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Ernie Willson Ernie Willson is offline
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Default Water heater expansion tank pressure question

Bob,

You are completely correct. Thanks for your comment. I'm having
difficulty understanding Bubba's "intelligent" comment. People like him
make ignorant people look smart.

EJ in NJ

Bob F wrote:
" wrote in message
...
On Dec 13, 10:19 pm, Ernie Willson wrote:
If the water pressure is 80 PSI then it will pressurize any entrapped
air to the same pressure. You do not need to put any air in. Even if you
managed to get all the air out the system pressure would be the water
pressure...80 psi.

EJ in NJ


Ernie-

I installed the new tank and turned the water back on. The system
didn't pressurize itself.
I'm going out to get some kind of pump to add the needed pressure.

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What does that mean? "The system didn't pressurize itself"?

The pressure inside the tank should be identical to the water pressure.