a mobile app that guides homeowners through water pressure troubleshooting with step-by-step tests, equipment checklists, and visual aids, helping them identify issues like pressure regulators, pipe sizing, or fixture restrictors before calling a plumber.

Key Features

Step-by-step diagnostic flow chart tailored to symptoms (pressure drop with simultaneous use)
Built-in pressure gauge reading guide (compares static vs dynamic pressure)
Identify common culprits: pressure reducing valve (PRV), pipe diameter, flow restrictors
Generate a report summarizing findings for plumber communication

Target Users: Homeowners experiencing water pressure issues, particularly those who recently replaced water heaters or have multi-fixture demand.

Revenue Model: $4.99 per diagnostic report; or $9.99/month subscription with unlimited diagnostics and storage

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