heat loss by water heater

The Tank heat loss by water heater

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  • #12278

    Assuming a new 50 gallon water heater of .92 efficiency with thermostat set to keep water at 130 degrees F, no heat trap, if the circuit breaker trips just after a shower, about how long will it take for the water temperature drop to, say, 90 degrees F?



    Randy Schuyler

    There is also the question of temperature outside the tank, and how much exposed piping above the tank to radiate heat away. I don’t have a clue myself. I’ll be curious to see if anyone else can postulate any sort of an answer.

    Randy Schuyler

    Larry Weingarten

    Hello: A researcher in hot water and very good guy, Jim Lutz developed a tool for figuring out the energy usage around water heaters called WHAM, “Water Heater Analysis Model”. Here is a link to an article about it that will point you in the right direction.

    Yours, Larry

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