I'm just using this 120vac unit to monitor the temperature (in C) of my new water heater.
Then today, I saw this PID unit.. Smart Digital PID Temperature Control Controller Furnace Kiln Power AC 85V-260V | eBay
Comes with a sensor too! Seems like a compact unit.
Best part, does C & F !!
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My hobby is installing & trying to repair mini-splits
EPA 608 Type 1 Technician Certification ~ 5 lbs or less..
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