Thanks, Randall.
I've always seen a spray from the unloaders I've noticed. OK, maybe
it was just a cloud. I figured it was from the hot air cooling from
the sudden expansion and the humidity condensing. Not a lot of water,
but that's what I read in the original post. (Very little water.)
Donald.
> From: Randall Young <ryoung@NAVCOMTECH.COM>
> Date: Tue, 26 Feb 2002 16:57:48 -0800
>
>
> > That "Every time the compressor shuts off, its blows off some air and
> > sprays water on the tank" thingy is not really an auto drain, it's
> > called an unloader.
>
> Mmmm, no. An unloader only vents from the line between the compressor and
> the check valve into the tank. There's no water there to spray ...
>
> Some automatic drain valves do indeed look for that drop in pressure to
> trigger the tank drain. Personally, I just plumbed a ball valve out to
> where I can move it with my toe, whenever I take a notion to drain the tank.
> But then, it's pretty arid around here, so I don't have to do it very often.
>
> Randall
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