Sump Pump Air Bleed Hole


  #1  
Old 01-31-13, 08:05 PM
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Sump Pump Air Bleed Hole

Hi People,

Need some helps on Sump Pump Air Bleed Hole.

I just installed Basement Watchdog Sump pump. I got below from the manual.

It said that "When a check valve is used, a 1/8 in. (3.2mm) air bleed hole must be drilled in the PVC pipe above the pump. Drill the hole at a 45 angle
toward the bottom of the sump to avoid splashing water outside the sump
pit.
"
Name:  Sump Pump 45 angle Info.jpg
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So my question is which angle I should drill the hole; opt1 or opt2?

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Thank you for helps.
 
  #2  
Old 01-31-13, 08:11 PM
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Option two. You want the water from this vent to go back in the sump. Ideally you would add an 1/8 inch pipe fitting and run copper tubing back to the sump.
 
  #3  
Old 01-31-13, 08:29 PM
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Thank you Furd. That is what I thought. If I go Opt1, it will have water jet comes out from the hole when pumping water.

I like your idea to have 1/8" pipe. But how? Can you post a picture please?

Thanks.
 
  #4  
Old 02-01-13, 08:59 PM
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No picture but it is easier than it sounds. Drill the hole with a 5/16 inch bit and tap it with an 1/8 inch pipe tap. Don't run the tap all the way in so as to have the fitting "jam up" sooner. Get a brass 90 degree tubing fitting; 1/8 inch on one side and 1/4 inch tubing on the other. Screw the fitting into the tapped hole and point the tubing connection down. Add some tubing and you're done.

I don't like an 1/8 inch vent as it is too easily plugged by debris. !/4 inch is not too large. As long as the vent hole is below the sump cover you don't really need the tubing going down.
 
 

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