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Discussion Starter · #21 ·
I replaced the check valve. It seems to have helped with the thumping but it didn't stop the waterline from losing pressure and causing the pump to start.

The dye in the toilet tank didn't migrate to the bowl last night. I ran the pump up to 40 psi and turned it off. It was zero psi this morning. I'm going to check the water lines one more time and if I don't see a leak I'll replace the pressure tank.
 
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Discussion Starter · #22 ·
When I put the line back together I evidently didn't tighten the coupler enough and it's been dripping. I'm cautious when working around brass or case iron. I tightened it some more so we'll see if that stops the loss in pressure.

No matter what, I'm afraid that I'll have to dig out the top of the well so I can clean the screen since there is so much sediment coming out of the tap.
 

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Discussion Starter · #23 ·
I've decided to replace the pressure tank. I tested it yesterday and the pressure in the pressure tank dropped to zero when I shut the pump off and drained the water pressure.

The faucet still thumps so we'll see if replacing the tank gets rid of that symptom too.
 

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Drain all the lines thoroughly to get air in the water hammer preventer. (There is probably a better name, but I haven’t had enough coffee.)
 

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Drain all the lines thoroughly to get air in the water hammer preventer. (There is probably a better name, but I haven’t had enough coffee.)
Alice is correct here. Drain the system to allow air to replace the water in the anti hammer device. They do get flooded every so often. Can also make your own by having a vertical stand pipe on the water line capped at the end.
 

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Discussion Starter · #26 ·
I replaced the pressure tank today and that seems to have stopped the self starts. The thumps are much less and may be ending too.
 

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I would think your toilet seat is leaking , they get old ,dry out .
Turn your water off from behind the tank at night , mark the top of the water in the tank .
In the morning check to see if the water dropped in the toilet tank .
They sell replacement parts .
 

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Discussion Starter · #28 ·
I have done that. I've also put dye in the tank and I've pour water into the bowl to bring it to near empty and the bowl didn't refill overnight.

It doesn't seem to start the pump by itself any more so it must have been a pressure issue not an actual water volume issue. The faucet still thumps but not nearly as much. I think that the silt in the well might have something to do with the sealing of the faucet and allows the water to divert when it shouldn't.
 

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Discussion Starter · #29 ·
It was staring me in the face for months but I finally saw the obvious. I had the float adjusted to close to the maximum depth. I've run the pump up to pressure and turned off the pump and shut the valve on the toilet tank for several nights. The pressure didn't drop all night.

I did change the pressure tank and the check valve but that didn't stop the pump starting during the night.

What I don't understand is why the dye test didn't show any bleeding through into the bowl.

The kitchen faucet still thumps but I am pretty sure the faucet is the cause. I've rebuilt it twice but it still thumps.
 
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