I've got a 40 gallon water heater, and what I've been finding is that it provides just enough hot water to fill my sizable bathtub, but no more. Which means if I want to rinse off with the shower after the bath is over, that rinse is going to be ice cold.
I started looking into buying larger water heaters, but found an article online that said there was cheaper alternative involving the following two steps:
- Install a tempering valve, and
- Crank the heat way up.
By turning the heat way up, but then subsequently tempering it with cold water, this will turn scalding water back into hot water, and the net result is that you'll be able to pull less water from the water heater to get the same result.
That does sound like a good alternative to me, but I have some concerns. Would cranking the heat way up actually cause any damage to the water heater? Or limit its life perhaps? Thanks for any advice you can provide.