Aqua Hot digital reading..
My Aqua Hot is registering weird temperatures. The water is hot and the heaters are heating, but the reading is very low. It used to read 200 max. And would fluctuate when hot water was used. Gary in parts recommended changing the sending unit. I will try that when I get it. Any hints on where it is located? And I don't see any coolant in the overflow reservoir. Should I add some coolant? What is the proper amount to add if needed? Should I be able to see coolant in the reservoir when hot? All advice is appreciated from fellow Newellies and Tech support.
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