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Re: Actual 120 PSI for Storage
Quote:
Originally Posted by Sperkowsky
We also have the same issue. Ours usually says 112 PSI.
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Most of the ones I have seen turn off between 115 & 112 indicated. I suspect that Nason adjusts them to turn off before 115. Your pressure gauge is almost certainly a class B which are accurate to 2% of span in the middle. So assuming a 160 psi gauge that 112 +/- 3.2 psi.
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If you don't know what you should hook up then you should read a data sheet
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