PlumbingRepair and Maintenance Decisions4HighPlumber$ implied
A plumber has a 12-year-old Rinnai tankless water heater with severely reduced hot water flow despite multiple flushing attempts, and needs a solution to either restore flow or decide on replacement.
Standard flushing chemicals and manual valve cleaning are insufficient to remove hardened mineral scale from a neglected heat exchanger, and Rinnai support recommends replacement without offering a stronger descaling method.
49
0
Opp. Score
49
Severity
4High
Willingness to Pay
implied
Added
May 8, 2026
Workarounds Described
- flushed multiple times with off-the-shelf Home Depot descaler
- removed and cleaned all valves manually
App Concept
ScaleBurst Pro
ScaleBurst Pro is a professional-grade, high-concentration descaling solution and pump system designed for stubborn mineral buildup in tankless water heaters. It combines a powerful citric acid-based formula with a recirculation pump that pulses flow to dislodge scale, restoring full water flow without requiring heat exchanger replacement.
Key Features
- Professional-strength descaling chemical safe for heat exchangers
- Recirculation pump with pulse mode for deep cleaning
- Compatible with all major tankless brands
- Integrated flushing kit with pressure gauge to measure flow improvement
Target Users: Plumbers and HVAC technicians servicing residential tankless water heaters with low flow due to scale buildup
Revenue Model: $79 per kit (chemical + pump rental), $29 for chemical refill
Existing Solutions Mentioned
flushing with off-the-shelf Home Depot descaler
Part of App Idea
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