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Seems like an easy question but I can't get an answer... How long can a shower be?
We have a Rheem 42VR50FV / PRO50-40F natural gas water heater (50 gal) that's coming up on 7 years old. we have the extended warranty kit for total of 12 years.
We got our bathroom redone and have a 2.5g rain head showerhead in there.
With that flow rate, is there a rule of thumb how long we can take a shower / sequential showers before it gets cold? It seems after 10 - 15 minutes, we're turning the temp valve up / finishing up. Which I guess is right? that's 37Gallons so that's most of the tank / the make up water is nice and cold...
From this page,
It talks of 1st hour gallons of 83. Calling rheem, they can't explain what that means.... certainly doesn't seem that you can take a 83 gal/2.5GPM = 33 minute long shower expecting it to be warm.
it's just wife and me now, but when kids come home, we do have to plan who / when takes showers so they are all warm. That's the way it is? A good argument for an instant hot unit? They say 50 gal is a nice size unit for 4 people... as long as you aren't all getting ready near the same time?! : )
Oh, it's a Toto anti-scald valve. That just keeps you from getting scalded right? It doesn't keep the temp the same as hot line drops in temp? Do those exist? Set it for temp you want and then it does what's needed (as best it can) to keep it that temp as hot water drops in temp?)