Unable to connect a 3/8" supply line to an existing threaded copper faucet pipe because the female fitting does not reach and replacement couplers are not the correct size.

No quick way to identify the exact fitting size or adapt the connection without trial and error; generic hardware store parts don't match.

Severity

2Mild

Willingness to Pay

implied

Added

Jun 15, 2026

Workarounds Described

tries different couplers from the store to find one that fits
measures manually but still gets the wrong size

Implied Software Gaps

Fitting size identification and compatibility guide app that eliminates trial-and-error part matching

App Concept

FitFind Pro

A mobile app that uses your phone's camera to measure and identify pipe fitting sizes, then shows compatible adapters and couplers in stock at nearby stores. No more guessing or wasted trips.

Key Features

Camera-based measurement of thread size and pitch
Instant compatibility check with supply lines and fittings
Real-time local inventory lookup for adapters
Step-by-step visual installation guide

Target Users: DIY homeowners and amateur plumbers in the US working on minor plumbing repairs

Revenue Model: Freemium with $4.99 per fitting identification or $9.99/month subscription for unlimited identifications and inventory features

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