Grundfos EZ Boost System (15BMQE)


Old 06-12-16, 12:04 PM
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Grundfos EZ Boost System (15BMQE)

I have a pressure pump to increase the pressure of my house, I am currently using a Grundfos 15BMQE and had it for about 2 years and it was working perfect. The inlet coupling broke so i had it replaced in about a week, but know the pump just hums and does not pump any water or even turn on. I assumed there was debris and the propeller was not spinning. I search online for answers and could not get any results on how to get to the motor and propeller to unlock it, does any one how to take this pump apart? I tried and it has a casing but can't figure out how to open it.

Here is the manual, see page 6

I appreciate if you help.

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Old 06-12-16, 10:52 PM
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Welcome to the forums.

I have to tell you..... I'm a well versed handyman and will attempt to fix almost anything but when it comes to submersible pumps...... it's out to the guys who do it for a living. Your booster is a type of converted submersible well pump. They are not easy to take apart and get back together correctly.

Possibly someone here has taken one of these apart but I doubt it.
Old 06-13-16, 10:54 PM
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BMQE pumps can be reset via EZ Boost controller...I would make sure you've got the controller working properly.
Plus, there is a troubleshooting section in manual....the one that jumped at me was...
'The discharge valve is closed.'

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