shallow well pump loses prime


  #1  
Old 05-14-08, 12:25 PM
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Unhappy shallow well pump loses prime

i have a mcdonald jet pump 8110,hooked to two shallow wells about 10 inches apart .the pump loses prime after about a week. have redone the sunction lines . i have pressure check sunction lines ,no leak. have had pump reworked and still have problem have a bladder tank hooked to it.bladder is ok. the sprinkler system uses about 12 gallons per minute per zone with 7 zones, on a timer with separate control valves. once i prime again ,works for a week or more .could the problem be that the wells are too close. system is 6 years old and worked fine till a year ago. the house is in florida
 
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Old 05-14-08, 05:49 PM
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Where is the checkvalve located? Is it between the pump and the wells?
Ron
 
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Old 05-22-08, 12:51 PM
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mcdonald pump

check valve is between well and pump
 
 

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