Priming a Sewage Ejector Pump?


Old 01-26-02, 12:23 PM
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Priming a Sewage Ejector Pump?

For my basement bathroom, I have a Hydromatic SP40 submersible sewage ejector pump. I am in the process of putting a new diaphragm switch on it. However, to remove the cover to the tank, I "broke" the vacuum to the pump out pipe. I have now hooked it back together. But, the pump runs, but it doesn't lift the water up. Does this pump need to be primed? If so, how would I do this?
Thanks for any info.
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Old 01-26-02, 09:11 PM
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Sump pumps I have ever worked on, never required any priming. They should pump on start up.
Old 01-27-02, 07:02 PM
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Priming a Sewage Ejector Pump

There should be a small hole (1/8", or so) in the piping between the pump housing and the check valve. This hole will allow air to escape so the pump will not become air-locked (the probable reason your pump is not working). Make sure this hole is clear, or if you replace the pipe you may need to redrill the hole.
Best regards,
Ron Peeks
R.L. Peeks Pump Sales

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