[Altavia]

Originally Posted by vintageogauge

I'm pretty sure that if you set them higher than 120 you void your warranty so if your heater is still under warranty, be careful. There's a reason they don't advise anything hotter than 120. I found that by turning on the shower before getting undressed it is fully hot by the time I get in it.

From my waranty:

Damages, malfunctions or failures caused by operating the unit at water temperatures exceeding the maximum setting of the operating, or high limit, control.