supercub

Modesto CA

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My hot water is usually so hot you can't keep your hand under the running water. Today, for some reason, it's not that scaulding hot as usual. It's warm-hot, but not, hot hot. I'm running on shore power. Any ideas? Thanks
Brian
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Old-Biscuit

Across the USA

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Joined: 06/20/2009

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How long between this use and the last time it was used?
How long has it been since you drained/flushed the water heater?
Does it get 'hot,hot' if on propane?
Electric element scaled up?
Heater Bypass valve cracked open?
Faulty 'normal' t-stat?
Loose connection on electric element?
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supercub

Modesto CA

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It's been about a month since last useage. I did switch over to gas for a couple of hours, and didn't seem to make any difference.
Brian
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JudoJeff

Southwick, MA

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I'd check the winter bypass valves to see if it's slightly open, mixing the cold into the hot.
K1BE Jeff
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nelson

Clio,Mi USA

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X2 on checking the bypass valve.
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The Beave

Georgetown TX USA

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It never hurts to drain and flush the water heater. I'm always amazed how much crud builds up in the thing.
The Beave
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Dutch_12078

Great Sacandaga Lake, NY

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If you have an outside shower, make sure that the faucet valves are shut off, and not just the shower head valve.
Dutch
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trickyvic3

Raymond NH.

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Dutch_12078 wrote: If you have an outside shower, make sure that the faucet valves are shut off, and not just the shower head valve.
X-2
I had that happen a couple years ago, and it took me 3 days to figure out it was just because the outside shower had been left on. Even though it was closed at the head.
Vic
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Clay L

Sioux Falls, South Dakota

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You might want to check the temperature of the water in the tank. It should be be about 140 degrees (unless you have a heater with a mixing valve then it will hotter). You can carefully release some water into a cup from the relief valve to measure it.
In my case the bypass/diverter ball valve had a slight leak which allowed the cold water to mix with the hot water as it came out of the tank.
Clay (WA5NMR), Lee (Wife), Katie (cat).
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Blackdiamond

So. Cal

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trickyvic3 wrote: Dutch_12078 wrote: If you have an outside shower, make sure that the faucet valves are shut off, and not just the shower head valve.
X-2
I had that happen a couple years ago, and it took me 3 days to figure out it was just because the outside shower had been left on. Even though it was closed at the head.
Vic
X3, same here.
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