I'm working with an old system like this at a friends house :
http://www.inspect-ny.com/water/JetPumpPressureSw010DJF.jpg
All was fine until the pump began to run continuesly, The switch was replaced and we pulled the steel plug out of the motor itself and cleaned it out. Pressure throughout is fine. However, even with the new switch the pump runs all the time, sometimes. If you run water for 3-10 seconds and turn it off, the pump comes on and turns off properly. If you flush the toilet, or leave the sink open for 30 seconds or better the pump locks on and will not shut off unless you force the switch off, then it turns off and stays off, and goes back to working properly for the 3-10 second usage.
My theory is that tiny copper line is getting plugged up, so even tho the pressure is there, that line ever tells the switch it is. Is a last ditch effort to cram something through that line a good idea before a new pump is purchased? I don't feel the air tank is the problem, its holding air and pressure in the house is completely normal.
http://www.inspect-ny.com/water/JetPumpPressureSw010DJF.jpg
All was fine until the pump began to run continuesly, The switch was replaced and we pulled the steel plug out of the motor itself and cleaned it out. Pressure throughout is fine. However, even with the new switch the pump runs all the time, sometimes. If you run water for 3-10 seconds and turn it off, the pump comes on and turns off properly. If you flush the toilet, or leave the sink open for 30 seconds or better the pump locks on and will not shut off unless you force the switch off, then it turns off and stays off, and goes back to working properly for the 3-10 second usage.
My theory is that tiny copper line is getting plugged up, so even tho the pressure is there, that line ever tells the switch it is. Is a last ditch effort to cram something through that line a good idea before a new pump is purchased? I don't feel the air tank is the problem, its holding air and pressure in the house is completely normal.