Cheapest way to add timers to geysers

[TheTerribleTriplet]

Was waiting for this.

@plonkster

… because of legionnaires …

Our resident Idiot here in our Village made a good case for why it is not that important.

@Village_Idiot

So, unless falling in a very high risk group, and/or wanting to boil the water for other possible Pathogens I think extra steps/costs specifically focussed on Legionella are not needed in a single family type residential setting.