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Old 06-13-2009, 02:01 PM   #31
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Stumped. Water heater woes.


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Originally Posted by bigcaddy View Post
I'm getting a little over three gallons a minute.
3 x 20 = 60 gallons, with 2/3 hot. That's all she wrote.

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Old 06-13-2009, 07:55 PM   #32
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Stumped. Water heater woes.


wow. ok. I guess I should just pick up a low flow head and deal with the chinese water torture.
drip drip drip

Thank you all for the help. I'm gonna test the elements eventually and will post back when I do.
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Old 06-14-2009, 12:32 AM   #33
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Stumped. Water heater woes.


Definately check the elements anyway.. I don't have exact numbers, but last night we ran the dishwasher, did 3 loads of laundry, and wife and I both showered (while DW and washer were running) on a 50 gal. WH and didn't run out. My shower has 2 low-flow heads, to boot. Seems like you're getting the short end of the stick.
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Old 06-14-2009, 10:38 AM   #34
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Stumped. Water heater woes.


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Definately check the elements anyway.. I don't have exact numbers, but last night we ran the dishwasher, did 3 loads of laundry, and wife and I both showered (while DW and washer were running) on a 50 gal. WH and didn't run out. My shower has 2 low-flow heads, to boot. Seems like you're getting the short end of the stick.
The numbers say you should have run out of hot water.
Hmmm. . .the plot thickens.
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Old 06-14-2009, 01:06 PM   #35
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Stumped. Water heater woes.


I don't see how you can conclude that the numbers indicate he (ScottR)should have run out of hot water. He ran the dishwasher, but if it is like mine, it has an electric preheat of the water, so uses less than 5 gallons of hot water. Did three loads of laundry... , we don't know if he used cold water, warm water, or hot water. Regardless, unless he has a super fast laundry system, this would have taken an hour and a half, more if they are as slow as I am about getting down to the basement between loads. In an hour and half, an average electric water heater will recharge about 40 gallons of hot water (25 gallons per hour).

Two showers, assume long ones, 15 minutes each, total 30 minutes, at 2 gpm = 60 gallons total, if the water heater was set to 130 degrees, and the shower was at 100 degrees, this would use about 40 gallons of hot water.

Between the 50 gallons of hot water in the tank, and the 40 gallons of recovery over the hour and a half period, it seems reasonable that the system could keep up.
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Old 06-14-2009, 06:12 PM   #36
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Originally Posted by Daniel Holzman View Post
I don't see how you can conclude that the numbers indicate he (ScottR)should have run out of hot water. He ran the dishwasher, but if it is like mine, it has an electric preheat of the water, so uses less than 5 gallons of hot water. Did three loads of laundry... , we don't know if he used cold water, warm water, or hot water. Regardless, unless he has a super fast laundry system, this would have taken an hour and a half, more if they are as slow as I am about getting down to the basement between loads. In an hour and half, an average electric water heater will recharge about 40 gallons of hot water (25 gallons per hour).

Two showers, assume long ones, 15 minutes each, total 30 minutes, at 2 gpm = 60 gallons total, if the water heater was set to 130 degrees, and the shower was at 100 degrees, this would use about 40 gallons of hot water.

Between the 50 gallons of hot water in the tank, and the 40 gallons of recovery over the hour and a half period, it seems reasonable that the system could keep up.
My conclusion was based on your numbers as to the proportion of hot water/cold water!
Right now my blood alcohol level is too high to rationally address this, but I'll be back. . .

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