Switches come in three pressure ranges: 20 to 40, 30 to 50 and 40 to 60 psi. The Pressure Switch tells the pump that delivers water to your home when to turn on and off. This switch is to be used with submersible well or jet pumps. 30/50 Low Pressure Switch for Well Pumps This pressure switch signals the pump to This pressure switch signals the pump to start when the water system drops to 30 psi (factory set) and stops at 50 psi (factory set). The usual range is 40-60 PSI. The pump is working but the water pressure is weak Mind you, these symptoms are not unique to pressure switch problems. To check if your water pump itself is working, you could connect the 2 wires that are connected to the switch, with each other, so that you close the electrical circuit. Also buy a new pressure gauge (less than $10) and a 1/4-in. The switch is preset with both the cut-on and cut-off pressure. It … x 6-in. It might also be that your pressure switch unit is just defect. I tried the lever again and it engaged the contacts but then quickly disengaged. Shop water pump accessories and a variety of plumbing products online at Lowes.com. Pressure Pump, Pressure Switch Repair: Introduction I have a number of rain water tanks which I use to water my vegetable garden during the summer. Square D Pumptrol 40-60 PSI Well Pump Water Pressure Switch with Low Pressure Cut-Off - Box Packaging (46) Model# FSG2J24M4BP $ 22 99. Water pressure was around 10 PSI. The tank was empty and the gauge was basically down to 0 PSI. Name: water pump pressure switch wiring diagram – Wiring Diagram for Water Pump Pressure Switch Best Funky Pressure Switch Wiring Schematics Image Collection Simple; File Type: JPG; Source: ipphil.com; Size: 448.46 KB; Dimension: 3933 x 2185; Variety of water pump pressure switch wiring diagram. galvanized nipple. Find Pressure switch water pump accessories at Lowe's today. Square D Pumptrol 60-80 PSI Air Compressor or Well Pump Pressure Switch with higher hp ratings (13) Model# 9013GHG2J25 $ 91 54. The starting and stopping of a well water pump is typically controlled by a pressure switch similar to the one shown below. Open contacts located within the switch, closes when pressure drops. The change in pressure that activates the switch is provided via the water from the well. Pressure switches rely on water pressure to do all the work. I have a cheap water pump that has been working faithfully for the last 4 years but this year, when I turned it on for the first time, I go… When the pressure in the system drops to a preset low setting the pump will turn on (commonly known as the cut-on pressure). The cut-on pressure is the low pressure that starts the pump and the cut-off pressure is the high pressure that turns off the pump. If not, the water pump might be defect. Worked for about a minute and cut off. 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