I have a one hp projet pump running the water on my house and a
challenger series bladder tank. As soon as I turn on any water the pump
turns on and runs until I turn off the water. Both the pump and bladder
tank are only a few years old. Can anyone tell me any ideas why the
pump turns on and runs like this? I did check the bladder tank and the
psi is 28. This two psi's below the 30 it is rated for, which every
where i have read is where it should be.

The bladder in the tank is shot, or it has lost air some other
way. The pressure you read is simply the water pressure now.
I'm about 99% sure you need to either repressurize the tank or
get a new one. Someone will likely be along shortly to tell you
how to tell which one it is; I'm not sure so I'll avoid the
possibility of misinforming you g.

Pop

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"duzes" wrote in message
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I have a one hp projet pump running the water on my house and a
challenger series bladder tank. As soon as I turn on any water
the pump
turns on and runs until I turn off the water. Both the pump and
bladder
tank are only a few years old. Can anyone tell me any ideas why
the
pump turns on and runs like this? I did check the bladder tank
and the
psi is 28. This two psi's below the 30 it is rated for, which
every
where i have read is where it should be.