So I created a new and easy automation for my warm water circulation pump- before it was just working with an old plug with a timer.
Now I use the the H2 power plug in combination with two presence sensors- one in my kitchen and the other in my bathroom.
The pump turns on by presence and turns off by absence. Easy and effective - just 
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Great! I guess this automation would help save on the electricity bill. By the way, the cat is so Chinese lol
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Easy but nice one. 
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Thanks for sharing! As said by yourself: easy and effective! 
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