Unable to find a 1 1/4" hub to 1 1/2" slip joint adapter for a vanity drain installation.

No readily available adapter exists in standard plumbing supply channels for this specific size conversion, forcing use of a workaround.

Severity

3Medium

Willingness to Pay

implied

Added

May 16, 2026

Workarounds Described

uses a 1 1/4 to 1 1/2 reducer plus a 1 1/2 spigot to slip joint to jury-rig a connection

App Concept

PlumbAdapt Pro

A niche plumbing fittings marketplace and identifier app that helps plumbers quickly find or order hard-to-locate adapters by scanning pipe sizes or entering dimensions. It relies on a community database and manufacturer API to show available parts, alternative solutions, or custom fabrication options.

Key Features

Pipe size scanner using phone camera to identify diameters
Database of uncommon adapters with cross-reference to standard parts
Ordering integration with major plumbing supply distributors
Community Q&A and workaround suggestions from verified plumbers

Target Users: Professional plumbers and DIY homeowners in the plumbing industry

Revenue Model: Freemium with $9.99/mo pro subscription for unlimited part lookups and order linking, plus affiliate fees from distributors

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