Well Water Pressure Switch Settings

The starting and stopping of a well water pump is typically controlled by a pressure switch similar to the one shown below.

Well water pressure switch settings. 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. 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 lower number is the turn on point for the tank to bring in more water and the higher number shuts the pump off. We explain which adjustment nuts to turn and in which direction to change pump cut in pressure or cut our pressure settings.

If the cut on cut off is 40 60 psi is what the factory setting is on the pressure switch. This article 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. 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. The well pump water pressure switch controls the rate at which the pump will turn on and off.

Locate the pressure switch limits which are located inside the pressure switch cover. Over 34 million americans rely on a well for access to water. In brief tutorials we explain how to set and adjust a typical pump pressure control switch. Well owners know the importance of identifying and resolving issues themselves when possible.

Psi and 40 to 60 lbs psi. If the cut in setting is 40 then adjust the pressure tank to 38 or 36. A shallow well jet pump s pressure switch regulates the amount time the pump motor runs. When the pressure in the system drops to a preset low setting the pump will turn on commonly known as the cut on pressure.

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. The switch is preset with both the cut on and cut off pressure. Below we re taking a look at how a pressure switch functions simple troubleshooting tips and nine common well pump pressure switch problems. How a well pump pressure switch works.

A 20 psi differential is standard and recommended. 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. Add or release air until the pressure tank s setting is 2 to 4 psi below the cut in setting for the pressure switch. It makes use of two pressure systems to control the water flow and adjusting the water pressure involves adjusting these systems.

How to adjust the pump pressure control switch using the square d pumptrol as an example. How to set the pump pressure control switch.