house is 9 years old, has full basement but no toilet or bathroom in basement. ejector pit (located in the center of basement near furnace and hot water tank) fills with water periodically but i do not know where this water comes from. sump pump operates individually in its own pit in the corner of the basement. pump in ejector pit runs constantly as the float is stuck and i suspect a faulty switch. how difficult to replace

Sumps for rain water. Ejector's for sewage.

They are not hard to replace at all. See if there's a cord pugged into the back of another cord

In many cases, the pump (the top plug) plugs into the floatswitch (the bottom or first plug). If that's the case, you just need to replace the float switch which is maybe $40.

If that's no the setup, you're going to have to replace the whole pump. It's also easy once you get the cover off of the hole.

It'll probably be clamped to the pipe with a piece of something flexible in between. Or, the pipe could screw in.

Anyway. remove the old pump and get one about the same size (it's nice if the height of where the pipe connects is about the same the same). I wouldn't get a very big or expensive one for no more water than you have.

Don't know where your little bit of water coming from (no washer down there?). If you have a humidifer on your furnace that could be it. Since that's just plain water anyway – it could be sent to the sump pump instead…

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