Well Pump Check Valve Placement

With no check valve that discharges to a floor drain.

Well pump check valve placement.

The closer the check to the pump the less water that will reverse flow drain out when the pump shuts off. The house was pre existing but i really question the ability of the pump to hold the pressure in let alone to not have any small leaks in the piping all the way up from the well in the ground. Many well pumps have built in check valves. Than neccesary and the pump does not discharge from the well.

One which i believe was not mentioned was the 3 16 hole within 6 of the discharge to prevent air lock during pump cycling. See diagram properly located and operating check valves hold water pressure in the system when the pump. Check valves are probably the most misunderstood valves ever invented. Buy a check valve.

For sewage applications a ball check valve is popular to use as they stand up better to the tough conditions. There is risk of water hammer in the upper check valve if the lower check valve fails. A ball check valve is much less likely to be effected by these. Correct placement of sump pump check value.

Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. I will move the valve a bit. On a submersible well pump installation if your well water pump does not have a built in check valve many submersible pumps do have a check valve a line check valve should be installed in the discharge pipe within 25 feet of the pump and below the drawdown level of the water inside the well. Another check valve may be installed in tile horizontal piping at tile surface or just below the well seal or pitless adapter as required by local codes.

Sizing for the application not the line size. Hello i ve lived in my home for about 4 5 years and have always wondered if the random cycling of my well pump could be do to me not having a check valve between the pump tank and the well pump. What they are how they work and why they must. Even if a pump does have a built in check valve we recommend that a check valve be installed in the discharge line within 25 feet of the pump and below the draw down level of the water supply.

In a sewage system you are generally dealing with solid and semi solid liquids. With a swing check valve these solids can make this function not work well over time.