bad foot valve


Old 11-02-08, 02:05 AM
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bad foot valve

I have a simple system, foot valve in a cistern to a jet pump and bladder tank. Has worked well for many years. In the middle of the night the pump will kick on even though no water has been drawn (this may occur several times a night). The bladder tank is at the correct pressure and I've looked everywhere for leaks. It seems to me that the foot valve may be leaking. I would need to completely empty the cistern to replace the foot valve. If I add a check valve in my intake line between the cistern and the pump to prevent the back flow of water to the cistern do you think it will cure my problem until i can pump down the cistern to replace the foot valve?
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Old 11-02-08, 09:33 AM
Join Date: Nov 2007
Location: Upstate NY
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Should work fine. Be sure to use one designed for a well and not one for a sump pump. I am assuming that you are using a single pipe system.
Old 11-02-08, 06:50 PM
Join Date: Nov 2008
Location: Texas
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Why cant the pipe with the foot valve on it be pulled up?

If it runs from the pump and down into the water, You could put a union at the top of the pipe just before it go's down to the water.
That way it could be pulled up to fix the foot valve.

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