PlumbingWater Supply & Pump Automation3MediumHomeowner$ implied
Homeowner needs to add a second rainfall shower without losing water pressure or hot water supply, while keeping existing combi boiler.
Existing combi boiler lacks capacity for two simultaneous showers; user doesn't understand how to integrate a cylinder or whether to replace the boiler.
39
0
Opp. Score
39
Severity
3Medium
Willingness to Pay
implied
Added
May 24, 2026
App Concept
ShowerFlow Planner
A web-based tool that lets homeowners input their current boiler model and desired shower configurations, then recommends the optimal upgrade path (e.g., adding a thermal store, unvented cylinder, or system boiler). It provides pressure/flow calculations, component compatibility, and installer referrals.
Key Features
- Boiler compatibility database with flow rate and pressure specs
- Visual diagram of system upgrade options with cost estimates
- Pressure/flow simulation for multi-shower + simultaneous tap use
- Installer directory with reviews and certification filters
Target Users: UK homeowners planning bathroom renovations with combi boiler systems
Revenue Model: Free basic flow analysis; £15 per full system report; affiliate commission on installer bookings
Existing Solutions Mentioned
combi boilerrainfall showerelectric showercylinder / unvented cylinder
Part of App Idea
Homeowner needs to add a second rainfall shower without losing water pressure or hot water supply, while keeping existing combi boiler.Want to go deeper?
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