A plumber or handyman cannot find a supplier for specific vintage shower valve parts (valve body washers and spline cutting for valve shaft).

No centralized online marketplace for vintage/obsolete plumbing parts exists that offers both parts and custom machining services.

Severity

3Medium

Willingness to Pay

implied

Added

Jul 4, 2026

Workarounds Described

searches online forums or calls multiple suppliers individually

Implied Software Gaps

Centralized marketplace for vintage parts with machining service directory

App Concept

VintagePlumbSource

A specialized e-commerce platform that connects plumbers and DIYers with suppliers of hard-to-find vintage/obsolete plumbing parts. Includes a directory of custom machining services for spline cutting and other modifications, plus a community forum for part identification.

Key Features

Searchable database of vintage plumbing parts with photos and specs
Vetted supplier listings with pricing and availability
Custom machining service directory (e.g., spline cutting, thread repair)
Community forum for part identification and advice

Target Users: Plumbing contractors, handymen, and DIY enthusiasts working on vintage/rare shower systems in residential or commercial settings.

Revenue Model: Freemium marketplace with $19/mo pro seller accounts plus 5% transaction fee on sales.

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