How to change a water pump pressure switch. This water pressure switch is what turns on and turns off a water pump based on the outlet water pressure. The pressure is normally maintained within a twenty PSI range and the range varies with the pressure switch. Normally they are available in 20 to 40 PSI, 30 to 50 PSI and 40 to 60 PSI.
Just about all name brand pumps and many off-brand pumps have the Square-D PumpTrol pressure switch. My 15 year-old Gould pump has one on it. The problem is, they are now manufactured overseas. Currently they are made in Mexico. I have seen an epidemic of failures over the last two years requiring repair, fixing or replacement of the pressure switch. Another problem is that the Square-D is about the only game in town. The other pump pressure switches options are truly junk, whereas the Square-D is just sometimes junk.
This video shows how easy it is to change and replace the water pump pressure switch and provides a few do it yourself tips and recommendations.
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