I have one remaining X10 device in regular use, a thermostat for my detached garage (all else converted to Insteon). The old PSC05 interface device for the stat just bit the dust and I replaced it with my last "spare" PSC05. I'm thinking of ordering a new spare to keep around just in case the old one bites the dust at an inconvenient time, but it seems some retailers have replaced the PSC05 with a TW523. Does anyone know the difference in these two units?
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Difference between PSC05 and TW523?
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