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Question

what would cause the sprinkler pump to lose pressure to zero but recover when power is off for 5 seconds

Submitted: 100 days and 21 hours ago.
Category: Home Improvement
Value: $9
Status: CLOSED
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Posted by Rich 100 days and 16 hours ago.

Info Request

Hello .. can you give us a little more detail about what is happening ... what pressure gague are you reading .. ?? does this pump usually keep a constant pressure on the system ??

100 days and 13 hours ago.

Reply

Rich--no gage involved. I can watch sprinkler water pressure go down down down to zero with pump running. full pressure returnes when I stop / start motor for 3to 5seconds and this starts another 5 minute cycle. Clownvegaman

Posted by Rich 100 days and 12 hours ago.

Info Request

OK .. so is this a booster pump for your irrigation .. or is this pump for your house water supply?? if it is the house , then how does the pressure house behave ??

Posted by Rich 100 days and 12 hours ago.

Answer

I am thinking that the pump is either running out of water to pump .. or it is getting air bound .. what is the pipe or whatever that is supplying this pump ?? metal. plastic?? .. does the pump get hot to the touch ??

98 days and 13 hours ago.

Reply

Rich--1 1/2 Hp pump --several years old--pulls water thru 2" pvc pipe with foot valve 3ft. below pump. XXXXXXXXXXXXX...Thank You

Accepted Answer

OK .. is there anyplace that you can run this pump and let the water out thru an open pipe .. just let it go loose .. I think it may be pumping water faster than it is getting supplied .. That is one possibility .. another might be that it is getting air into the supply line and cavitating the pump ..

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Expert: Rich
Pos. Feedback: 98.9 %
Accepts: 
Answered: 8/16/2009

Home Improvement Enthusiast

Over 35 years construction and home maintenance experience

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