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Friday, May 4th 2018, 11:14am

New well pump, but no water

My irrigation system is powered by a well.

A few months ago my pump seized up. It was 1hp. I hadn’t noticed there was a problem until I saw some brown/dry spots in my yard. I replaced it with a 3/4hp that I got a good deal on, hoping it work.

It worked, but the water pressure coming out of the sprinklers was low. The sprinklers seemed to only shoot out 30% of what they should. I changed the timer to run every day to make up for the weaker pressure. I left it like this for a few months, hoping it would be sufficient.

My lawn started dying. I knew I had to replace the weaker pump. I returned the 3/4hp and got a 2hp.

I hook it up. Pump seems to run as intended, but no water is coming up now. Tried priming pump several times, it just pumps out all the water I added to the pump. Doesn’t seem to suck anything from the well.

My questions are:
Is it possible my new 2hp pump is too powerful? Seems silly, but I don’t know.
Could my well be dry? I don’t think so as it seemed to be pumping fine with the 3/4hp pump.
Would a bad check valve fail in the closed position? Clogging the suction line?
There is a union on the suction line. I’ve read this could cause an air leak, but would it leak enough to where the pump couldn’t produce any water at all?

Please help

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