Well short cycling after repriming.

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SomeAnonGuy

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So we had a storm roll through the other day that knocked out power for about four hours. Unbeknownst to me once power was restored, the well had lost it's prime and I ran the tank dry.

Ever since I reprimed it it's been short cycling. We're talking "On for one second, off for one second" and I just noticed this today.

Did I incorrectly prime the well or did something happen to get off kilter when the tank went empty and the well lost it's prime?
 

Reach4

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You have a problem with your pressure tank, or the path between the pressure tank and the pressure switch is clogged.
 

Justwater

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while there may be a tank issue, doesnt explain the loss of prime. sounds like a bad check valve or foot valve.
 

DonL

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while there may be a tank issue, doesnt explain the loss of prime. sounds like a bad check valve or foot valve.

I agree, That could be the case, unless water kept being used during the power outage.

What kind of pump, tank do you have ?
 

SomeAnonGuy

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I'm not quite sure of the combination. All I know it that it's an above ground pump and the tank is fairly old and has a schrader valve on it. I don't -think- it's a bladder type. From what I read metal tanks generally aren't bladder types.

And the reason why it lost prime was because I had a sink dripping overnight and the power outage happened while I was asleep. My bad.
 

Reach4

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Most pressure tanks today are steel and have a Schrader valve on the top. Before tossing that, you should kill the pump again and drain the water pressure by opening a faucet. Measure the air pressure. The precharge air pressure should be about 4 PSI below the point that your jet pump turns back on. If it will not maintain that air pressure or if water comes out of the valve, replace the tank.

The better pressure tanks have a diaphragm rather than a bladder, but people often call them bladder tanks anyway.
 

SomeAnonGuy

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Most pressure tanks today are steel and have a Schrader valve on the top. Before tossing that, you should kill the pump again and drain the water pressure by opening a faucet. Measure the air pressure. The precharge air pressure should be about 4 PSI below the point that your jet pump turns back on. If it will not maintain that air pressure or if water comes out of the valve, replace the tank.

The better pressure tanks have a diaphragm rather than a bladder, but people often call them bladder tanks anyway.

Thanks! I'll do this in the morning.
 
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