Submersible Well Pump Check Valve Problem

Qd boxes are designed for use with 3 wire single phase submersible motors from.

Submersible well pump check valve problem.

Pitless was replaced 1 1 2 years ago and no wet areas were observed around the well head. He then tested the well lines by pressurizing with air and noted no leaks. Pull pump and correct problem. Run new installation until the water clears.

Having a plumber look over all your well systems and lines will alert you to any potential problems and provide you with the insights and. The check valve or foot valve prevents the well pressure tank from sending water back down into the well after it has built up with water pressure. Check setting on pressure switch and examine for defects. Testing a franklin electric qd quick disconnect box.

In a submersible pump situation it is technically called a check valve because it sits immediately above the pump rather than below but it is commonly referred to as a foot valve and works the same way. It should be properly sized to meet the pump s flow and pressure conditions. I have outlined some troubleshooting steps below to help. Motor starts too often.

If your pump cycles on and off when water is running see resource article on short cycling this is not a foot valve issue. He checked out the pressure tank and determined everything looked and. It could be a broken water line from the well to the house usually you ll have a wet area between the well head and the house a bad check valve just above the submersible pump at the bottom of the well a bad connector leaving the well casing or even a broken water line inside the well casing. He pulled the pump but everything was fine.

This on and off cycle may occur every few minutes and essentially allow the well pump to run practically 24 hours a day causing a high power bill. The plumber suspected the check valve at the submersible pump. Swing type check valves should never be used in a submersible well pump installation. Troubleshooting submersible well pumps 101.

Then you can need to check for worn and old parts and last but not least check the motor shaft to be sure it is not loose. The check valves pressure rating must exceed the maximum pressure of the pump. If the 100 150 expense doesn t seem justified when your water is flowing just fine from your well to your home think of the time you are saving from troubleshooting well pump problems and the savings of the average well pump repairs of over 700. These are all things to look for when troubleshooting your submersible well pump.

Swing type check valves have a slower reaction time and can cause water hammer. Damaged or defective check valve will not hold pressure. Defective cable or motor. Another thing you could be checking is the drop pipe to see if it is jamming the check valve of the submersible pump.

Check valve stuck open. If you can fix them yourself you can save some money. Reset limit or replace switch. Troubleshooting inside the box is made simple by the control components automatically disconnecting from the system when the lid is removed.

Spring loaded check valves should be used as they close quickly and thus help prevent water hammer. Replace the check valve and the problem is solved. A common cause is a failed check valve. If the valve fails water streams back down the well and the pressure switch turns the pump on again.