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Posted by Ermalina on July 19, 2008, 2:03 pm
AE Todd wrote:
>
> I tried out my new Zoeller non-automatic .3 hp sump pump, and the
> instructions say to drill a 3/16 hole on the discharge pipe about
> equal to the top of the machine. I did this, and not only does it
> reduce the discharge pressure, but it makes an irritating spraying
> sound when the water level drops below that point and the water sprays
> against the side of the pit. Instructions say that this hole is
> required to deal with air buildup when used in conjunction with a one-
> way valve. Does anyone have an opinion on if the hole is really
> needed?
>
> On another note, I didn't know that the the pump I was replacing was .
> 5 hp, and it appears that the lower hp of my new pump results in a
> dramatic drop in pressure. Interestingly, the old pump is actually an
> automatic unit with a float switch, where they just taped up the
> switch in an always-on position so that the on/off function is left to
> the separate switch unit that the pump is plugged into. I didn't
> discover this until I pulled out the old pump and found the float
> switch taped to the discharge pipe.
Of course you don't need REALLY need that hole; the pump manufacturer
was just being perverse -- you know, "goofing" you. Who REALLY needs
manufacturers instructions? Who's REALLY heard of Zoeller, anyway?
Try the following google search:
http://www.google.com/search?hl=en&q=%22sump+pump%22+%22air+lock%22+hole
But, first, be sure to ask someone on alt.home.repair if you REALLY need
to do a web search. I'll bet you don't, REALLY.
BTW, just to keep the manufacturer's joke going, I drilled that little
hole and even check it out to be sure it's open. But, hey, that's just
my sense of humor. LOL.
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