Residential Water Supply & Pump AutomationPlumbing3MediumHomeowner$ implied

Long wait time for hot water in master bathroom, unclear if existing recirculation plumbing is correct for two-tank series setup.

No clear guidance or resource to verify correct recirculation line placement for two series tanks; homeowner is uncertain and considering costly replumbing during replacement.

47
0
Opp. Score
47
Severity
3Medium
Willingness to Pay
implied
Added
May 21, 2026
App Concept

PlumbCheck Recirculation Advisor

A mobile app that helps homeowners and plumbers design and verify correct hot water recirculation plumbing configurations for multi-tank systems. Users input their tank setup (number, series/parallel, pipe runs) and get a diagram and checklist ensuring code-compliant, efficient routing.

Key Features
  • Interactive plumbing diagram builder for up to 4 tanks
  • Step-by-step installation checklist based on input configuration
  • Automatic detection of common mistakes (e.g., return line placed between tanks instead of before first tank)
  • Integration with local plumbing code databases
Target Users: Homeowners and plumbers in residential settings with multiple water heaters, particularly those retrofitting or replacing aging systems.
Revenue Model: Freemium with $4.99 one-time fee per diagram; pro subscription $9.99/month for unlimited diagrams and code updates.

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