Pressure Switch Square D 40/60

See Shipping Page*   Pressure Switch Square D 40/60 Use: Submersible or Jet Pump 115v or 230v Pressure Settings: Factory Set at 40/60 Can be easily adjusted to 30/50 20/40 or any other setting. Has separate differential adjustment to raise or lower cut out pressure without changing cut in pressure. Important: Air Charge in pressure tank should be set to 2-4 PSI below cut-in pressure of switch to achieve maximum drawdown of tank and avoid short cycling of pump. The higher the pressure setting is set at will lower the overall drawdown capacity of the pressure tank will be. Failure to adjust the air charge properly can cause the following problems: Air Charge too Low: Pump will cycle frequently because the pump will come on before tank is drawn down. Air Charge too High: Tank will draw down completely and pressure will drop off before the pump kicks back on. If your switch is short cycling(rapidly turning on and off) it is pro