i hate it.

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Joined 1 year ago
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Cake day: June 30th, 2023

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  • I will say, I’ve had an old mechanical window AC trip the ZEN15’s overload detection when the thermostat short cycled and the compressor was stalled. So I would trust it for that in a pinch, and especially with a resistive load. But for an outdoor heating element application, I still would oversize the switching device (and get the 40A contactor), and put 15A circuit breakers before the contactor. Also, that 40A device can drive either a two pole 240V device (unison contacts) or two 120V devices, so you could just put each heater on its own pole and heat up your wiring a little less. Or probably just wire only one pole, I haven’t read the manual.


  • My guess is that they see their device controlling a heating element of unknown (to them) provenance as a liability. My zen15 manual specifically has a warning against using it with heaters.

    CAUTION This is an electrical device - please use caution when installing and operating the Power Switch. Remote control of appliances may result in unintentional or automated activation of power. Do NOT use this Z-Wave device to control electric heaters or other appliances which produce the risk of fire, burns, or electrical shock when unattended.