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Proper water heater differential

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Josh M.
Josh M. Member Posts: 359
in THE MAIN WALL
Got in a heated discussion today about proper water heater control differential. Well, not really heated but it was a debate. What are some Wallie opinions?

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  • Al Letellier_9
    Al Letellier_9 Member Posts: 929
    water heater differential

    I think that whatever works is the best solution. As long as the temperature doesn't fluctuate a lot and the demand is met, set it wherever. Every water heater's recovery is different. This makes a good argument for installing a mixing valve on every water heater. Most controls have a built in 10 degree differential, and I don't remember ever having to go back to adjust differential.
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