Recent content by alreadyinuse

Thank you I will look into this. I guess I should have used the Word prevention in subject. I would like to PREVENT Legionaella rather than implement strategies to resolve an existing problem with Legionella.

I have looked at this reference which recommends setting temp to 140 F at heater and removing scale and sediment and dead plumbing legs. https://www.osha.gov/dts/osta/otm/legionnaires/hotwater.html

We have a new Rheem electric water heater with 2 elements. We have temperature set to 130F If we don't use hot water for hours, we notice that the lower temperature reading can be 113 F for hours until hot water is used. The upper temperature reading in the tank generally remains near 130F...