Originally Posted by Porky
It's a suction leak somewhere between the foot valve and the pump. I suspect it's where it came apart sometime back.
Willowgirl suggested using Teflon Thread Tape and that's fine. Personally we always preferred #3 Permitex on suction lines.
A good way to locate a leak in a suction line is while the pump is running and pumping is to put shaving cream around any suspected leak above the water line in the well and the pump intake (suction). If there's a leak you can see it because it will suck the shaving cream into the leak and you can see it at the leak as it is sucked in because it leaves an indentation in the foam as it is sucked in.
A side note to Willowgirl:
People all over the world have different names for the same thing! A suction line is any single line from the water supply (well) to the pump inlet. If it's a pump with 2 lines to the well, the larger line is considered the suction line and the smaller line is considered the pressure line.
Porky Cutter, MGWC
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Hi Porky Cutter. Thank you for your explanation. I went your info on link.
I can see you have many years experience. I wasn't sure myself if you had meant there was a separate line called the suction line or if you were talking about the main water line.
I see your info says you have monthly stories which i'm interested to read. I have 3 place's that have wells. I use piston pumps, but recently decided to use a jet put for one of the location which seems to work ok with it. One of my water wells is so far from my house I have a second dry well half way between house and water well to help pull the water up the hill and to the pump.