Developer fixes three years of Home Assistant hot tub dropouts with 200 lines of Python

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A home automation enthusiast spent three years dealing with unreliable Home Assistant integration for his Balboa BWA Wi-Fi hot tub module, which showed as unavailable for hours and triggered random errors. After running a 14.75-hour diagnostic test, he found the module was effectively unresponsive about two-thirds of the time, with silent gaps lasting up to 104 minutes — despite strong Wi-Fi signal. The root cause was identified as 'stale sockets', where the module's firmware simply stops sending data without closing the TCP connection. He wrote a custom Python wrapper of around 200 lines that detects silent connections, rejects zombie sockets, and applies exponential backoff during dead periods. The fix resolved the chronic unavailability and log flooding without requiring any hardware modifications to the spa.

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