HVACSoftware Reliability & Performance4HighHomeowner$ implied
The RWM200 WiFi module for a Rinnai tankless water heater repeatedly loses WiFi connection, requiring manual power resets to restore smart features.
Rinnai's official solution is to manually reset the module when it disconnects, which is unreliable and inconvenient.
44
0
Opp. Score
44
Severity
4High
Willingness to Pay
implied
Added
Oct 28, 2026
Workarounds Described
- Manually resetting the RWM200 module weekly
- Adding a dedicated 2.4 GHz repeater
- Using a Shelly 1 relay to power cycle the module automatically
Implied Software Gaps
- Automatic reconnection without manual reset
- Remote diagnostics and firmware updates
App Concept
WiFi Module Stability Fix
A hardware-software solution that automatically resets the WiFi module on a schedule or upon detecting disconnection, ensuring the smart features remain functional without manual intervention. This would integrate with existing home automation systems or provide a standalone smart relay.
Key Features
- Auto reset on WiFi disconnection
- Scheduling and timer control
- Integration with home automation platforms
- Remote monitoring and alerts
Target Users: Owners of Rinnai tankless water heaters with WiFi-enabled control modules experiencing connectivity issues
Revenue Model: One-time hardware sale with optional subscription for advanced monitoring
Existing Solutions Mentioned
Rinnai AppFlic ButtonsShelly 1
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