hayton @telus.net
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I installed a used jet pump (Sears 1/2 hp, 115 volt) to pump water from the lake to the cottage, shallow well installation.
When primed the pressure rose steadily until it reached 40 psi at which point it kept running for several minutes then the pressure rose steadily again until shutting off normally at 55psi. We did quite a lot of watering for the garden and lawn sprinkling. In each cycle the rising pressure would stall for some minutes at the 40 psi point until eventually reaching the 55 psi shut off.
Later in the day the pump kept running even though no water was being used until it stopped completely after an estimated 30 minutes. It may have overheated due to being in an unventilated small pump house. It is well insulated for the winter conditions we experience.
What would cause this unusual pattern and how can it be resolved?
When primed the pressure rose steadily until it reached 40 psi at which point it kept running for several minutes then the pressure rose steadily again until shutting off normally at 55psi. We did quite a lot of watering for the garden and lawn sprinkling. In each cycle the rising pressure would stall for some minutes at the 40 psi point until eventually reaching the 55 psi shut off.
Later in the day the pump kept running even though no water was being used until it stopped completely after an estimated 30 minutes. It may have overheated due to being in an unventilated small pump house. It is well insulated for the winter conditions we experience.
What would cause this unusual pattern and how can it be resolved?