If your water well system is equipped with a low pressure cut off switch you will need to reset it if the water pressure drops below a desired point.
Low pressure cut off switch water.
Square d pumptrol pressure switches are manufactured by schneider electric.
Switch remains closed at 5 psi or more when pressure drops below 5 psi switch will open and cut off the power to the pump.
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The drop in pressure may occur if you attempt to use a greater volume of water than either the well or well pump can produce.
Low pressure switch lps installs on the inlet side of the booster pump and will shut off the pump if the feed water is interrupted.
In this video tutorial we explain how these switches work and the pros and cons in using them with your pump installation.
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If system pressure is lost for any reason a low water condition for example the automatic lower pressure water cut off feature will open the contacts turning off the pump.
Square d fsg2j21m4cp 30 50 psi standard pressure switch with low pressure cutoff for use with water supply systems 1 4 18 npsf internal thread opening turns on at 30 psi and off at 50 psi for use with submersible well pumps or as a replacement switch for electrically driven water pumps square d fsg2j21m4cp 30 50 psi.
The low water pressure switch attachment drops to turn off the pump when it loses its prime and the pressure drops to a specific low pressure cut off point.
The low pressure shut off switches are available with low pressure cut off point of approximately 8 to 10 lbs.
There are many benefits to adding a low pressure cut off pressure switch to your cistern or well pump set up.
Low pressure cut off pressure switches turn the pumps off if the water pressure dips below 15 psi.