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Author:
Johninshirley (Canada)
Hi folks,
I am wondering if anyone is aware of where I could get a self actuated anti-drain valve I could have installed on my well line coming into the house?
reason: our well head is on top of our driveway which drops ~30' to our house. The line then runs through the house into a cistern holding tank which is in our heated crawlspace. Unfortunately, when the cistern float switch activates on/off to the well pump, the water drains out from the well head when well pump goes off. Water and air noise is a constant issue. The check valve at the well is fine. The solution, I understand is to install some type of anti drain valve that would stop the drain out when the well pump turns off.
Anyone have this issue? We figure that the ~30' elevation from top of our road causes the water to drain.
I am surely not the 1st to have this issue.
comments appreciated
John
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Author:
hj (AZ)
You would need a float valve on the end of the pipe to the cistern to shut the flow off, and a pressure switch in the pump line to shut the pump off when the float closes and pressurizes the line. You might also try a check valve at the outlet by the tank. It should prevent air from entering the pipe and thus not allow the water to drain out.
Edited 1 times.
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Author:
Johninshirley (Canada)
problem solved. 2 things found: 1) check valve with a break pressure of 30PSI at bottom of well line to Cistern to stop line from draining and air coming in. 2) found splitting line in cistern pump hose that was too low PSI spec that started taking in air and at one point, kept pump running non-stop. I picked this up quickly since my office is above crawl space and I could hear the pump running non stop. Now I hear nothing but the cistern pump coming on briefly when water is drawn. yeh! thanks for the info to get me thinking differently.
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