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    How Long Does It Take For An Electric Hot Water Heater To Heat 40 Gallons?

    I replaced the bottom heating element in my electric water heater, it tested bad. It has been on for 3 hours, there is no hot water yet. It was completely drained.

    asked 8 months ago

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    It takes on average an hour for an electric water heater to heat 40 gallons of water. I guess there is still problem with the heater even after the replacement of heating element. Get it checked from the services company.

    answered 8 months ago   

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      When you say completely drained, do you mean out of water? After changing elements in a hot water heater, you must fill the water heater back up, open the faucets to purge the water heater and pipes of all air before you apply power. I did not do this the first time i replaced a lower element and i turned the water back on, the water filled the tank( so i thought) but when the water stopped filling, it only filled to just bellow the top element because of all the air in the system. I was only getting lukewarm at best. Found out later that the top element had burnt out because it was not submerged in water while i waited for the water to heat up.

      answered 8 months ago   

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