User needs to connect a shower drain and macerating toilet to an existing 2" drain line without cutting concrete, and is unsure of the optimal tie-in configuration.

No guidance exists for non-code-compliant, infrequent-use drain tie-ins with macerating toilets, leaving users to guess at plumbing configurations.

Severity

3Medium

Willingness to Pay

implied

Added

May 12, 2026

Implied Software Gaps

A guided drain configuration design tool for non-code-compliant setups

App Concept

DrainPlanner Pro

DrainPlanner Pro is a mobile app that helps homeowners and DIYers design non-standard drain configurations (e.g., combining a shower, sink, and macerating toilet) by providing 3D modeling, slope calculators, and best-practice recommendations. It eliminates guesswork and costly rework.

Key Features

3D visual plumbing layout builder
Slope and pipe sizing calculator
Check valve necessity and placement advisor
Material and fitting recommendation engine

Target Users: Homeowners and DIYers undertaking bathroom renovations with non-standard drain setups

Revenue Model: $9.99 one-time purchase per project, with optional $2.99 advanced fittings library

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