Tenant needs to identify the correct replacement size for a bathroom sink popup stopper rod/ball that wears out every few years due to degrading plastic.

No easy way to match an exact replacement part model or dimensions without in-person inspection or trial and error.

Severity

2Mild

Willingness to Pay

implied

Added

Jun 6, 2026

Implied Software Gaps

App that identifies exact replacement part by model number or image

App Concept

PartFinder Pro

PartFinder Pro is a mobile app that lets users identify plumbing parts by scanning a QR code or entering a model number, then instantly shows compatible replacements with dimensions and installation guides. No more guessing sizes or buying wrong parts.

Key Features

Scan barcode or model number to identify part
Show compatible replacements with size and material specs
Provide step-by-step installation instructions
Offer direct purchase links to local or online retailers

Target Users: DIY homeowners and tenants in residential plumbing seeking to replace plumbing parts correctly without hiring a plumber.

Revenue Model: Freemium with $4.99/month pro tier for unlimited scans and parts database, affiliate commissions from linked purchases.

Existing Solutions Mentioned

Kissler brass pop up assembly

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