A homeowner is unable to diagnose and repair a combination boiler with a suspected pump short circuit and possible heat exchanger damage, lacking systematic diagnostic guidance.

No consumer-friendly diagnostic tool for combination boilers that guides step-by-step troubleshooting and predicts consequential damage from running without pump.

Severity

4High

Willingness to Pay

implied

Added

Jun 3, 2026

Workarounds Described

uses manual process of elimination to diagnose short circuit
runs unit without pump to test, causing knocking sound

Implied Software Gaps

Diagnostic app that provides systematic troubleshooting steps for boiler electrical and hydraulic components

App Concept

BoilerDiagnose Pro

A mobile app that guides homeowners and DIYers through systematic boiler troubleshooting with interactive decision trees, video tutorials, and component-specific testing protocols. It uses logic to predict potential downstream damage and recommends safe operation limits.

Key Features

Step-by-step interactive diagnostic flow for common boiler issues
Component-specific testing instructions (pump, thermistor, valve, etc.)
Damage predictor: warns user about risks of running without certain components
Integrated parts lookup with direct purchase links

Target Users: Homeowners and DIYers with combination boilers, especially those with some mechanical aptitude but no professional HVAC training

Revenue Model: Freemium with $9.99/month pro tier for unlimited diagnoses and advanced damage prediction

Existing Solutions Mentioned

manual process of elimination

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