Sewage ejector discharge 1.5" to 2" conversion

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17tholtz

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So I bought a new Zoeller sewage ejector pump that has a 2 inch output as well as a 2" Zoeller check valve. However the existing system was done using 1.5" pvc. I should have checked this before i bought the new pump.

So I am wondering, do I need to get a different pump?

Or can i put a 1.5" to 2" adaptor between the existing 1.5" ball valve and my new 2" check valve, then run 2" pvc to the new ejector pump?

I probably have 7 or 8 feet of lift required of this pump.

Also are there any possible issues with building codes with this setup (McHenry County, IL)?


Thanks for any help.
 

Cacher_Chick

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Every sewage ejector I have ever worked on had a 2" discharge. Some of the macerating pumps have 1.5" as they are grinding the solids prior to discharge.
 

17tholtz

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Every sewage ejector I have ever worked on had a 2" discharge. Some of the macerating pumps have 1.5" as they are grinding the solids prior to discharge.

So I have realized a few things, long story short, my father who is helping me troubleshoot this refered to this as an ejector pit and I believe that I jumped to the conclusion that it was a sewage ejector pit and order a sewage pump with a 2" discharge.

I have cleaned out the pit with little or no foul smell, and pulled out what turns out to be an effluent pump with a 1.5" discharge. Also upon flushing toilets, I don't believe any sewage is running into it.

So I am left with my $300 Zoeller sewage pump. Install it with a 2" adaptor? Or attempt to return it already opened?

Installing it seems as easy as anything but I maybe wasted a bit of money buying a sewage pump instead of an effluent pump.

What do you think?
 

Cacher_Chick

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I would try to return it, as you need a pump that is sized for the basin and potential inflow, and what you have will very likely short-cycle itself to death quite quickly compared to the proper pump..
 

17tholtz

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I decided to follow your advice to return the sewage pump and get the proper pump. Thanks for the help.
 
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