Re: water heater expansion tanks
Posted by hj on December 06, 2001 at 07:46:23:
In response to Re: water heater expansion tanks
The presssure is adequate. In your case, a larger one probably was not necessary, but there is no problem with oversizing it.

: my little expansion tank went bad on my hot water heater. i got a new larger one today at Lowe's. anyway, it says it has a precharge pressure of 40psi, and max pressure is 150psi.
: can i just put it on as-is, or do i have to first pump it to a certain pressure?
: also, is there any advantage to me having gotten a larger one, or would a little one have done the job just fine? i have a 40 gallon water heater.

: thanks,
: mark

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