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Grinder pump vs. sewage pump for basement

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Grinder pump vs. sewage pump for basement millinghill 11-10-2007
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Posted by on November 10, 2007, 11:42 pm
I'm considering finishing my basement and would need to install a pump
and pit to eject sewage up to house drain level (about 5ft above
basement floor) to dispose of sewage from a planned bathroom and
kitchenette.

I've seen pumps that grind (macerate) sewage, and pumps that claim to
pass solids of 2" to 3". Any suggestions on which is more durable?
Better for residential? All opinions appreciated.

-Richard


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Posted by RBM on November 11, 2007, 8:08 am
For what you're doing you want a macerator. Also be sure the plumber
connects the discharge from the pit after the main house trap, it it's
connected before the trap, it'll blow the water clean out of the trap



> I'm considering finishing my basement and would need to install a pump
> and pit to eject sewage up to house drain level (about 5ft above
> basement floor) to dispose of sewage from a planned bathroom and
> kitchenette.
>
> I've seen pumps that grind (macerate) sewage, and pumps that claim to
> pass solids of 2" to 3". Any suggestions on which is more durable?
> Better for residential? All opinions appreciated.
>
> -Richard
>



Posted by on November 11, 2007, 3:05 pm
> For what you're doing you want a macerator. Also be sure the plumber
> connects the discharge from the pit after the main house trap, it it's
> connected before the trap, it'll blow the water clean out of the trap

What's the purpose of the other type then? I see the non-macerating
sewage pumps at HomeDepot from time to time and wonder why they sell
as a residential item.


Posted by RBM on November 11, 2007, 5:57 pm
They're fine for effluent or gray water






>> For what you're doing you want a macerator. Also be sure the plumber
>> connects the discharge from the pit after the main house trap, it it's
>> connected before the trap, it'll blow the water clean out of the trap
>
> What's the purpose of the other type then? I see the non-macerating
> sewage pumps at HomeDepot from time to time and wonder why they sell
> as a residential item.
>



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