* The UPS does not replace the 4 backup batteries of the Sedna valve. Backup batteries are necessary if you want the valve to close (according to the function selected in Neviweb or Sinopé Smart Systems) during a prolonged power outage of more than 24 hours.
** The UPS cannot be used in conjunction with batteries as backup power for the Zigbee valve if it acts as a secondary valve to the Wi-Fi valve. (Does not apply to devices with firmware 0.1.3 or newer.)
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Easy to install and seams really solid. Looks easy to change the element if it ever fails in the future or change it to a different size if I missed on my calculations. Has been running my workshop heat for a week now and seems to be really efficient.