Water Heater does not heat all 6 gallons
I have a 6 gallon Suburban water heater, on the last trip we ran out of hot water much quicker than usual. When we got home I ran the water heater, made sure it was nice and hot, then measured 3.5 ...
Forum Discussion
Francesca Knowles wrote:bob_nestor wrote:
Not trying to be a smart a$$ here, but the hot water is discharged by pumping in cold water. That cold water mixes with the hot water remaining in the tank reducing the temperature. At about 3 or 4 gallons the hot water will be fairly cool. The amount of hot water one gets out is dependent on the temperature of the cold water coming in too.
First thing that crossed my mind, too.
But surely the O.P. thought of that and turned the incoming water off and then finished the "test" via draining by gravity into a measuring vessel...
Right, O.P.?
Wrong, I did it the dumb a$$ way. I did expect it to cool off, just not as quickly as it did. I will try it again by turning off the water and gravity feeding it.
Thanks all for your suggestions.
