Grundfos UP 20-45 cover for home automation (Shelly 1PM)
thingiverse
This is a replacement cover for Grundfos UP 20-45 water circulation pump. This enlarged cover allows for putting some home automation electronics under it. For me it works fine with Shelly 1PM controller with Temperature Sensor Addon. There are two versions of the cover. One has three cutouts for press-fitting the wire-mounted JST PH2.0 3-pin male connectors that can be used to connect up to 3 DS18B20 sensors to the Shelly 1/1PM Temperature Sensor Addon. The other version is without any extra holes.
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