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I have a Chosry Fused Spur JKFS-WIFI that I use to control my hot water immersion heater.
After going through the inevitable Tuya problems I disassembled and found a WB2S inside.
I had to remove the manual switch from the front as it's fitted in from the front of the case and the PCB from the rear.
After an unsuccessful flash I de-soldered and removed the board from the device, re-flashed and voila!
Currently the config has both LED turn on when the device is active and both off when not as my boiler is in a cupboard in my bedroom and the LED are annoying!
After going through the inevitable Tuya problems I disassembled and found a WB2S inside.
I had to remove the manual switch from the front as it's fitted in from the front of the case and the PCB from the rear.
After an unsuccessful flash I de-soldered and removed the board from the device, re-flashed and voila!
Currently the config has both LED turn on when the device is active and both off when not as my boiler is in a cupboard in my bedroom and the LED are annoying!
