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bleeding air

Asked Jun 8, 2012, 09:40 PM — 11 Answers
Ip r have a jet pump that I use to pump water out of river for watering flowers. Everytime I turn the pump on I have to bleed air out of pump.

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11 Answers
speedball1's Avatar
speedball1 Posts: 27,686, Reputation: 9546
Senior Plumbing Expert
  
#2

Jun 9, 2012, 06:41 AM


Does the flow diminish and get less or stop when you water for a long time? Could you be drawing the water table down until the pump sucks air? Back to you, Tom
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jlisenbe's Avatar
jlisenbe Posts: 2,356, Reputation: 617
Well & Pump Expert
  
#3

Jun 9, 2012, 06:57 AM
SQ, do you mean you are having to reprime the pump? If so, then check your footvalve in the river to see if it is leaking. It should hold the pump and pipe full of water for weeks at a time so that when you turn the pump back on, it pumps without being primed again.
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sqdog1's Avatar
sqdog1 Posts: 17, Reputation: 1
New Member
  
#4

Jun 9, 2012, 08:12 AM
I have to open the primer to let the air out. After I do this it will pump forever. I'm using a flex plastic hose to pump out of the river. Thanx
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ma0641's Avatar
ma0641 Posts: 6,245, Reputation: 2494
Plumbing Expert
  
#5

Jun 9, 2012, 09:19 AM
Sounds like a leaking foot valve. Water pulls air through the sprinklers and drains back into the river. May have dirt in it.
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sqdog1's Avatar
sqdog1 Posts: 17, Reputation: 1
New Member
  
#6

Jun 9, 2012, 09:27 AM
Quote:
Originally Posted by ma0641 View Post
Sounds like a leaking foot valve. Water pulls air through the sprinklers and drains back into the river. May have dirt in it.
When I remove the primer nut it is full of water. But it wont
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jlisenbe's Avatar
jlisenbe Posts: 2,356, Reputation: 617
Well & Pump Expert
  
#7

Jun 9, 2012, 10:02 AM
Check that footvalve. Or, you could put a checkvalve a few feet down between the pump and the footvalve.
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sqdog1's Avatar
sqdog1 Posts: 17, Reputation: 1
New Member
  
#8

Jun 9, 2012, 10:56 AM
I have a check valve, but dont have a foot valve
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jlisenbe's Avatar
jlisenbe Posts: 2,356, Reputation: 617
Well & Pump Expert
  
#9

Jun 9, 2012, 06:02 PM
CV is probably leaking. Put on a footvalve, something like this.

Amazon.com: Flotec TC2501-P2 Well Pump Foot Valve: Home Improvement
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sqdog1's Avatar
sqdog1 Posts: 17, Reputation: 1
New Member
  
#10

Jun 9, 2012, 09:14 PM
Thanx. I'll try that.
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