Well Water Pressure Switch Settings

If the cut in setting is 40 then adjust the pressure tank to 38 or 36.

Well water pressure switch settings.

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. Over 34 million americans rely on a well for access to water. Pressure switch limits are different on different types of pressure tanks such as 20 to 40 lbs psi 30 to 50 lbs. A 20 psi differential is standard and recommended.

Normally this switch is pre set to the correct pressure but you can modify it without any special tools or materials using just plumbers pliers. It makes use of two pressure systems to control the water flow and adjusting the water pressure involves adjusting these systems. The well pump water pressure switch controls the rate at which the pump will turn on and off. A shallow well jet pump s pressure switch regulates the amount time the pump motor runs.

Below we re taking a look at how a pressure switch functions simple troubleshooting tips and nine common well pump pressure switch problems. The pressure switch tells the pump that delivers water to your home when to turn on and off. Add or release air until the pressure tank s setting is 2 to 4 psi below the cut in setting for the pressure switch. The lower number is the turn on point for the tank to bring in more water and the higher number shuts the pump off.

A well s pressure switch turns on the jet pump once the water pressure in the storage tank s bladder drops below a set low limit and turns off the jet pump once the water pressure breaks the high limit setting. The switch is preset with both the cut on and cut off pressure. Psi and 40 to 60 lbs psi. How to adjust the pump pressure control switch using the square d pumptrol as an example.

When the pressure in the system drops to a preset low setting the pump will turn on commonly known as the cut on pressure. You can adjust the differential by turning the short adjusting nut on the pressure switch clockwise to increase or counter clockwise to decrease the differential it s seldom required and i suggest you not tamper with this setting unless you know what. If you have a private well water system your pressure switch is an integral component. In brief tutorials we explain how to set and adjust a typical pump pressure control switch.

We explain which adjustment nuts to turn and in which direction to change pump cut in pressure or cut our pressure settings. The starting and stopping of a well water pump is typically controlled by a pressure switch similar to the one shown below. Locate the pressure switch limits which are located inside the pressure switch cover. If the cut on cut off is 40 60 psi is what the factory setting is on the pressure switch.

Starting here with advice about correct problem diagnosis of water pressure problems this article series describes how to adjust building water pressure by setting the water pump cut in and cut out pressure on the well water pump pressure control switch. How a well pump pressure switch works.