On Aug 18, 6:49 pm, Jim Adney wrote:
On Mon, 18 Aug 2008 15:25:51 -0700 (PDT) Matthew Karam


It wouldn't have to come up to 1 atm; it just has to be enough
liters/sec to get the rotary pump misting.

It's pretty unusual for those relief valves to fail. Who made this
one?

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Jim Adney
Madison, WI 53711 USA
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I've discovered why it failed.
This was a valve that I pulled from our "random extra parts" closet
HPS model 145-0040K-24V

I should have pulled the spec sheet on it long ago... it required
24VAC and we were feeding it 24V DC
I'm surprised it worked fine for the first week.....