If you are having trouble with your faucet, follow these easy steps to adjust your well water pressure. Decreasing water pressure saves water and reduces your water bill. A dial allows you to adjust the pressure between 45 and 55 psi, while the tank stores extra pressurized water to reduce how often the pump must run. If the tank reading is 2 psi under the cut-in when you measured it manually, but the gauge on the control unit is still low when there’s water in it, adjust the pressure on your control switch. It is determined mainly by the well water pump that was originally installed. For example, at 40/60 the pump will turn on when system pressure reaches 40 psi (pounds per square inch) and turn off when system pressure reaches 60 psi. Locate Air fill valve – Next, you need to find an air fill valve and do the reading with a pressure gauge. This is a quick and easy process with five simple steps of how to adjust your pressure switch which is explained in detail in our Water Pumps … The factory preset is normally 80 psi for the pump and 40 psi for the pressure switch. Risk of explosion. Do not run the pump with a closed discharge longer than needed to read the pressure. Turning it clockwise increases water flow and counterclockwise decreases water flow. You may need to adjust the pressure (PSI) on your 12 volt pump. The second setting tells the pump to shut off after reaching the desired pressure level and the water pressure tank is full. Pressure booster systems may be an expensive investment, often running $900 or more, but it may be the only solution to low municipal pressure. A quick and easy way to increase water pressure is to adjust the pressure-reducing valve, which can be found on the main water-supply pipe; look for a conical-shaped valve next to the water … These settings will run home RO units perfectly and allow a smooth shutoff of the pump when a good, strong tank pressure is reached. Is your FL pump cycling frequently or your pressure switch is failing inside of 12 months? There is great wisdom in leaving the settings alone. On that housing find the Allen screw adjustment screw (also known as a hex-key) The adjustment is done with a very small Allen wrench — 050" to be exact. • Dead-head pressure: This is the pressure the pump produces when not moving water, as with a closed outlet valve. Adjust the pump pressure control switch if your pressure gauge doesn’t match the control unit. Increasing water pressure too high can cause older pipe fittings to loosen, break, or leak. The common settings are either 30/50 or 40/60. 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