Hot water cylinder temperature control
I have the hot water extension kit installed next to my hot water tank. probably as per most peoples set up.
It would be nice to have a wireless piece of kit that replaces the hot water tank temperature gauge that either connects wirelessly to the hot water extension kit or is wired in...
This this and absolutely this. There are hardly any such devices on the market anyway, it should be cheaper than an Tado TRV as no moving parts1